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NOTICE OF INTENT TO USE ALTERNATIVE SOIL CLEANUP TARGET LEVELSJanuary 8, 2018 Florida Department of Environmental Protection Bob Martinez Center 2600 Blair Stone Road Tallahassee, Florida 32399-2400 CERTIFIED MAIL #7017 2400 0000 4427 1120 RETURN RECEIPT REQUESTED Rosemarie Call, City Clerk City of Clearwater 112 S. Osceola Ave. Clearwater, FL 33756 Rick Scott Governor Carlos Lopez-Cantera Lt. Governor Subject: Notice of Intent to Use Alternative Soil Cleanup Target Levels (ASCTLs) Firestone #19F5 (aka Tires Plus Total Car Care) 2601 US 19 N (aka 2610 Countryside Blvd.) Clearwater, Pinellas County FDEP Facility ID# 528734699 Dear Ms. Call: Noah Valenstein Secretary This letter serves as notice that the Florida Department of Environmental Protection (DEP) plans to utilize Alternative Soil Cleanup Target Levels (ASCTLs) as site-specific soil screening levels for BaP equivalents (BaP EQ) at the subject facility/site, where BaP EQs have been demonstrated to be a constituent of concern. The residential direct exposure Alternative SCTL of 1.0 mg/kg will be used at this site. In accordance with rule requirements of subsection 62-780.220(7), Florida Administrative Code (F.A.C.), the Person Responsible for Site Rehabilitation (PRSR) for a contaminated site is required to provide notification of intent to use Alternative Cleanup Target Levels (ACTLs) to the local government(s) with jurisdiction over the property(ies) subject to the ACTLs, to real property owner(s) of any property subject to the ACTLs, to any resident or business tenant, and to any party holding a materially affected encumbrance in the area subject to the ACTLs. www. dep. statefl. us InitialNoticeLessees&Tenants-092313 FDEP Facility ID# 528734699 Page 2 The petroleum contaminated site referenced above is eligible for cleanup funding from the DEP and in accordance with subsection 62-780.200(31), F.A.C., the PRSR is the DEP when the DEP is conducting the site rehabilitation at facilities with discharges eligible for cleanup funding. Therefore, this letter and attached tables provide you with a copy of the noticing information. In January 2017, the United States Environmental Protection Agency (USEPA) updated the toxicity values for Benzo(a)Pyrene based on new data that has become available for the compound. Following that update, the University of Florida used the USEPA toxicity values and the direct exposure alternative SCTL formula presented in Figure 5 of Chapter 62-777, F.A.C. (residential and industrial/commercial scenarios) and Figure 8 of Chapter 62-777, F.A.C. (leachability), to calculate ASCTLs for BaP EQ (Attachment A). The calculated ASCTLs are: Direct Exposure ASCTL Milligrams; per kilogram (mg/kg) Residential 1.0 Commercial/Industrial 3.1 Leachability to Groundwater 4.7 Please contact me at 850/877-1133, Ext. 3716 for further information or to inspect the facility file. Persons receiving this notice shall have the opportunity to comment on the DEP's proposed action within 30 days of receipt of this notice commencing on the date of receipt of this notice. Comments on this proposed agency action should be sent to me at the letterhead address, Mail Station 4590. The DEP will initiate use of the ASCTLs at the end of the 