PROFESSIONAL SERVICES AGREEMENT/CLEARWATER GAS SYSTEM
, .
---"
I
I
.
,"
PROFESSIONAL SERVICES AGREEMENT
THIS AGREEMENT is made and entered into as of the ~a~ day of
~, 1994, by and between THE CITY OF CLEARWATER, FLORIDA,
d/b/a CLEARWATER GAS SYSTEM, a Florida municipal corporation
( II CGS II ), and ENVIRONMENTAL CONSULTING & TECHNOLOGY, INC., 5405
Cypress Center Drive,
Suite 200,
Tampa,
Florida
33609
( II Consul tant II ) .
WIT N E SSE T H:
WHEREAS, CGS, owns a parcel of real property located at 400
North Myrtle Avenue, Clearwater, Pinellas County, Florida ("Site"),
which is the location of a former manufactured gas plant ("MGP")
which operated from the 1920s to approximately 1960;
WHEREAS, CGS desires to contract with qualified experts to
fully delineate the environmental impacts associated with the
former operation of the MGP at the Site;
WHEREAS,
Consultant represents that it possesses the
knowledge, ability, professional skills and qualifications to
perform the services needed by CGS and covenants to carry out the
,
terms of this Agreement in an expeditious, economical, and
professional manner.
NOW, THEREFORE, CGS and the Consultant agree as follows:
ARTICLE I - TERM OF AGREEMENT
This Agreement shall remain in effect for one (1) year from
the effective date. At the end of this year the Agreement may be
ct! /
~ :1i~~:~:r~~~iam
~
/~
" , 2'/
~", --' ...., .
f'li IV"
J '-
/-
( ~j
"\
~ >
,"
1
I
.
,"
extended at the current rates for a period of time upon mutual
agreement of the parties.
ARTICLE II - SCOPE OF WORK
Consultant shall perform professional services as described in
Exhibit "A" which is incorporated herein.
ARTICLE III - COMPENSATION
1. Fees payable to Consultant for the professional services
described in Exhibit "A" shall be equal to the number of hours
actually expended directly on the project by individuals times the
hourly rate for the individuals, plus reimbursable expenses as
defined in Article III, Paragraph 2. The hourly rates in effect
with Consultant are shown in Exhibit "B" attached hereto and shall
remain in effect for one (1) year from the effective date.
The rates include all direct and indirect costs except
reimbursable expenses as defined in Article III, Paragraph 2.
Indirect costs include such items as overhead, profit, and such
statutory and customary fringe benefits as social security
contributions, sick leave, unemployment, excise and payroll taxes,
workers' compensation, health and retirement benefits, bonuses,
annual leave, and holiday pay.
2. Reimbursable expenses shall mean the actual expenses of
Consul tant in the administration of this Agreement, including
transportation and subsistence of principals and employees,
subcontractors' fees, reproduction of reports and other project-
related materials, expendable supplies directly used on the
March 1, 1994 9.05am
RDN.Clearwater:PSA
2
I
I
.
"
project, equipment and laboratory use fees, and similar project-
related items, plus an administrative surcharge of five percent
(5%).
Costs for the purchase of equipment (e.g., sampling
equipment) or materials shall not be charged to CGS (except for
usage/rental costs) unless (a) the equipment or material is not
reusable, or (b) the equipment cannot otherwise be leased at less
than the purchase price from another company.
3. The maximum costs for fees and reimbursable expenses
described in Article III, Paragraphs 1 and 2 for the services
described in Exhibit "A" is One Hundred Twenty-Two Thousand Three
Hundred Thirty-Four and 50/100 Dollars ($122,334.50). Notice of
any expected cost overruns in excess of the maximum cost stated
above shall be given to CGS as soon as cost overruns are reasonably
expected by Consultant to be necessary to accomplish the services
required by this Agreement. Any cost overruns or changes in the
scope of work as set forth in Exhibit II A" shall also be presented
to CGS in change order form with justification stated for the
necessity of exceeding said maximum costs. In no event shall such
maximum costs be exceeded without authorization from CGS by written
approval of the appropriate change order. Any fees or reimbursable
expenses Consultant incurs in excess of said maximum costs and
without written approval of the appropriate change order by CGS
shall be entirely at Consultant's obligation and expense and CGS
shall not be liable for same.
4. Delays not caused by Consultant but which are the result
of unforeseen occurrences including but not limited to unfavorable
weather conditions, partial or complete plant or process shutdowns,
March 1, 1994 9:05am
RDN: Clearwater: PSA
3
,
)
I
strikes, floods, or fires which extend the effort required may
constitute a Change-of-Scope.
Additional effort resulting from
such delays will be billed in accordance with Article III,
Paragraphs 1 and 2, upon prior notice to, and approval by, CGS in
accordance with the procedures and requirements of Article III,
Paragraph 3.
5. Services performed at CGS's request beyond those defined
by Exhibit "A" shall constitute a Change-of-Scope, will be
documented by a change order, and will be billed as outlined above.
Upon approval of the change order, such additional work shall be
carried out in accordance with all of the terms and conditions set
forth in this Agreement.
ARTICLE IV - METHOD OF PAYMENT
Monthly , Consultant will invoice CGS for all services rendered
under this Agreement. The original invoice shall be submitted to
Mr. J. Terry Neenan, Gas Superintendent, CLEARWATER GAS SYSTEM, 400
N. Myrtle Avenue, Clearwater, FL 34615. A copy of each invoice
shall be submitted to William L. Pence, Esq., Akerman, Senterfitt
& Eidson, P.A., P. O. Box 231, Orlando, Florida 32802.
Invoices shall be due and payable within thirty (30) calendar
days after receipt. CGS shall notify Consultant in writing of any
disputed amount within thirty (30) calendar days after receipt of
invoice; otherwise all invoice charges will be considered
acceptable and correct. Any unpaid balance for other than disputed
charges will draw interest at the rate of one percent (1%) per
month commencing thirty (30) days after receipt of invoice.
March 1, 1994 9.05am
RDN. Clearwater: PSA
4
I
I
Consultant's invoice shall provide the following information:
1. Total number of hours itemized by individual, the hourly
billing rate of each individual, and a narrative description of
services provided on the project which shall include a specific
reference to accomplishment of tasks described in Exhibit "A."
2. Total labor costs as defined in Article III, Paragraph 1.
3. Listing of other reimbursable expenses as defined in
Article III, Paragraph 2, itemized by type of charge.
4. A statement comparing the total fees and expenses billed
up to and including the date of the invoice to the maximum cost
authorized by Article III, Paragraph 3.
5. Copies of documentation supporting all charges.
CGS has the right, at its own expense, to audit Consultant's
books and records relating to this Agreement during the performance
period and for one (1) year following termination of the Agreement.
Any such audits may be carried out at reasonable intervals and
shall be accomplished during normal business hours.
ARTICLE V - TIME FOR COMPLETION
Consultant shall begin work described in Exhibit "A" within
two (2) weeks of receipt of notice to proceed from CGS. Copies of
Consultant's draft Contamination Assessment Plan ("CAP"), Health
and Safety Plan ("HSP") and Quality Assurance Project Plan ("QAPP")
shall be delivered to the persons identified in Article IV above by
no later than three (3) weeks from notice to proceed.
Six ( 6 )
copies of the final CAP, HSP and QAPP shall be submitted to CGS by
Consultant within five (5) working days from receipt of CGS's
March 1, 1994 9,05am
RDN ,Clearwater, PSA
5
I
I
comments.
Consultant shall begin implementation of the CAP and
QAPP within five (5) business days of receipt of the Florida
Department of Environmental Protection's approval of the CAP and
QAPP .
ARTICLE VI - CONFIDENTIAL INFORMATION
1. All services to be performed by Consultant pursuant to
this Agreement and all written and oral surveys, data, reports,
recommendations, or other documents or information generated by
Consultant or received from CGS in performance of this Agreement
are confidential and Consultant shall prevent disclosure of such
materials except to CGS and parties designated by CGS to receive
such information.
Consultant shall not use any information (so
required to be treated as confidential) for any purpose except in
furtherance of Consultant's obligations under this Agreement.
Should Consultant be requested to disclose such materials by any
person, whether by court process or otherwise, it shall promptly
notify CGS.
2. Should the Consultant receive any trade or business
secrets of CGS, it shall treat such information as confidential and
shall not disclose same to any person.
Should Consultant be
requested to disclose any such trade or business secrets by any
person, whether by court process or otherwise, it shall promptly
notify CGS.
3. In the course of performance of services by Consultant
for CGS, it is possible that certain confidential information will
be revealed to Consultant by CGS or that Consultant will obtain
March 1, 1994 9:05am
RDN: Clearwater: PSA
6
I
I
'.
knowledge of such confidential information through other sources.
Likewise, it is possible that CGS will become acquainted with
certain techniques and procedures used by Consultant which
Consultant considers confidential.
Consultant and CGS will
maintain the confidentiality of, and will not release or allow
access to, any information, documents, or materials which are
designated as confidential by Consultant or CGS.
4. Consultant shall not name or otherwise identify or refer
to CGS as a representative client for any purposes without first
obtaining the consent of CGS.
