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TABLE 1 <br /> ANALYTICAL RESULTS OF SOIL SAMPLES: METALS <br /> Global Materials Management <br /> 1640 Broadway Avenue, Stockton, California <br /> (mg/kg) <br /> Sample 6020/6020A <br /> ID/Location Date <br /> �Sb I As Ba Be Cd Cr Co Cu Pb Mo Ni Se Ag V Zn Hg TPH-mo <br /> TTLC: Soil samples collected at approximate depths between 1 and 2 feet below surface-milligrams per kilogram(mg/kg) <br /> S1 (Used Oil 01/18/18 1.5 14 920 <0.5 4.5 180 9.2 140 450 5.8 40 0.9 <1.0 24 2,300 0.8 4,790 <br /> Storage Area) <br /> S2(NE Corner 01/18/18 <0.5 1.1 38 <0.5 <0.5 4.9 2.7 5.0 4.0 0.2 5.9 <0.5 <1.0 14 19 <0.5 839 <br /> Pad) <br /> S3(SE Corner 01/18/18 0.5 3.4 330 <0.5 0.7 43 9.4 37 70 2.5 41 1.0 <1.0 28 180 <0.5 387 <br /> Pad) <br /> S4(E Side of 01/18/18 <0.5 3.4 250 <0.5 0.7 39 7.3 37 31 1.6 32 0.7 <0.5 29 130 <0.5 180 <br /> Property <br /> STLC:results in milligrams per liter(mg/1) <br /> S1 (Used Oil <br /> Storage Area) 01/18/18 - 9.55 45.9 - - _ <br /> S3(SE Corner 01/18/18 <br /> Pad 1.69 - _ <br /> Environmental Screening Levels-All levels in milligram per kilogram(mg/kg) <br /> DTSC-SL(com) 0.36 690 930 170,000 320 64,000 1,500 1,000 23 - <br /> DTSC-SL(res) 0.07 15 5.2 36,000 80 490 390 390 4.5 - <br /> EPA-RSL(com) 470 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 46 - <br /> EPA-RSL(res) 31 0.7 15,000 160 71 120,000 23 3,100 400 390 1,500 390 390 390 23,000 5.1 - <br /> SFBRWQCB ESL(Com) <br /> Notes <br /> mg/kg: <br /> DTSC-SL:Department of Toxic Substance Control Modified Screening Level(January 2018) <br /> EPA-RSL:USEPA Region 9 Regional Screening Levels(November 2017) <br /> SFBRWQCB ESL:San Francisco Bay Area Regional Water Quality Control Board Environmental Screening Levels(Feb 2016) <br /> Sb: Antimony Pb: Lead <br /> As: Arsenic Hg: Mercury <br /> Ba: Barium Mo: Molybdenum TTLC California Hazardous Waste Limit for Cr is 2,500 mg/kg and for Pb is 1,000 mg/kg <br /> Be: Beryllium Ni: Nickle STLC California Hazardous Waste Limit for Cr and Pb is 5.0 mg/I <br /> Cd: Cadmium Se: Selenium <br /> Cr: Chromium Ag: Silver <br /> Co: Cobalt TI: Thallium <br /> Cu: Copper V: Vanadium Zn: Zinc <br />