30 -day comment period. The DEP Facility Number for the source property is 52-8734699. Please use this identification number on all future correspondence with the DEP. ACTLNoticeLessees&Tenants FDEP Facility ID# 528734699 Page 3 If you have any questions, please contact me at 850/877-1133, Ext. 3716 or at the letterhead address, Mail Station 4590. Sincerely, Breck Dalton Site Manager Ecology and Environment, Inc. Petroleum Restoration Section 6 bdalton@ene.com ti 10 jie Felicia Mizener Contract Manager/Engineering Specialist III Petroleum Restoration Program Florida Department of Environmental Protection Felicia. Mizener(a�dep.state.fl. us Enclosures ec: Angelika Farina at earthsciencel@earthlink.net ACTLNoticeLessees&Tenants SB -4 2/2/17 2 -FT 0.354 0.5 SB -5 2/2/17 5 -FT 0.195 SB -10 6/14/17 2 -FT 0.0032 U 0.0 NC SB -10O MW -2 - SB -3 MW -4$ 0.3 SB -11 O SB -11 6/14/17 2 -FT 0.0033 U 0.0 SB -8 SB -8 3/13/17 3/13/17 1 -FT 5 -FT 0.0038 U 0.004 U 0.0 0.0 0 SERVICE) GARAGE SB -4 SB-5/MW-1 -1 FORMER USED OIL UST PIT SB -2 MW -3 ®SB -8 (.,, <r,J S.,_ ,.._., • K^"CE '.)OR SB -7 SB -7 3/13/17 3/13/17 1 -FT 5 -FT 0.0038 U 0.0044 U 0,0 0.0 OSB -7 PARKING, SB -6 SB -6 3/13/17 3/13J17 1 -FT 5 -FT 0.523 0.0043 U 0.8 0.0 0' 40' SCALE: 1 "=40' ,ANDSC- AREA LEGEND UO - USED OIL AST OWS - OIL -WATER SEPARATOR NO - NEW OIL ASTS (3) O SOIL BORING LOCATION 41- MONITOR WELL LOCATION WELL ID DATE DEPTH BENZO(A)PYRENE BENZO(A)PYRENE EQUIVALENTS CONCENTRATION, IN ppm U NOT DETECTED —0.1— BENZO(A)PYRENE DE CTL, 0.1 ppm SOURCE: FGS, INC., 1995 FIGURE 3 BENZO (A) PYRENE IN SOIL TIRES PLUS TOTAL CAR CARE (Formerly Firestone #19F5; Facility ID 52-8734699) 2601 US 19 N (AKA 2610 COUNTRYSIDE BLVD), CLEARWATER, FLORIDA LETTER REPORT Earth Science, Inc. 2405 FOX FOREST DRIVE LUTZ, FLORIDA 33549 PH: (616) 891-0764 Florida Department of Environmental Protection -- Bureau of Petroleum Storage Systems TABLE 2: SOIL ANALYTICAL SUMMARY - Carcinogenic PAHs Facility Name/Location: Facility ID #: Firestone #19F5 (AKA Tires Plus Total Car Care) 2601 US 19 N (AKA 2610 Countryside Blvd), Clearwater, FL 52/8734699 Sample OVA Laboratory Analyses Boring/ Well No. Date Collected Depth to Water (ft) Sample Interval (fbls) Net OVA Reading (ppm) Benzo (a) pyrene (mg/kg) Benzo (a) anthra- cene (mg/kg) Benzo (b) fluoran- thane (mg/kg) Benzo (k) fluoran- thene (mg/kg) SB -402 -ft 2/2/2017 8.8 2 0.4 0.354 0.262 0.569 0.316 SB -5@5 -ft 2/2/2017 8.8 5 0 0.195 '< 0.189 0.338 0.124 SB -601 -ft 2/2/2017 8.8 5 0 0.523 0.655 0.681 0.378 SB -6@5 -ft 3/13/20)7 -9 5 0 0.0043 U 0.0043 U 0.0043 U 0.0043 U SB -7@1 -ft 3/13/2017 -9 1 0 0.0038 U 0.0038 U 0.0038 U 0.0038 U SB -7@5 -ft 3/13/2017 -9 5 0 0.0044 U 0.0044 U 0.0044 U 0.0044 U SB -8@1 -ft 3/13/2017 -9 1 0.1 0.0038 U 0.0038 U 0.0038 U 0.0038 U SB -8@5 -ft 3/13/2017 -9 5 0 0.004 U 0.004 U 0.004 U 0.004 U SB -902' 6/14/2017 -9 2 0 0.0447 0.0362 0.0741 0.0506 SB -1002' 6/14/2017 -9 2 0.1 0.0032 U 0.0032 U 0.0032 U 0.0032 U SB -11@2' 6/14/2017 -9 2 0 0.0033 U 0.0033 U 0.0033 U 0.0033 U Leachability Based on Groundwater Criteria (mg/kg) 8 0.8 2.4 24 Direct Exposure Residential (mg/kg) 0.1 # # 0.0033 U Alternate Direct Exposure Residential (mg/kg) - Per UF Letter Report, dated 8 1 Leachability Based on Groundwater Criteria (mg/kg) 77 0.7 Sample OVA