5. Consultant acknowledges that CGS is an entity subject to
the Public Records Law (Florida Statutes, Chapter 119) and can
maintain confidentiality of information, documents or materials
designated as confidential only to the extent permitted by such
law.
ARTICLE VII - TERMINATION
CGS may terminate this Agreement at any time, for any reason,
upon seven (7) days written notice to Consultant of the intent to
terminate. In the event CGS shall fail to make timely payment of
any sum owing and due Consultant, Consultant shall have the right,
notwithstanding any other provision of this Agreement, to terminate
this Agreement upon immediate written notice to CGS.
In either
event, payment shall be due to Consultant only for those services
performed by Consultant up to the date of receipt of notice of
termination. Upon termination, Consultant shall, upon payment by
CGS of any sum owing and due, provide and turn over to CGS all
March 1, 1994 9,05am
RDN: Clearwater ,PSA
7
I
I
"
written surveys, data, reports, recommendations, or other documents
or information generated by Consultant or received from CGS in the
performance of this Agreement.
ARTICLE VIII - INSURANCE
Consultant and Consultant's subcontractors shall, at their
sole cost and expense, at all times during this Agreement, maintain
such insurance as will protect it from claims for damages: (i)
under workers' compensation laws, disability benefit laws or other
similar employee benefit laws; (ii) because of bodily injury,
occupational sickness or disease, or death of its employees,
including claims insured by usual personal injury liability
coverage; (iii) because of bodily injury, sickness or disease, or
death of any person other than its employees, including claims
insured by usual personal injury liability coverage; and (iv) for
injury to or destruction of property, including loss of use
resulting therefrom -- any or all of which may arise out of or
result from any action of Consultant or its employees in its
performance of this Agreement.
In addition, Consultant shall
maintain insurance coverage for contractual
liabili ty and
professional negligence. Throughout the term of this Agreement,
Consul tant and Consultant's subcontractors shall maintain the
insurance coverage required above in the following minimum amounts:
COVERAGE
LIMITS
(1) Worker's Compensation
(2) Comprehensive General Liability
(Bodily Injury/Property Damage)
Statutory
$1,000,000 Combined
Single Limit
March 1, 1994 9,05am
RDN I Clearwater: PSA
8
I
I
(3) Professional Liability
$1,000,000 Each
Occurrence
(4) Automobile Liability
(Bodily Injury/Property Damage)
(5) Contractual Liability
$1,000,000 Combined
Single Limit
$1,000,000 Combined
Single Limit
The City of Clearwater shall be named as an additional insured
on all of Consultant's insurance policies required above.
Consultant shall furnish CGS with certificates of insurance at the
time of the execution of this Agreement by Consultant. Receipt and
acceptance of the Certificates of Insurance or other similar
document does not constitute acceptance or approval of amounts or
types of insurance which may be less than required by this
Agreement. Consultant shall provide CGS at least thirty (30) days
written notice prior to cancellation or material change in the
coverage required above.
ARTICLE IX - WARRANTY AND LIABILITY
1. Consultant warrants that its services under this
Agreement shall be performed in a thorough, efficient, and
workmanlike manner, promptly and with due diligence and care, and
in accordance with the best practices of the engineering
profession.
2. Consultant shall prepare a QAPP which shall apply to all
sampling and analysis undertaken pursuant to and in accordance with
this Agreement. The QAPP shall be prepared in accordance with the
requirements set forth in Chapter 17-160, Florida Administrative
Code, as amended from time to time.
All Work shall be done in
March 1, 1994 9,05am
RDN:clearwater,PSA
9
I
I
accordance with the QAPP, as approved by the Florida Department of
Environmental Protection.
3. Consultant agrees to indemnify, save harmless and defend
CGS, its officers, directors, city commissioners and employees from
and against
any and all
liabilities,
claims,
penalties,
forfeitures, suits, and the costs and expenses incident thereto
(including costs of defense, settlement and reasonable attorneys'
fees), which CGS, its officers, directors, city commissioners or
employees may hereafter incur, become responsible for or payout as
a result of death or bodily injuries to any person, destruction or
damage to any property, contamination of or adverse effects on the
environment, or any violation of governmental laws, regulations or
orders, caused by (i) Consultant's breach of any term or provision
of this Agreement; or, (ii) any negligent or willful act or
omission of Consultant, its employees or subcontractors in the
performance of this Agreement.
4. Consultant represents that it has, or will secure at its
own expense, all personnel required in its performance of the
services described in this Agreement.
Consultant shall be
responsible for supervision and direction of the performance of
services by Consultant's employees and the services of any approved
subcontractor. Consultant shall notify CGS in writing and receive
CGS approval of any subcontractor that shall be utilized. The
laboratories Consultant subcontracts with to perform services
related to this Agreement shall be appropriately certified pursuant
to applicable federal, state and local laws, ordinances and
regulations. CGS reserves the right to review the qualifications
March 1, 1994 9:05am
RDN,clearwater,PSA 10
I
I
/!'-
of any individuals assigned by Consultant to carry out the Work and
the right to reject those which are not in CGS's reasonable opinion
qualified. This in no way relieves Consultant of the obligation to
select and assign qualified personnel to provide these services or
of the liability incurred therefrom.
ARTICLE X - INDEPENDENT CONTRACTOR
Consultant is and shall perform this Agreement as an
independent professional consultant, and as such shall have and
maintain complete control over all of its employees, agents, and
operations. Neither Consultant nor anyone employed by it shall be,
represent, act, purport to act, or be deemed to be the agent,
representative, employee or servant of CGS.
ARTICLE XI - NONDISCRIMINATION
Consul tant shall not discriminate against any employee or
applicant for employment because of race, creed, color, sex,
religion, national origin or physical or mental impairment.
Consultant shall comply with all local, state and federal laws,
rules and regulations regarding discrimination in employment
against any individual on the basis of race, creed, color, sex,
religion, national origin, or physical or mental impairment.
ARTICLE XII - COMPLIANCE WITH RECYCLED PAPER ORDINANCE
1. Pursuant to City of Clearwater Ordinance #5059-90, all
reports submitted to CGS by Consultant in fulfillment of contract
March 1, 1994 9,05am
RDN,clearwater:PSA
11
I
I
" "
obligations shall use recycled paper when it is available at a
reasonable price and of satisfactory quality to meet contractual
performance standards.
For the purposes of this paragraph, the
price of recycled paper shall be considered "reasonable" if its
cost is no more than 10% higher than the lowest price offered for
non-recycled paper.
2. Consultant shall be responsible for maintaining records
documenting the usage of recycled paper for reports submitted to
CGS in fulfillment of Consultant's contractual obligations
hereunder.
ARTICLE XIII - DRUG-FREE WORKPLACE CERTIFICATION
To comply with Florida Statutes, Section 287.087, Consultant
certifies that it has implemented a drug-free workplace program and
shall provide a Certificate regarding a "Drug-Free Workplace"
pursuant to the requirements of City of Clearwater Memorandum No.
23 (90-91), dated December 17, 1990, from George C. Banks, CPPO,
Director, Division of Purchasing.
ARTICLE XIV - SAFETY AND HEALTH REQUIREMENTS
It is the Consultant's sole duty to provide safe and healthful
working conditions to its employees on and about the Site. CGS may
order that the work stop if a condition of immediate danger to CGS
employees, equipment or damage exists. This provision shall not
shift responsibility of risk or loss for injuries or damage
sustained from the Consultant to CGS, and the Consultant shall
remain solely responsible for compliance with all safety
March 1, 1994 9:05am
RDN: Clearwater: PSA
12
"
I
,
;:~'"
requirements and for the safety of all persons and property at the
site.
The Consultant shall comply with the standards and regulations
of the Occupational Safety and Health Administration ("OSHA"), the
Florida Department of Labor and Employment Security, and shall
comply with all other appropriate federal, state and local
regulations or City of Clearwater Safety and Health Standards.
ARTICLE XV - CONTINGENCY FEES
Consultant warrants that it has not employed or retained any
company or person, other than a bona fide employee working solely
for Consultant, to solicit or secure this Agreement. Consultant
warrants further, that it has not paid or agreed to pay any person,
company, corporation, individual, or firm, other than a bona fide
employee working solely for Consultant, any fee, commission,
percentage, gift, or any other consideration, contingent upon or
resulting from the award or making of this Agreement.
ARTICLE XVI - CONFLICT OF INTEREST
Consultant shall accept no employment for its services that
would conflict with its representations of CGS pursuant to the
terms of this Agreement.
ARTICLE XVII - AGENCY CONTACTS
Consultant shall not contact, negotiate or otherwise confer
with the State of Florida Department of Environmental Protection,
pinellas County Department of Environmental Management, or united
March 1, 1994 9:05am
RDN: Clearwater ,PSA
13
" ~
I
,
^.'
states Environmental protection Agency personnel regarding its
services to be performed pursuant to this Agreement without first
providing advance notice to CGS and receiving express written
approval from CGS for such activity.
ARTICLE XVIII - ATTORNEYS FEES, COSTS
In connection with any legal proceeding brought to enforce the
terms and conditions of this Agreement or to interpret the terms of
this Agreement, the prevailing party shall be entitled to recover
from the non-prevailing party all costs, expenses and reasonable
attorneys' and paralegals' fees incurred by said prevailing party
in such proceedings, including all costs, expenses, and reasonable
attorneys'
and paralegals'
fees
incurred on appeal,
in
administrative proceedings, or in any arbitration.
