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TABLE 2ANALYTICAL RESULTS OF SOIL SAMPLES: TTLC METALSFormer San Joaquin Cogeneration17200 Murphy Parkway, Lathrop, California(mg/kg)7471Sb As Ba Be Cd Cr Co Cu Pb Mo Ni Se Ag V Zn Hg6010BDateSample ID - Depth feetB35-5 03/14/19 <1.0 2.8 122 <1.0 <1.0 18.7 7.7 16.8 5.4 <1.0 1.8 <0.5 <1.0 88.6 62.1 <0.1B35-10 (Waste) 03/14/19 <1.0 0.36 7.1 <1.0 <1.0 12.2 5.7 26.7 4.8 <1.0 <1.0<0.5 <1.0 2.5 25.1 <0.1B36-6 (Waste) 03/15/19 <1.0 1.2 61.7 <1.0 <1.0 13.2 14 26.3 9.0 <1.0 <1.0 <0.5 <1.0 73.9 36.7 <0.1B40-8 (Waste)03/15/19--------8.2-------B40-13 03/15/19 <1.0 2.8 60.8 <1.0 <1.0 18.6 7.1 15.5333.0<1.0 3.3 <0.5 <1.0 65.4 130 <0.1B40-13 (STLC)03/15/19--------1.56*-------B40-1703/15/19--------24.5-------B43-5 03/15/19 <1.0 1.7 77.5 <1.0 <1.0 14.3 9.2 25.8 18.4 <1.0 <1.0 <0.5 <1.076.1 81.3 <0.1MW1-5 04/02/19 <1.0 1.5 38 <1.0 <1.0 8.1 4.1 7.8 <1.0 <1.0 <1.0 <0.5 <1.0 38.826.3 <0.1MW2-5 04/02/19 <1.0 1.1 55.9 <1.0 <1.0 13.5 4.8 8.1 1.5 <1.0 3.0 <0.5 <1.0 48.8 27.0 <0.1MW3-5 04/02/19 <1.0 0.6 34.7 <1.0 <1.0 9.8 4.3 8.6 <1.0 <1.0 <1.0 <0.5 <1.0 37.5 22.5 <0.1MW4-6 04/02/19 <1.0 1.5 51.7 <1.0 <1.0 13.9 7.1 6.1 1.4 <1.0 <1.0 <0.5 <1.0 64.4 30.0 <0.1160 0.31 220,000 6,900 4,000 1.8+6 1,900 47,000 380 5,800 64,000 5,800 5,800 5,800 35,000 190- 0.36 - 6,900 9,300 170,000 - - 320 - 64,000 - 1,500 1,000 - 4.4470 3.0 220,000 2,300 980 1.8+6 350 47,000 800 5,800 22,000 5,800 5,800 5,800 35,000 46500 500.0 10,000 75 100 2,500 8,000 2,500 1,000 3,500 2,000 100 500 2,400 5,000 20Notes:-: not analyzedmg/kg: milligrams per kilogram TTLC: Total Threshold Limit Concentration<1.0: below reporting limitESL San Francisco Bay RWQCB Environmental Screening Levels-for commerical/industrial shallow soil exposure Jan. 2019DTSC-SL Department Toxic Substace Control (DTSC) HERO Note 3- Sreening Levels for commercial/industrial soil April 2019EPA-RSL US EPA Region 9 - Regional Sreening Levels for industrial soil November 20186010 EPA MethodSb: Antimony Pb: Lead Zn: ZincAs: Arsenic Hg: MercuryBa: Barium Mo: MolybdenumBe: Beryllium Ni: NickelCd: Cadmium Se: SeleniumCr: Chromium Ag: SilverCo: Cobalt Tl: ThalliumCu: Copper V: VanadiumDTSC-SLCA Hazardous Waste LimitsESLEPA-RSL