Laboratory Analyses Comments Boring/ Well No. Date Collected Depth to Water (ft) Sample p Interval (fbls) Net OVA Reading (ppm) Chry-(a,h) sene (mg/kg) Dibenz anthra- cene (mg/kg) Indeno (1,2,3 -cd) pyrene (mg/kg) Benzo (a) pyrene equivalent (mg/kg) SB -4@2 -ft 2/2/2017 8.8 2 0.4 0.449 0.071 0.340 0.5 SB -5@5 -ft 2/2/2017 8.8 5 0 0.284 0.045 0.201 0.3 SB -6@1 -ft 2/2/2017 8.8 5 0 0.817 0.112 0.466 0.8 SB -6@5 -ft 3/13/2017 -9 5 0 0.034 U 0.0043 U 0.0043 U 0.0 SB -7@1 -ft 3/13/2017 -9 1 0 0.031 U 0.0038 U 0.0038 U 0.0 SB -7@5 -ft 3/13/2017 -9 5 0 0.035 U 0.0044 U 0.0044 U 0.0 SB -8@1 -ft 3/13/2017 -9 1 0.1 0.031 U 0.0038 U 0.0038 U 0.0 SB -8@5 -ft 3/13/2017 -9 5 0 0.032 U 0.004 U 0.004 U 0.0 SB -9@2' 6/14/2017 -9 2 0 0.073 0.00591 0.0366 0.1 SB -10@2' 6/14/2017 -9 2 0.1 0.0032 U 0.0032 U 0.0032 U 0.0 SB -11@2' 6/14/2017 -9 2 0 0.0033 U 0.0033 U 0.0033 U 0.0 Leachability Based on Groundwater Criteria (mg/kg) 77 0.7 6.6 ** Industrial Direct Exposure CTL (mg/kg) 0.7 Direct Exposure Residential CTL (mg/kg) # # # 0.1 Alternate Direct Exposure Residential (mg/kg) - Per UF Letter Report, dated 811/17 1 Source: SGS Accutest Laboratories, Inc., 2017 Notes: NA = Not Available. I = Indicates a result > = MDL but < PQL J = Estimated Value NS = Not Sampled. N = Indicates presumptive evidence of a compound V = Indicates analyte found in associated method blan Bolded value exceeds the DE Residential CTL, but are less than the Alternate DE Residential CTL ** = Leachability value not applicable. # = Direct Exposure value not applicable except as part of the Benzo(a)pyrene equivalent. Tables Tires Plus 52 8734699 Page 1 of 1 Rev. 06/2009 Benzo(a)pyrene Conversion Table 10/10/2017 Benzo(a)pyrene Conversion Table For Direct Exposure Soil Cleanup Target Levels Instructions can be found below the table Facility/Site Name: Tires Plus Total Car Care Site Location: 2601 US 19 N (AKA 2610 Countryside Blvd.), Clearwater, FL Facility/Site ID No.: 52/8734699 TEF = Toxic Equivalency Factor SCTL Type Value Units Residential Direct Exposure SCTL 0.1 mg/kg Industrial Direct Exposure SCTL 0.7 mg/kg Altemative SCTL (Optional) 1 mg/kg Site Specific Background (Optional) mg/kg Sample Location: Depth (ft): SB-4@2Ft 2/2/2017 SB -4 SB-5@5FT 2/2/2017 SB -5 5 SB -6@1 FT 3/13/2017 SB -6 SB-6@5FT 3/13/2017 SB -6 SB -7@1 FT 3/13/2017 SB -7 SB-7@5FT 3/13/2017 SB -7 SB -8@1 FT 3/13/2017 SB -8 SB-8@5FT 3/13/2017 SB -8 SB -9 @ 2' 6/14/2017 SB -9 SB -10 @ 2' 6/14/2017 SB -10 Contaminant Concentrations Contaminant Benzo a) • rene Benzo a anthracene Benzo b fluoranthene Benzo k fluoranthene Dibenz a,h anthracene TEF 1.0>r, 0.1 0.1 0.01 0.001 1.0 SB-4@2Ft (mg/kg) 0.354 0.262 0.569 0.206 0.449 0.071 0.34 SB-5@5FT (mg/kg) 0.195 0.189 0.338 0.124 0.284 0.045 0.201 SB -6@1 FT (mg/kg) 0.523 0.655 0.681 0.378 0.817 0.112 0.466 SB-6@5FT (mg/kg) 0.00215 0.00215 0.00215 0.00215 0.017 0.00215 0.00215 SB -7@1 FT (mg/kg) 0.0019 0.0019 0.0019 0.0019 0.0155 0.0019 0.0019 SB-7@5FT (mg/kg) 0.0022 0.0022 0.0022 0.0022 0.0175 0.0022 0.0022 SB -8@1 FT (mg/kg) 0.0019 0.0019 0.0019 0.0019 0.0155 0.0019 0.0019 SB-8@5FT (mg/kg) 0.002 0.002 0.002 0.002 0.016 0.002 0.002 SB -9 CO 2' (mg/kg) 0.0447 0.0362 0.0741 0.0506 0.073 0.0059 0.0366 SB -10 © 2' (mg/kg) 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 0.0016 