ARTICLE XIX - GOVERNING LAW, VENUE
All parties agree that this Agreement and the contents thereof
are to be interpreted and enforced pursuant to the laws of the
State of Florida. Any action at law, suit in equity, or judicial
proceeding for the enforcement of this Agreement or any provision
hereof shall be instituted and maintained only in the courts of the
County of pinellas, state of Florida.
ARTICLE XX - ENTIRE AGREEMENT
This Agreement supersedes any and all oral or written
agreements and understandings heretofore made relating to the
March 1, 1994 9:05am
RDN: clearwater: PSA
14
.
I
I
subject matter hereof and contains the entire agreement of the
parties relating to the subject matter hereof.
IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be executed on their behalf by their respective
representatives, each such representative having been first duly
authorized so to act, as of the date and year first hereinabove
written.
ATTEST:
By::h~r~ j. H~
ENVIRONMENTAL CONSULTING
::~HN~//JI~ /tv-
Viet jJ~SI/)CWr-
&
Countersigned:
CITY OF CLEARWATER, FLORIDA
Rita Garvey
Mayor-Commissioner
~~~.
Eliz th M. Deptula
II."terilll City Manager
Approved as
correctness:
to
form
and
Attest :-
.. -----
tf-!;~
city Attorney
--~- .lL<~:~.
L>. _ ~ _ ,__
Goudeau
15
r
-- I I
,
I.:'
3.0 SCOPE OF WORK
3.1 OBJECTIVES
As prescribed by FDEP document Corrective Actions for Contamination Site Cases, the
objectives of this contamination assessment are to: (1) establish the areal and vertical
extent of soil and groundwater impacts at the site; (2) determine impacted source areas,
imechanisms of transport, rate and direction of migration of impacts and groundwater
flow; (3) provide a complete characterization of groundwater impacts; and (4) describe
pertinent geologic and hydrogeologic characteristics that could influence migration of
groundwater impacts.
The historical aerial photographs, Sanborn maps, and the soil and groundwater data and
hydrogeologic characteristics reported in the SSIR prepared by NUS (1990) were used
in developing the scope of work described in this section. This scope of work provides
hydrogeological and chemical data to satisfy the above described objectives. The
contamination assessment investigation for the former Clearwater MGP site will include
the following tasks:
· Task I--Prepare of a contamination assessment plan (CAP), a quality
assurance project plan (QAPP), and a health and safety plan (HSP) to
cover the proposed field investigation;
· Task 2--Initiate the preliminary field investigation using innovative DPT
to begin lithographic mapping, groundwater and soil testing onsite.
Analytical results will be directed within 24 hours. ECT anticipates
delineating areal and vertical extent of contamination within 5 days using
the DPT approach;
· Task 3--Install permanent monitoring wells in locations determined from
field screening analytical results. Sample monitor wells and submit for
laboratory analytical testing; and
3-1
T -934PRPS .003-121 093
,
.
--r
1
. Task 4--Prepare a CAR for submittal to the city of Clearwater and legal
counsel for review.
The following sections provide information on the scope of each individual task listed
above.
3.2 TASK I--PREPARATION OF CONTAMINATION ASSESSMENT PLAN.
OUALITY ASSURANCE PLAN. AND HEALTH AND SAFETY PLAN
The objectives of the CAP are to detail the specific activities necessary to perform the
contamination assessment and to provide the technical and operational guidelines for
completion of each activity. The CAP is submitted to FDEP with an accompanying
QAPP that provides system protocols and technical specifications to ensure the technical
integrity of all contamination assessment activities. A site specific HSP is also
developed to provide safety guidance during site characterization activities. These plans
are described in the following paragraphs.
3.2.1 CONTAMINATION ASSESSMENT PLAN
The contamination assessment emphasizes data collection and site characterization. The
CAP will summarize the groundwater and soil characteristics derived from earlier
studies, and will defme all additional field sampling activities, data evaluation
methodology (e.g., computer modeling, mapping, statistical analysis), and identify initial
water quality criteria that ,may be used to assess the extent and significance of the
detected contaminants.
3.2.2 QUALITY ASSURANCE PROJECT PLAN
ECT's comprehensive quality assurance plan (CompQAP), which has been approved
and is on file with FDEP, will be utilized during all contamination assessment activities.
The CompQAP will be used as the basis for development of the QAPP and for all
environmental monitoring and analyses to be performed during the contamination
3-2
T -934PRPS .003-121 093
u_____ - u.--u-uu-----J---h _.__..
1
assessment. Adherence to the QAPP assures that all data generated during the project
are valid, defensible, and of known precision and accuracy.
3.2.3 HEALTH AND SAFETY PLAN
The purpose of the HSP is to describe the safety, accident, and fire protection standards
and requirements. This plan contains standard operating procedures (SOPs) to ensure
the safety of all personnel performing activities associated with the contamination
assessment. During preparation of the HSP, ECT personnel will confer with Clearwater
Gas System personnel for site specific safety requirements that will be required for
workers on the property. The plan will comply with the requirements of Occupational
Safety and Health Administration (OSHA) for all activities to be conducted during the
course of the investigation.
3.3 TASK 2--PRELIMINARY FIELD INVESTIGATION
The field preliminary investigation scope proposed will determine the aerial and vertical
extent of contamination and, subsequently determine the placement of the permanent
monitor wells for this site. The proposed field investigation was based on the
background information described in Section 2.2; information provided by Clearwater
Gas System personnel; historical aerial photographs and historical Sanborn maps; and
the tank closure report and preliminary CAR for the Pinellas County Health Department
parcel, which was acquired from regulatory files.
The preliminary field investigation will provide data to assess the areal and vertical
extent of soil and groundwater impacts at the site, and assess hydrogeologic factors
affecting the occurrence and transport of contaminants. The field investigation
principally will include an estimated 32 standard penetration test soil borings, collection
of 10 soil samples and 15 groundwater samples for chemical analysis. Preliminary
evaluation of aquifer characteristics and direction of groundwater flow will also be
performed.
3-3
T-934PRPS.OO3-12 I 093
1
1
3.3.1 DIRECT PUSH TECHNOLOGY
DPT is an advanced technique that directly pushes various instruments into the
subsurface to collect in situ geotechnical and hydrogeological measurements and
samples. This technique descends from the Mechanical Dutch Cone methodology
developed in Holland in the 1920s and is widely accepted and recognized as the Static
Cont Test Procedure, American Society of Testing Materials (ASTM) procedures D-
3441. Supplement literature is provided in Appendix D for further review.
Specifically, these field services will include;
· Piezocone soundings will include tip resistance, sleeve friction, and
friction ratio, soil type, and pore pressure dissipation.
· Hydrocone groundwater sampling will be obtained using this sampler.
As well, hydraulic conductivity will be measured based on timed rate of
filling of the sampler at each of the specified depths for each location.
· Vaporcone sampling that will include soil gas samples
obtained at predetermined intervals in the vadose zone.
· Soil sampling that will involve hydraulically installed split spoon soil
samplers to provide undisturbed soil samples over a 2-ft interval.
· Direct push well points thjat will involve I inch polyvinyl chloride
(PVC) well points installed per the client's specifications for screen and
riser and can be utilized for piezometers or air sparging.
· Decontamination of all equipment following SOPs.
· Borehole pressure grouting by tremie pipe.
3.3.2 BOREHOLE DRILLING AND SOIL SAMPLING
Soil borings are proposed at the 32 locations depicted in Figure 3-1 to supplement
previous data and assess the horizontal and vertical extent of coal tars and visibly
impacted soils. These locations were selected on the basis of historical MOP structures
as depicted on Sanborn maps and aerial photographs, the results reported in the SSIR
3-4
T-934PRPS.003-12 1 093
.'
J
I
CLEARWTR PROPSB-A12
P9120 9999 12109~
(!)--
.w'LE STREET'
4
I ,,, ( !
___I """'- )( )( )(
,-~ - - -f0 -.- ~ 1- - -
c- ----..... i I
-J'..j If] I
I I I I I I
I I/~I I I
~-----~---~----~
I II <.:) I I I
I II~I I I
I II~I I I
I II~\ I I
-~-----~---~----
! L~ L I ~=
I -, ---=:J I
I ~ I
I I I DMSIONllON ~
-@---- -----@
I I I
I ---~ I I
I I ~~
I ST~
(FEET)
LEGEND
-- FtlQ:
2
3
SCALE: ,. - 100'
A NOTE: LOCATIONS SHOWN
ARE APPROXI~TE AND
ADDITIONAL OR
ALTERNATE BORINGS
~y BE WARRANTED
BASED UPON DIRECT
PUSH TECHNOLOGY
RESULTS
o
, I
~
I
-
1 Of> --+--+ ltAUOo\o
- - ~\otlolENr
(!) ~
PURCHASING
BUllDlNC
A
B
WAREHOUSE
PURCHASINC
c
D
Ii:
-<
;Q
...
~
PI
E
.
