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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 /> 6020/6020A <br /> Sample ID Location (ft)Depth Date TPH-d TPH-mo Sb As Ba Be Cd Cr Co Cu Pb I Mo Ni 1 Se Ag V Zn Hg <br /> S613-2 Floor(bottom)- 2' 08/15/18 0.155 <br /> S6 excavation <br /> SP-1 SW excavation stockpile - 08/15/18 - 0.239 2.2 <br /> SP-2/SP-3 SW excavation stockpile 08/15/18 - - - 0.217 - <br /> SP-4 Client generated _ 08/15/18 - - - - 0.997 2.83 <br /> stockpile <br /> S12-2 sample point west of S5 2' 08/31/18 - - - 0.260 - <br /> Environmental Screening Levels-All Levels in miligram 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 /> California Hazardous Waste Limits(mg/1) - - - - - 5.0 - - 5.0 - - - - - - - <br /> SFBRWQCB ESL(Com) 140,000 <br /> Notes <br /> mglkg: <br /> DTSC-SL:Department of Toxic Substance Control Modified Screening Level(January 2018) <br /> EPA-RSL:IJSEPA 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 <br /> Be: Beryllium Ni: Nickle <br /> Cd: Cadmium Se: Selenium <br /> Cr: Chromium Ag: Silver <br /> Co: Cobalt TI: Thallium <br /> Cu: Copper V: Vanadium <br /> Zn: Zinc <br /> TTLC California Hazardous Waste Limit for Cr is 2,500 mg/kg and for Pb is 1,000 mg/kg <br /> STLC California Hazardous Waste Limit for Cr and Pb is 5.0 mgq <br /> SJCEHD:San Joaquin County Environmental Health Department <br /> AGE:Advanced GeoEnvironmental <br /> com:commerciaUndustrial land use <br /> res:residential land use <br />