Benzo(a)p rene Equivalents Contaminant Benzo a • rene Benzo a anthracene Benzo b fluoranthene Benzo k fluoranthene Ch sane Dibenz a h anthracene Indeno 1 2 3 -cd • rene TEF 111111111111111 11111111111111111 0.01 0.001 ew 0.3540 0.0262 0.0569 0.0021 0.0004 0.0710 0.0340 0.1950 0.0189 .0338 0.0012 0.0003 0.0450 0.0201 YG 0.5230 0.0655 0.0681 0.0038 0.0008 =IMMO 0.0466 0.0022 0.0002 0.0002 0.0000 0.0000 0.0022 0.0002 0.0019 0.0002 0.0002 I' 0.0000 0.0000 0.0019 0.0002 0.0022 0.0002 0.0002 0.0000 0.0000 0.0022 0.0002 0.0019 0.0002 0.0002 0.0000 0.0000 0.0019 0.0002 IBM 0.0020 0.0002 0.0002 0.0000 0.0000 0.0020 0.0002 0.0036 0.0074 0.0005 0.0001 0.0059 0.0037 0.0016 0.0002 0.0002 =_ 0:0000 0.0000 0.0016 0.0002 Total E • uivalents Total Benzo(a)p rene Equivalents 0.5 0.3 0.8 0.0 0.0 0.0 0.0 0.0 0.1 0.0 Comparisons to SCTLS' Does This Sample Exceed: The Residential Direct Exposure SCTL of 0.1 mg/kg? The Industrial Direct Exposure SCTL of 0.7 mg/kg? The Alternative SCTL of 1 mg/kg? No Site Specific Background Given SB-4@2Ft (mg/kg) SB-5@5FT (mg/kg) SB -8@1 FT (mg/kg) SB-6@5FT (mg/kg) OK N/A N/A N/A SB -7@1 FT (mg/kg) N/A SB-7@5FT (mg/kg) N/A SB -8@1 FT (mg/kg) N/A SB-8@5FT (mg/kg) N/A SB -9 @ 2' (mg/kg) SB -10 @ 2' (mg/kg) K Copy of BaPConveraionTableMUltiSample_20Jan16-Page 11B(a)p TEQs page 1 of 1 Benzo(a)pyrene Conversion Table 8/10/2017 Benzo(a)pyrene Conversion Table For Direct Exposure Soil Cleanup Target Levels Instructions can be found below the table Facility/Site Name: Tires Plus Total Car Care Site Location: 2601 US 19 N (AKA 2610 Countryside Blvd.), Clearwater, FL Facility/Site ID No.: 52/8734699 TEF = Toxic Equivalency Factor SCTL Type Value Units Residential Direct Exposure SCTL 0.1 mg/kg Industrial Direct Exposure SCTL 0.7 mg/kg Altemative SCTL (Optional) 1 mg/kg Site Specific Background (Optional) mg/kg Soil Sample # SB -11 @ 2' Sample Date 6/14/2017 Sample Location: SB -11 Depth (ft): 2 Contaminant Concentrations Contaminant TEF SB -11 @ 2' (mg/kg) Benzo(a)pyrene 1.0 0.00165 Benzo(a)anthracene 0.1 0.00165 Benzo(b)tluoranthene 0.1 0.00165 Benzo(k)fluoranthene Chrysene 0.01 0.00165 0.001 0.00165 Dibenz(a,h)anthracene', 1.0 0.00165 Indeno(1,2,3-cd)pyrene 0.1 0.00165 Benzo(a)pyrene Equivalents Contaminant TEF (mg/kg) Benzo(a)pyrene 1.0 0.0017 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Benzo(a)anthracene 0.1 0.0002 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Benzo(b)fluoranthene 0.1 0.0002 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0,0000 Benzo(k)fluoranthene 0.01 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Chrysene 0.001 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Dibenz(a h)anthracene 1.0 0.0017 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Indeno(1,2,3-cd)pyrene 0.1 - 0.0002 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 Total Equivalents Total Benzo(a)pyrene Equivalents 1 0.0 0.0 0.0 0.0 1 0.0 0.0 0.0 0.0 1 0.0 1 0.0 Comparisons to SCTLs Does This Sample Exceed: SB -11 @ 2' (mg/kg) The Residential Direct Exposure SCTL of 0.1 mg/kg? The Industrial Direct Exposure SCTL of 0.7 mg/kg? The Alternative SCTL of 1 mg/kg? No Site Specific Background Given N/A 0I N/A, N/A N/A N/A N/A N/A 0 N/A N/A K K N/A Copy of BePConvereionTableMultiSample_20Jan16-page 2\B(a)p TEQs page 1 of 1