<
PI
Z
c:
PI
F
(!)-----
G
I
I
I
@}-----~-
HART STREET
TAHlC$
C J
H @}----
C :J 0
T ANI<S
COtootPRESSOR
puwp ROOW
i
I
-~
I
I
I
I
-@)
I
I
I HEALTH
~ARTWENT _
I
-@)
I
(!)
JONES STREET
FIGURE 3-1.
PROPOSED SOIL BORING LOCATIONS
CLEARWATER MANUFACTURED GAS PLANT
CLEARWATER. FLORIDA
Ee'F
Source: ECT, 1993.
3-5
cnvironmlJntaJ Consulting 4t Tt!JChnology. Inc.
I
I
(NUS, 1990), and information provided by Clearwater Oas System personnel.
As shown in Figure 3-1, an X- Y grid system on 100 ft centers has been established
using an alpha-numerical numbering system to locate individual soil boring locations.
The soil boring locations have been selected to target former locations of gas production
and/or processing structures where soil/groundwater impacts may have occurred due to
leakage and spills and also on parcels south of the former gas plant and southeast of the
plant site (Pinellas County Health Department parcel) where purifier wastes and bottom
ash may have been disposed. These locations and proposed soil borings are as follows:
Soil Boring Designation
(see Figure 3-1)
A2, A3, B2, B3
Rationale for Selection
Former location of large capacity gas
holder in northwest portion of site.
Previous groundwater impacts reported
in SSIR (NUS, 1990).
A4, B4
Former location of process water
cooling tank.
Former location of tar tanks and tar still
in central portion of the site.
Former location of small capacity gas
holders, purifiers, tar tanks, and gas
tanks.
C3, C4
03, E3, F3
04, E4, F3
Former location of horizontal gas tanks
in southern portion of site.
Former location of high pressure tank.
Site perimeter locations.
Located in vicinity of former sign shop
where paints, thinners and solvents
were stored and used.
Located on parcel south of former gas
plant where purifier wastes and bottom
ash may have been disposed.
F4
AS, BS, CS, C2, D2,
El, Fl, F2
01, 02, HI
3-6
T-934PRPS.003-121093
I
I
Soil Boring Designation
(see Figure 3-1)
G4, G5, H4, H5, 15
Rationale for Selection
Located on paper southeast of former
gas plant where purifier wastes and
bottom ash may have been disposed.
Shallow soil borings will be pushed to depths of approximately 15 ft bls and deep soil
borings will be pushed to depths of approximately 30 to 45 ft bls using procedures in
accordance with ASTM 0-3441. Using this procedure, a 2.5 inch solid stem auger with
tungsten/carbide tips are driven by a high torque/low RPM 45 cube hydraulic motor to
allow the OPT instruments to be pushed into dense soils or land filled stratigraphy.
The following procedures allow for the retrieval of soil samples from discrete
subsurface intervals and will enable estimation of the volwne of soils visibly impacted
by coal tars. Soils encountered during drilling that are visibly contaminated with free
product will be containerized and stored in drums onsite until arrangements can be
contracted for disposal of these soils. The costs for this disposal may be $100 to $300
per ton and, because the volumes (if any) are unknown, these costs are not a part of this
proposal. While the soil borings are representative of subsurface conditions at their
respective locations and for their respective vertical reaches, local variations in the
characteristics of these subsurface materials are anticipated and may be encountered.
Soil samples retrieved during OPT will be screened for organic vapors in the field using
an organic vapor analyzer (OV A) equipped with a flame ionization detector (FIO) and
headspace testing procedures as described in Rule 17-770.200(2), Florida Administrative
Code (F.A.C.). This method has been approved by FOEP for investigations by ECT
at numerous MGP sites in Florida. The OV A can be generally used for qualitative
screening of coal tar impacts in soils even though it is recognized that many of the
organic constituents of coal tar are only semi-volatile or nonvolatile.
3-7
T-934PRPS.OO3-121093
I
I
ECT estimated 10 soil samples will be selected for laboratory chemical analyses for
specific chemical constituents. The correlation between the analytical results and the
OV A readings will be evaluated so as to allow a semi-quantitative understanding of
chemical concentrations within those soil samples analyzed only by the OVA. In
addition, an estimated 15 groundwater samples will be collected during DPT field
efforts and analyzed for determination of extent of contamination.
The following procedures will be implemented to retrieve data for the preliminary field
investigation.
3.3.2.1 Piezocone Soundines
The computer monitored electric Piezocone utilizes electric strain gauges to monitor the
dynamic properties of a stainless steel sensing device as it is thrust into the earth at a
uniform rate of penetration. The minimum operating procedures and data quantity and
quality exceed the requirements of ASTM D-3441. Data obtained from this
methodology are analyzed pursuant to Robertson and Campanella, Guidelines for Use
and Interpretation of the Electric Cone Penetration Test, November 1989.
The Piezocone PC-l instrument is a durable yet sensitive tool conforming to ASTM
D-3441. Inside the instrument are three load and pressure transducers situated in a
Wheatstone Bridge formation, which communicate with the computer system on the
DPT rig. These transducers relay measurement information on various soil and
groundwater characteristics.
. The direet push rig will drive the Piezocone at a constant rate of 2 centimeters per
second (em/see) to depths specified in this investigation while collecting continuous
measurements of the resistance to penetration of the cone. Measurements will also be
made of the combined resistance to the penetration of the cone (tip) and outer surface
of the sleeve. In addition, subsurface pore water pressures will be measured through
3-8
T-934PRPS.OO3-121093
I
I
a porous media and pressure transducer. The cable linking the Piezocone tip to the
computer will store internally these measurements and convert all data to soil types by
relating point stress, sleeve friction and the ratio of sleeve friction / point stress to
equivalent soil parameters.
The Piezocone will be used to measure the engineering soil parameters and to assist in
lithographic mapping of the subsurface as per ASTM D-3441. The tip pressure and
sleeve friction values will be used to classify the soil type, bearing capacity, and
settlement potential. Documentation of instrument calibration prior to and following
each hole shall be provided. The rate of push for each hole will be averaged and
documented.
The Piezocone determines:
· Unified soil classifications,
· Relative soil density (standard penetrating test blow values),
· Perched water table conditions,
· Estimates of hydraulic conductivity, and
· Effective thickness of confining units.
3.3.2.2 Comouter Monitored Groundwater Samoler (Hvdrocone)
The GS-I Groundwater Sampler (Patent # 4807707) is a state-of-the-art instrument
designed and patented with licensing rights assigned to Subsurface Technology. This
instrument is used for obtaining in situ groundwater samples without the need for
monitoring wells. In addition, as the GS-I instrument is pushed directly to the required
sampling interval, no waste products from drilling operations are generated, thus greatly
reducing crew exposure to hazards and eliminating the disposal of generated hazardous
waste.
Groundwater samples at the site will be collected using the Hydrocone groundwater
3-9
T-934PRP5.003-121093
I
1.--.-- --
sampler. Water samples will be collected starting at the shallow depths and completing
the location at the deepest interval below land surface. The Geosystem Rig will be
anchored in place and, with the field decontamination procedures completed for this
instrument, the commencement of the first sample interval will begin. Upon retrieval
to the surface of the first sample the Hydrocone will be disassembled, transferred to the
decontamination staging area, and a full decontamination Hydrocone will be assembled
in place and pushed to the requested sampling interval for the next groundwater sample.
This procedure will be repeated until all intervals are sampled to the satisfaction of
ECT's field representative. Borehole abandonment will then be initiated according to
the procedures outlined in the SOP.
Samples collected for VOC, solvent, and semi-volatile screening analyses will be placed
into 40 milliliter vials by carefully decanting the Hydrocone contents through a teflon
straw. Using this "gravity drain" the Hydrocone sample will be gently decanted down
the side of the vial to minimize aeration and subsequent volatilization of the sample.
The vials will be completely filled to the point of creating a convex meniscus and
secured with the teflon side of the septum cap contacting the sample. The vial will then
be inverted and tapped lightly to ensure that no air bubbles are present. If bubbles are
present, the sample in the vial will be discarded. Should a VOC vial need to be filled
more than three times to eliminate trapped air, a new VOC vial will be used to prevent
septum deformation and preservative dilution.
Groundwater samples will be carefully decanted into pre-preserved sample bottles
provided by the laboratory. With the exception of oil and grease, total recoverable
petroleum hydrocarbons (TRPH), and volatile organic samples, nonpreserved containers
will be rinsed with sample water before the sample is taken, To check the pH
adjustment of the preservative (acid or base preserved), a small aliquot of a sample will
be tested using close range pH paper. The aliquot will not be returned to the sample
container. pH will be checked for all samples per each parameter on the first sampling
3-10
T-934PRPS.003-121093
I
I
event, and on one sample per each parameter on all successive events at the same site.
Sample labels will be properly marked by ECT using a waterproof pen and a custody
seal will be affixed to the sample container in a manner that will cause the seal to break
when the container is opened. The sample containers will be segregated with samples
collected from each well placed into separate zip-lock bags, which will then be placed
on wet ice in a cooler provided by the laboratory. After sampling, all equipment will
be properly decontaminated using procedures in this SOP prior to sampling another
location or leaving the sampling site.
3.3.2.3 Hvdrocone Estimated K Values
The filling sequence of the Hydrocone is monitored by the IBM 386 computer on board
the Geosystem Rig. Once the sampler's stainless steel porous tip is exposed and sample
acquisition begins, data generated by the filling sequence of the Hydrocone is stored in
the computer on board the Geosystem Rig. Transducers communicating with the
microcomputer ensure accurate and complete test measurement and control.
Natural hydrostatic pressure is used to collect the water sample inside of the GS-I
sample chamber under a variable argon pressure environment (back pressure). The
argon gas back pressure is controlled thorough a series of pressure regulators. The back
pressure is monitored on pressure gauges (in pounds per square inch) on the regulators
and microcomputer screen, which presents a real time graphic presentation of the gas
pressure.
The computer presentation of the gas pressure is converted to "feet of water" so the-
difference between hydrostatic pressure and gas pressure is easily determined. The GS-
1 miniaturized transducers provide input to the computer and associated visual monitor
to enable real time display of the time rate of filling. This data is disc stored for later
presentation on a multicolored plot. The computer generates estimates of the horizontal
3-11
T-934PRPS.OO3-121093
I
I
permeability within the aquifer to be calculated based on the time of filling. The
transducers enable the user to be assured that the sampler has not been over or under
filled.
3.3.2.4 DPT Soil Sampling
The SS-1 soil sampler is a direct push soil sampler similar to a split spoon sampler.
The SS-1 comprises a stainless steel point, a ball chuck system, a 24 inch stainless steel
split spoon, and an umbilical cable. Sampling with the SS-1 begins with complete
decontamination and assembly of the sampler. Initial assembly of the sampler includes
locking the point at the bottom of the sampler with the ball-chuck system. With the
point locked in position, the SS-1 is pushed to the prescribed sampling depth. Upon
reaching the prescribed sampling depth the ball-chuck system is collapsed, releasing the
point that is then retracted to the top of the sampler with the umbilical cable. Once the
point has been retracted, the "open" SS-1 is advanced 24 inches into undisturbed soils
to collect the soil sample. Upon completion of soil collection the entire assembly is
retrieved to the surface and opened for examination and transfered to sample
preservation containers.
3.3.2.5 Soil Gas Sampline: UtiIizine: the VaDorcone
Soil gas sampling, using the Vaporcone, begins following comprehensive
decontamination and assembly procedures. Decontamination procedures are outlined
in Subsurface Technology's CompQAP on file with FDEP. Visual checks are made to
ensure the unit is watertight and properly sealed. The sampler, constructed of 4140
alloy steel with a 1.75 inch outer diameter, is then pushed to the required sampling
depth. Under the control of the operator, the sampler's tip is exposed allowing soil
vapors to enter the sampler's ports. Vacuuming of the soil gases commences utilizing
a pulse pump. Tygon tubing is used to transfer the soil gases from the sampler ports
to the T edlar bags at the surface. Once the T edlar bags are filled the sampler is
retrieved to the surface and a new Vaporcone is prepared for the next sampling event.
3-12
T-934PRPS.OO3-121 093
.'
02/17/94 15:39
5'613 1119 9388
ECT BMPA
I
ill 002
3.4 TASK 3-FlNAL FIELD INVESTIGATION
Results from the preliD1inary investigation ",ill be anticipated within 5 working days.
At this time, ECT will conclude the field investigation by insta1Iing 10 shallow and 5 .
deep surficial aquifer monitor wells, and the purging and sampling of the I S new
monitor wells. In addition. the four existing monilOT wells located on the Pinellas
County Health Department parcel will also be sampled and analyzed for the same
analytical constituents,
The approaches to specific field subtasks are described among the following sections.
The CAP and QAPP will provide specific details.
3.4.1 MOsrrOR WELL INSTALLATION
A total of 15 monitor wells are proposed for installalion at the site. Ten shallow
surficial aquifer groundwater monitor wells are proposed to be installed to characterize
the surficial hydrogeologic conditions and to determine the extent of groundwater
impacts at the site and five deep momtor wells are proposed to be installed to determine
the vertical extent of groundwater impacts and vertical hydraulic gradients in the deeper
portions of the surficial aquifer, Shallow wells will be constructed to an estimated total
depth of 15 ft bIs, and deep wells will be constructed to approximately 30 to 45 ft bIs.
The proposed well locations are shown in Figure 3.2. These locations were selected
on the basis of historical MGP structures as depicted on historical Sanborn maps,
historical aerial photographs, information provided b)' Clearwater Gas System personnel,
and the groundwater results previously reported in the SSIR (NUS, 1990). The
rationale for the selected well locations i! summarized in Table 3-1. It should be noted
that fInal monitor well locations will be based on results of the prelimina.ry field
investigation.
Split spoon sampling (as described in Section 3,3.1), will be conducted within hollow
stem augers for purposes of lithologic description and for visual and OVA identification
3-13
T-934PRP5.00J-021794
I
I
CU'ARWTR PROPMW2-A12
NOTE:
LOCATIONS SHOWN ARE APPROXIMATE
AND ADDITIONAL OR ALTERNATE
BORINGS MAY BE WARRANTED BASED
UPON DIRECT PUSH TECHNOLOGY
RESULTS
P9120 9999 121093
WAPLE STREET
"
LEGEND
~M~-~ - - - \J
$ MW-1D
c::- .J'~
(
"""'-- -)(
H l{
~ EXISTING
I!I WONITOR WEll
~ MW-2
IrJ
I
Iml
1::>1
It)
101
I~I
I~\
,a..
)1
c L_-=:J
PURCHASING
BUILOlNG
A
------ FENCE
I RAILROAD
MW-8D
$
~
MW-8
WAREHOUSE
PURCHASING
- - - PAVEWENT
1'1'\ PROPOSED DEEP
W WONITOR WEll
~
PROPOSED SHAI.I.OW
WONITOR WEll
~MW-3
SCALE: 1- - 100'
o (FEET) 100
L.. I
I
I
I
MW-4D_ $ ~M
c:
-<
:II
-4
~
'"
WEYER SHOP /
SERIIICE
0MSl0N
>-
<
'"
z
c:
'"
HART STREET
~ MW-9
MW-9D $
ERM-6 ERM-7
(!) (!)
· · ERM-5
(!) ERM-4
ERM-2 · ERU-J
TANKS
C ~
C J
C ~ 0
TANKS
HDLlH
OEPNmIENT
COIolPRESSQR
PUMP ROOIoI
MW-l0~ $ MW-100
JONES STREET
FIGURE 3-2.
PROPOSED MONITOR WELL LOCATIONS
CLEARWATER MANUFACTURED GAS PLANT
CLEARWATER, FLORIDA
Ee'F
Source: ECT, 199J.
3-14
Environmental Consulting Ie Technology. Inc.
I
I
Table 3-1. Monitor Well Location Rationale
Monitor Well
Designation*
Location Rationale"
MW-l
MW-1D
Collocated shallow and deep wells located in northwest portion of site
at location of fonner gas holder. Location of previously reported
groundwater impacts (NUS, 1990).
Shallow well located along western perimeter of the former MGP site
to provide groundwater quality data and elevational gradient data
along the western boundary.
Shallow well located in the general vicinity of the tar still and tar
tanks in central portion of the site.
Collocated shallow and deep wells in the general vicinity of gas
holder and tar tanks in south-central portion of the site. Location of
previously reported maximum groundwater impacts (SSIR; NUS,
1990).
MW-2
MW-3
MW-4
MW-4D
MW-5
Shallow well located in the general vicinity of horizontal gas tanks
and gas producers and compressors in the east-central portion of the
site.
MW-6
Shallow well located in south-central portion of the site in the vicinity
of former gas .holders and horizontal gas tanks. Previously reported
groundwater impacts in this area (SSIR; NUS, 1990).
Shallow well located along southern perimeter of site to provide
groundwater quality data and elevational gradient data at the southern
boundary.
Collocated shallow and deep wells located in the western portion of
the site and in vicinity of fonner sign shop where paints, thinners, and
solvents were used and stored.
MW-7
MW-8
MW-8D
MW-9
MW-9D
Collocated shallow and deep wells on parcel south of former MGP
site where purifier wastes and bottom ash may have been disposed.
Will provide groundwater quality data downgradient of MGP site as
well as hydraulic gradient data for the upper and lower portions of the
surficial aquifer.
Collocated shallow and deep wells on parcel southeast of fonner MGP
site where Pinellas County Health Department is now located (fonner
underground storage tank ruST) location). This parcel may have been
used for disposal of purifier wastes and bottom ash. Will provide
groundwater quality data downgradient of MGP site and fonner UST
as well as hydraulic gradient data for the upper and lower portions of
the surficial aquifer.
MW -10
MW-IOD
*See Figure 3-2.
"Tentative location rationale; final well locations will be based on the results of
the soil boring investigation.
Source: ECT, 1993.
3-15
T-934PRP4.014-121193
I
I
of coal tar impacts.
The shallow monitor wells will be installed using hollow stem augers in accordance
with ASTM D-1452 procedures. Shallow monitor wells will be installed through the
center of the hollow drill stem and positioned at the appropriate depths. The shallow
wells will be screened to intercept any floating contaminants and allow for seasonal
fluctuation of the water table.
Deep monitor wells will include a 6 inch schedule 40 PVC surface casing set and
grouted to approximately 20 ft bls to avoid introduction of any shallow contamination
to underlying zones. Surface casings for the deep wells will be installed only if visibly
. impacted soils are encountered at that particular location. If soils are not impacted then
a surface casing will not be installed. . Mud rotary techniques will be used to drill
through and below the surface casings for the deep wells, then split spoon sampling will
resume.
Each shallow monitor well will have a lO-ft length of number 10 slot screen con-
structed of 2-inch diameter, schedule 40 PVC casing attached to a 2-inch diameter
schedule 40 PVC riser casing. Threaded joints will be used for coupling the sections
of casing and screen. Glued or heat-welded joints will not be used, The deep monitor
wells have 5 ft screen lengths. The annular space outside the well screen will be filled
with a 20 to 30 mesh clean quartz filter pack to approximately I to 2 ft above the well
screen. A I-ft thick bentonite pellet seal will be placed in the annulus above the clean
sand filter pack. The remaining annular space will be grouted with a cement slurry
(Portland, Type I) to approximately 6 inches. bls, and a protective aboveground steel
casing will be set into a concrete pad, Figure 3-3 illustrates a typical shallow monitor
well and Figure 3-4 illustrates a typical deep monitor well.
During all borehole drilling, ambient air will be monitored with an OVA to identify
3-16
T-934PRPS.003-121093
t
1
SHAlWELL -A4
P9120 9999 12109
TYPICAL MONITOR WELL CONSTRUCTION DETAIL
FLUSH GRADE COMPLETION
3 FEET
.- :t
KEY PADLOCK
: :~. ':~'~.!-~::.:;.
":'.::~.~:'~
:{;if.;.:i~
"!i.~'.-'~...:.
:.\.:.:; ~~~.~
GROUT
.:.~,..:.:};.~:
-.:. -,.-.
:'~::'~:~"~:
.):.!.'::.:~:
'~::'.'.;~:~':
..:: li.\.
PVC CASING
2" DIAMETER
" ','. '. ~,
. ~'.-'..:.:::.,:.
: e:.:':..,;:.",:'.
":'::.'~;.')~
;".~.'~':':~~.
:.:: -: ;;'i.
".:. .;..1f
..:...;....
.:- :. .~.
..~.:.-... ",
.:....:.~.:.~
:~~..;.:~.:-::
.:.~.:......-
".:",:',::::..:
.~..'.:~.:..
PVC
WELL SCREEN
(0.01 SLOT)
2 FEET
BENTONITE SEAL
2 FEET
2 FEET
FILTER PACK
(20-30 MESH
SIUCA SAND)
_ 9' WATER TABLE
CAP OR PLUG
3 INCHES MAX.
t
NOT TO SCALE
FIGURE 3-3
SHALLOW MONITOR WELL CONSTRUCTION DETAIL
FLUSH GRADE COMPLETION
CLEARWATER MANUFACTURED GAS PLANT
CLEARWATER, FLORIDA 3-17
Source: ECT, 1993.
Ee,
Enwonmental Consulting. Technology. Inc.
I
I
OEEPWELL -,6,4
P9120 9999 12109J
DEEP MONITOR WELL CONSTRUCTION DETAIL
FLUSH GRADE COMPLETION
CONCRETE PAD
J FEET
4-:t
GROUND SURFACE
KEY PADLOCK
GROUT
~':':':!o::,,::,
0; ..
1i:3:f :\
:~-.:;.-
,.~.".:~.:.~:.~:.
".:.:
~::f:~-c..
:.'~. ::~.~~.:.:
.....::a:.:..:.
. :~.~:~:~.'~
PVC CASING
2- DIAMETER
:~\ ~~:":':",~~~
...........
.:....::---.:
.:.~:.~.;.\ ~.
~ ;....:..;.
WELL SCREEN
(0.01 SLOT)
.', ~. . . ..'
::.:::f."~::~'
:~..{:~:.:....:;
SURFACE CASING
. -.
~L.~:~.'~:
...1.. ~ATER TABLE
BENTONITE SEAL
2 FEET
2 FEET
FlLTER PACK
(20-30 MESH
SILICA SAND)
CAP OR PLUG
3 INCHES UAX.
t
NOT TO SCALE
FIGURE 3-4.
DEEP MONITOR WELL CONSTRUCTION DETAIL
FLUSH GRADE COMPLETION
CLEARWATER MANUFACTURED GAS PLANT
CLEARWATER. FLORIDA
Source: ECT. 1993.
Ee,
3-18
EnvirOllmfMtal Consulting ct Technology. Inc.
I
I
generation of potentially hazardous and/or toxic vapors or gases. Air monitoring results
will be included in the soil boring logs. If soil encountered during borehole drilling is
suspected to be hazardous because of discoloration, odor, or air monitoring levels, the
soil cuttings will be containerized in new, unused drums. The boring logs will indicate
the depth(s) from which suspected contaminated soil cuttings were collected for
containerization. At that time, ECT will recommend specific analytical testing of these
cuttings to obtain cost quotations for appropriate disposal.
Portable tanks will be used to transport and hold drilling water. To eliminate the
potential for cross-contamination, all drilling equipment and well construction materials
will be steam cleaned using water from the drilling water source prior to drilling at each
location. Drilling will be conducted from the potential "least" to the "most"
contaminated areas.
Development of wells will be accomplished as soon as practical after well installation.
Well development will be performed with a centrifugal pump, submersible pump, and/or
bailer until the water is clear and the well sediment free to the fullest extent practical.
If well yields C3lU1ot sustain the flow rate of the pump, a bottom discharge bailer will
be used. Water will not be added to the well to aid in development. For any monitor
wells that do not indicate contamination (based on odors, visual inspection, or OVA
analysis), well purge water will be discharged in the vicinity of the monitor well. If
free product or groundwater contamination is evident in any monitor well, the purge
water will be containerized and stored in drums onsite until arrangements can be
contracted for disposal. At that time, ECT will recommend specific analytical testing
of these purge waters to obtain cost quotations for appropriate disposal.
The water level indicator probe and pump or bailer will be rinsed with distilled water
3-19
T-934PRPS.003-12 1 093
)
I
and trisodium phosphate solution, isopropanol, and a distilled water rinse, and allowed
to air dry prior to use in the next well. Well development data recorded in the field
will be tabulated in the field notebook.
3.4.2 SURVEYING
All monitor wells will be surveyed for vertical control by a surveyor licensed and
registered in the State of Florida The top of casing elevations of all newly installed
monitoring wells will be surveyed to an accuracy of 0.0 I ft. The top of the riser casing
will be notched where well elevations are established. Benchmarks previously
established and traceable to a U.S. Coast Guard Surveyor U.S. Geological Survey
marker will be used.
3.4.3 GROUNDWATER SAMPLING
Groundwater sampling will begin after the new pennanent monitor wells have been
allowed to reach equilibrium for a minimum of 5 days. The following procedures will
be followed on the day of sampling:
I. The surface of the water table will be examined for the presence of free
floating hydrocarbons;
2. If applicable, the thickness of the hydrocarbon layer will be measured (to
:to. 0 I ft) using a clear, acrylic bailer;
3. The depth to water will be measured (to :to.OI ft) from the top of casing;
4. The well depth will be sounded and recorded and the volume of the
water calculated;
5. The volume of fluid in the screen and well casing will be purged a
minimum of three times. Wells will be purged until conductivity, pH,
and temperature have stabilized using the following criteria: pH:t 0.1
unit; temperature :to.5 degrees Celsius (OC); conductivity :t10 micromhos
~mhos) per em. These data will become part of the project record. The
amount of fluid purged will be measured and recorded. Well purge
3-20
T-934PRPS,003-121093
I
I
water will be handled according to the previously described procedures
for well development water. Groundwater sampling will then be
accomplished by using a dedicated stainless steel bailer for samples to be
analyzed for organics. Following sampling for organics, a peristaltic
pump and tygon tubing will be used to collect samples for metals
analysis.
6. To protect the wells from contamination during sampling procedures, the
following guidelines will be followed:
a. A dedicated stainless steel bailer will be used for sampling the
monitor wells. The bailer will be decontaminated and supplied
by the analytical laboratory. Monofilament line or braided nylon
line will be dedicated for each well for lowering sampling
equipment into the well; the line will not be reused. Separate
disposable plastic gloves will be used each time a well is either
purged or sampled.
b. If a pump is used to purge water from the well, the pump and the
hoses, as well as elevation tapes or calibrated water level probes,
if used, will be thoroughly decontaminated between samples.
c. All sampling and well purging equipment will be protected from
ground contact by placing the equipment on disposable aluminum
sheeting to prevent soil contamination from tainting the
groundwater samples.
d. Samples will be collected from background wells and wells
suspected of being free from contamination before sampling wells
that are suspected or known to contain contamin",nts.
7. Onsite measurements of water quality obtained during the groundwater
sampling episodes will consist of conductivity, temperature, and pH.
These data will be presented in the final report. Measurements will be
made using either a Hydrolab or a Coming Checkmate pH, temperature
3-21
T-934PRPS.OO3-121093
I
I
and conductivity meter. Calibration standards will be run and recorded
prior to, during, and after each sampling day. Three saline (potassium
chloride) solutions of known conductivity (laboratory prepared) will be
measured using the conductivity function and the meter will be set at
each calibration check. These standards will bracket the expected
conductivity range (100 to 1,000 ~mhoslcm) of the groundwater samples.
If calibration indicates that the instrument is not responding correctly, use
of a backup unit will begin. The pH calibration consists of testing two
pH buffer standards (pH 4.0 and 7.0) and adjustment of the calibration
function to read specified pH units.
8. Inert threaded PVC well casings will be used in this program.
Adsorption of certain compounds on the PVC surface may affect the
apparent groundwater concentrations. To minimize adsorption of
analytes by PVC each well will be purged and then sampled as soon as
sufficient water recharge into the well occurs. In this manner, the
contact time between the water sample and the PVC will be kept to the
shortest possible period.
During the sampling of each monitor well, the following information will
be recorded in a notebook:
a. Well number;
b. Date;
c. Time;
d. Static water level, (to :to.Ol ft);
e. Depth of well;
f. Number of bailer volumes removed or pwnping rate, if
applicable;
g. Time of pumping, if applicable;
3-22
T-934PRPS.003-121093
I I
h. Total volume of water purged from well;
1. Water quality measurements of pH, conductivity, and temperature;
J. Other pertinent observations of water samples (color, turbidity,
odor, etc.);
k. Fractions sampled and preservation method;
1. Weather conditions and/or miscellaneous observations; and
m. Signature of sampler.
3.4.4 FIELD DECONTAMINATION
All sampling equipment will be decontaminated by the following procedure prior to use
and between samples to avoid cross-contamination:
1. Wash with Liquinox and tap water (drinking quality), using a brush if
necessary to remove particulate matter and surface films;
2. Rinse thoroughly with tap water (drinking quality);
3. Rinse thoroughly with ASTM Type II or approved water;
4. Rinse with pesticide grade isopropanol (polar solvent);
5. Allow to air-dry; and
6. F or overnight storage, wrap In new aluminum foil to prevent
contamination.
All drilling equipment and well construction materials will be steam cleaned prior to
use or reuse.
3.4.5 SAMPLE QUALITY ASSURANCE/QUALITY CONTROL
All samples will be collected in a manner that will minimize aeration and prevent
oxidation of compounds in the sample. The container for groundwater samples to be
3-23
T .934PRPS .003-121093
I
I
analyzed for volatile organics will be filled until it overflows without air bubbles, and
then tightly capped. Special attention will be given to minimizing air contact with
water samples.
Each sample will be carefully labeled so that it can be identified by laboratory
personnel. The sample label will include the project number, sample number, time and
date, and sampler's initials. All samples will be identified with indelible ink on a
standard preprinted and prenumbered label immediately after collection. Information
concerning preservation methods, matrix, and sample location will be included on the
label. Samples will be shipped in insulated ice chests and kept below 40C from time
of sample collection until analysis. Chain-of-custody will be maintained at all times.
At the conclusion of each day in the field, the project manager will review each page
of the notebook for errors and omissions and then date and sign each reviewed page,
3.4.6 CHEMICAL ANALYSIS PROGRAM
This section summarizes the chemical analysis program that will be utilized during the
contamination assessment investigation. Selection of individual analytical parameters
was determined to provide a complete assessment of the site based on EeT's experience
at MGP sites and contaminants associated with byproduct MGP materials.
ECT recommends that the groundwater samples be collected from the proposed monitor
wells and analyzed for volatile organic halocarbons, volatile organic aromatics (VOAs),
P AHs, TRPH, phenols, total and dissolved primary drinking water metals, total cyanide,
acetone, methyl ethyl ketone (MEK), methyl isobutyl ketone (MIBK), and freons:
These analyses will provide data on potential contaminants from the former MGP
operations, former underground storage tank (UST) on adjacent property, former auto
repair shop, and the former sign shop. At least five duplicate samples and/or field
blanks will be collected and analyzed for QA purposes.
3-24
T -934PRPS .003-121 093
,.
I
I
The analytical methods and procedural references that will be utilized during the
preliminary contamination assessment are given in Table 3-2. Conductivity, pH and
temperature will be analyzed for all groundwater and surface water samples by ECT in
the field at the time of collection. Portable field units such as Hydrolab or Corning
Checkmate meters will be used, following field calibration of the units (EPA, 1983).
The following briefly summarizes the laboratory analyses to be conducted by ENCO
Laboratories, Inc.
3.4.6.1 Volatile Orl!anic ComDounds
VOCs will be analyzed by EPA Method 6011602 (water samples) and 8010/8020 (soil
samples). These methods are purge-and-trap gas chromatography methods applicable
for the determination of a number of volatile aromatics and halocarbons.
3.4.6.2 Polvnuclear Aromatic Hvdrocarbons
PAHs will be analyzed by EPA Methods 610 (water samples) and 8310 (soil samples).
These methods utilize gas chromatography or high performance liquid chromatography
for the determination of P AH compounds.
3.4.6.3 Total Recoverable Petroleum Hvdrocarbons
TRPH will be analyzed by EPA Method 418.1 for water and soil samples. This method
analyzes extractable petroleum hydrocarbons via infrared spectrophotometer.
3.4.6.4 Phenols
Phenolic compounds will be analyzed by EPA Methods 604 (water samples) and 8040
(soil samples). These methods use gas chromatography flame ionization detectors for
the determination of 11 phenolic compounds.
3.4.6.5 Primarv Drinkinl! Water Metals
The primary drinking water metals (barium, cadmium, chromium, lead, and silver) will
3-25
T-934PRPS.OO3-121093
,.-
I
I
Table 3-2. Analytical Techniques, Method Numbers, and Procedural Reference
Method Method
Method Analytical Number Number
Parameter Technique (Water) (Soils) Method Reference
pH (Field) Electrometric 150.1 N/A EPA, 1983
Temperature
(Field) Thermometric 170.1 N/A EPA, 1983
Specific Conduc-
tance (Field)
Electrometric 120.1 N/A EPA, 1983
Volatile Organic
Aromatics GC 602 8020 EPA, 1983; 1986
Polynuclear
Aromatic Hy-
drocarbons GC/HPLC 610 8310 EPA, 1983; 1986
Phenols GCIFID 604 8040 EPA, 1983; 1986
Arsenic Flame A.A 206.3 7061 EPA, 1983; 1986
Barium ICP 200.7 6010 EPA, 1983; 1986
Cadmium ICP 200.7 6010 EPA, 1983; 1986
Chromium ICP 200.7 6010 EPA, 1983; 1986
Lead ICP 200.7 7420 EP A, 1983; 1986
Mercury Flame AA. 245.1 7470 EPA, 1983; 1986
Selenium Flame. AA. 270.3 7741 EP A, 1983; 1986
Silver ICP 200.7 6010 EPA, 1983; 1986
Cyanide Spectrophotometric 335.2 9010 EPA, 1983; 1986
Notes: N/A = Not applicable.
GC = Gas chromatograph,
HPLC = High performance liquid chromatography.
FlD = Flame ionization detector.
ICP = Inductively coupled plasma.
Source: ECT, 1993.
EPA Chemical Methods for Chemical Analysis of Water and Wastes; 1983
EPA Test Methods for Evaluating Solid Wastes; 1992
3-26
T-934PRP4.014-121193
,.'
,
I
be analyzed by inductively coupled plasma technique, EP A Method 200.7 for
groundwater, or EP A Method 60 10 for soils. Arsenic and selenium will be analyzed
in groundwater and soils via flame atomic absorption and EP A Methods 206.3/7061 and
270.3/7741, respectively. Mercury will also be analyzed in groundwater and soils by
the manual cold vapor technique, flame atomic absorption, and EP A Methods
245.1/7470.
3.4.6.6 Total Cvanide
Total cyanide will be analyzed by the spectrophotometric method for water (EPA
Method 335.2) and the calorimetric method for soils (EPA Method 9010).
3.4.6.7 Solvents
Acetone, MEK, MIBK, trichlorofluoromethane, and dichlorodifluoromethane will be
analyzed by EPA Method 624 (water samples) and EPA Method 8040 (soil samples).
This method utilizes a gas chromatograph with mass spectrometric confIrmation.
3.4.7 HYDROGEOLOGIC EVALUATION
Lithologic information obtained from the soil borings will be utilized to construct
geologic cross sections to evaluate the spatial distribution of each geologic unit
encountered in three dimensions, Water level measurements will be obtained from all
site monitor wells. Water table elevation contour maps will be prepared and
groundwater flow directions' evaluated.
Single well aquifer tests (slug tests) will be conducted for each of the deep monitor
wells and their associated shallow monitor wells to determine the hydraulic conductivity
of the surficial aquifer underlying the site. During a slug test, a volume of water is
instantaneously displaced and the change in water level is monitored and recorded over
a period of time as the well returns to static equilibrium. ECT will utilize an Envirolab
data logger and pressure sensitive transducer to monitor and record water level changes
3-27
T-934PRPS.003-121093
..-
J
~
during slug testing. The aquifer response data collected during the slug test are
analyzed by computer using applicable equations of groundwater flow to calculate the
hydraulic conductivity at the specific well location. Computerized analytical methods
developed by Hvorslev (1951) and Bouwer and Rice (1976) will be applied to estimate
the hydraulic conductivity of the shallow aquifer at the site.
The site specific hydraulic conductivity will be used in conjunction with the measured
hydraulic gradient and an effective porosity to estimate the average linear groundwater
flow velocity through the surficial aquifer. Details of the hydrogeologic investigation
will be thoroughly described in the CAP.
3.5 TASK 4--PREPARATlON OF A CONTAMINATION ASSESSMENT
REPORT
The results of the investigation will be detailed in a CAR for submittal to the client and
legal counsel for review. The report will incorporate a description of all techniques and
procedures employed during the field investigation and data analysis tasks. A
description of the site operations and site specific physical, chemical and hYdrogeologic
characteristics will be detailed.
Where applicable, contaminant concentrations (isopleth contours) will be plotted on
base maps of the site delineating the areal and vertical extent of groundwater and soil
contamination. These plan view and cross-sectional maps may be used to estimate total
contaminant volumes present at the site.
3-28
T -934PRPS .003-121093
,
.
I
I
Table 5-1. Project Summary
Category Total
Labor $51,559.00
Laboratory Analyses $47,637.00
Subcontractor Services $19,492,50
Equipment Rental, OOCS $3,646.00
PROJECfTOTAL $122.334.50
Source: ECT, 1993.
T -934PRP4.016- IS-Feb-94
I
Table 5-2. Labor Costs
RATE
LABOR CATEGORY $/Hr
I
TOTAL
Task 1 Task 2 Task 3 Task 4 HOURS
..............-............
Pt.iJJ.t#P~Wi:}...........
Sr. Scientist
suffsCi€;iiust{.>
.....'................'.............-...'.'.-...............
Sr. Assoc. Scientist
sr"T~itidin..........
.". --.. ....-. --... -.-.
Gra phicslClerical
.. .._-.. --.,,- ,..--- ....
... - .-. -.-." -", ,.
............................98.00...
::-:::.:::::.:.:::;::::::><:<::;:/< ~ - : ."
90.00
."'.-,..--.. .-- .
..... ....1800
......_--... ---'-". . .
;: :::::;:.;;;>>:::<:>>:~:..: '.' . -:;
... .--..".-- ....
70.00
"'''', .---.........-......
......5.5..00....
...... ,"'. ,"
::-::;:-:-. "- -'~ :. . .:;
40.00
TOTAL
COSTS
Labor Task Subtotals
283
280
Notes:
Task 1 = Preparation of CAP, QAPP and HSP.
Task 2 = Preliminary Field Investigations.
Task 3 = Final Field Investigations.
Task 4 = Contamination Assessment Report Preparation.
Source: ECT, 1993.
5-3
67
......}..111
170
..............161..
88
739
............$7;448;00
$6,930.00
$l~~()~WO
$11,900.00
.)$8.$55.00
"'-"". ,.
$3,520.00
S51.559.00
T -934PRP4.017 -11- Dec-93
I
Table 5-3. Other Direct Costs (ODCs)
ECT
OVA
SurveyiDg Eqaip.
Roller Tape
WL IDdic:ator
O/W IDL Probe
Prod. Bailer
Haad Auger
DLIPT
SampliDg Meters
SampliDg Filter
Sampling Fee
Peristaltic: Pum p
Film/Developmeat
Com puter
Photoc:opyiq/BiDdiDg
Drafting Materials
TRAVEL- ECTTnac:t
ECTEQUIPMENTOoc. Subtotal: ..
LABORATORY SERVICES
GROUNDWATER (Standard Turaaroundl
Iteroseae Aaatrtical Groap
EPA Method 601/602 - VOCs, EDB, MTBE
EPAMetbod610 - PAH
EPA Method 418.1-TPH
"EPAMetbod604 - Pheaols
"EPA Metbod 3352 - CN
Primary Metals - (total aad diuolved)
EP A Method 624 - Acetoae, MEK, MIBK, Freon
Quality CODtrol Sam pies
GROUNDW A TER (24 -48 Hour Tuaaroaadl
EPA Metbod 6011602 - VOCs, EDB, MTBE
EP A Metbod 625 - Screen
"EP A Metbod 3352 - CN
SOILS (Staadard Turnaroundl
Iterole:ae Aaalytic:al Group
EP A Method 8010/8020 - VOCs,EDB, MTBE
EPA Metbod 8310 - PAH
EPA Method 418.1 - TPH
"EPA Metbod 8040 - Pheaols
'EP A Method 9010 - CN
Primary Metals
EPA Metbod 8240 - Ac:etoDe, MEK, MIBK, Freon
Quality CoDtrol Sam pies
. .n...'TE..... ...
:-:<::::::aft - ..:-:<'.:.:-::::::;.::::,::
..- - -.-,'-.--.-.
.... -.-".. -.. ---,
:.-B. R.:.::::::::::
:;>-:r - :>>":::::::::::::::":"
. ,." - -----..-.
.UlfIT>:.:.:..
98.00 / Day
57.50 / Day
11.50/ Day
11.50 / Day
25.00 / Day
17.50/ Day
11.50 / Day
230.00 / Day
34.50 / Day
17.50 / Filter
23.00 / Day
23.00 / Day
17.2S/Roll
11.50 / Hov
0.12/ Page
11.50/ Proi.
0.45 / Mile
361,00 / Sam ple
126.00 / Sample
31.50/ Sample
124.00 / Sample
158.00 / Sample
807.so / Sam pie
210.00 / Sample
735.00 / Sample
31.50/ Sample
32025 / Sample
126.00 / Sample
31.50/ Sample
124.00 / Sample
158.00 / Sample
759.75 / Sample
SOILS (24-48 Hour TvnarouDd)
EPA Metbod 8010/8020 - VOCs,EDB, MTBE
or EP A Method 8240 - Acetone, MEK, MIBK,
EPA Method 8270 - Screea 735.00 / Sample
OEPAMetbod3352 -CN 31.50/ Sample
LABORATORY SERVICES OOCS Subtotal:
SUBCONTRACTOR SERVICES
Subsurfac:e Tec:hDology (OPT)
OPT Rig - Field Team
MobilizatioD
Travel Ezpeases
Monitor Well Drilling Servic:es
Sballow (15') Moaitor Wells
Deep (30') Moaitor Wells
PROJECT OOCs TOTALS: :
210.00 / Sample
2625.00 / Day
262.so I EveDt
420.00 I Event
575.00 / Well
1037.00 / Well
I
.... ........- ..
.... ._-..... -.
,-,. -... ..".
:.::TOTAL::::..::
. ."" .
COSTS::.
10 5980.00
1 557.so
1 511.so
5 557.so
1 525.00
5 $87.so
10 5115.00
2 S460.oo
5 5172.50
21 536750
15 5345.00
5 5115.00
2 S34.so
44 5506.00
2SOO 5300.00
1 511.so
o SO.OO
. .. 53'646~00
20 57,3(iO.00
20 52,520.00
20 S63O.oo
40 54,960.00
20 53,160.00
3 S2,422.50
15 $3,ISO.oo
15 S11,02S.00
15 547250
6 51,921.50
6 5756.00
6 5189.00
6 5744.00
6 5948.00
2 51,519.50
6 51,260.:00
6 54,410.00
6 5189.00
~7'637:00
3 57,875.00
1 5262.50
1 5420.00
10 55,7SO.OO
5 55.185.00
S19,492.50
S70:ns.50
Source: ECI', 1994.
'ECI' will recomm..... DOIJd~le or trace CllIXIeDIraliClOl 01 my panmeur cIetected d..u. !be prelimiaary6e1d
in-aption be remowd from !be final COIIWIIiDalion -...ont lIDII)ticoIllIIdy.
'f -932LTSt.047
02/17/94 17:27 tt813 289 9388
) I
FeT-Tampa, Fla.
i4I 001
I
CLEARWATER MANUFACTURED GAS PLANT
ENVIRONMENTAL CONSULTING & TECHNOLOGY, INC.
PROFESSIONAL SERVlCBS FEE SCHEDULE
Labor Classification
Principal ScientistIEngin
Senior ScientistlEDgiDeer
Staff Scif"lltiqjEngineer
Senior Associate Scientist'Engineer
Associate ScientistlEngiDcer
Senior Technician
Technician
Graphics
Administrative Support
Rate Per Hour
$98.00
90.00
78.00
70.00
65.00
55.00
45.00
40.00
40.00
The above rates include all direct and indirect costs except reimbursablcs. Indirect costs
include such items as oveIbead, profit, and sm:h statutory and customary fringe benefits
as social secm:ity coDtrlbutions, sick leave, wemployment., excise and payroll taxes.
worker's compemation, health and ~wemem benefits, f)nnnQP.IIO:. annnal lca.ve. and
holiday pay.
Reimbmsable expenses shall mean the actWll expense of c.onsu1taDts' fees, subcoutractors'
fees, toll telephoue calli, facsimile tnnm1i~UoDS. reproduction of reports and other
project-related marcrials. expeDdable supplies directly used on the project. computer
chariest equipment use fees, and mmiltt project-related items. A five percent service
charge will be applied to all reimbursable expenses.