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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 /> Depth 6020/6020A <br /> Sample ID Location (n) Date TPH-d TPH-mo Sb As Ba Be Cd Cr Co Cu Pb Mo Ni Se Ag V Zn Hg <br /> S6SW-N north sidewall-S6 2' 08/15/18 <10 <50 <1.0 1.93 137 <0.5 <0.5 54.5 13.4 24.4 4.25 <5.0 38.0 <1.0 <1.0 45.9 56.0 <0.01 <br /> excavation <br /> S6B-2 Floor(bottom)-S6 2' 08/15/18 <10 <50 <1.0 2.58 144 <0.5 <0.5 56.9 13.6 26.1 4.74 <5.0 39.8 <1.0 <1.0 48.5 60.4 0.013 <br /> excavation <br /> S6SW-S south sidewall-S6 2' 08/15/18 66.2 191 <1.0 6.06 152 <0.5 <0.5 55.7 14.2 28.8 7.14 <5.0 22.2 <1.0 <1.0 48.2 70.9 0.014 <br /> excavation <br /> SP-1 SW excavation stockpile - 08/15/18 464 1,550 <1.0 7.07 229 <0.5 <0.5 61.6 15.0 39.3 66.3 <5.0 46.6 <1.0 <1.0 50.2 211 0.050 <br /> SP-2/SP-3 SW excavation stockpile 08/15/18 27.4 134 <1.0 7.76 156 <0.5 <0.5 54.5 14.2 28.2 17.6 <5.0 38.3 <1.0 <1.0 46.9 84.9 0.047 <br /> SP-4 Client generated 08/15/18 226 924 <1.0 19.5 204 <0.5 1.29 63.9 14.3 58.4 96.8 <5.0 25.6 <1.0 <1.0 41.1 416 0.323 <br /> stockpile <br /> S12-2 sample point west of S5 2' 08/31/18 10.9 <10 89.0 - - 7.14 <br /> STLC:results in milligrams per liter(mg/1) <br /> Samples collected by SJCEHD <br /> S1 Used Oil Storage Area01/18/18 9.55 45.9 <br /> S3 SE Corner Pad 01/18/18 -T 1.69 <br /> Samples collected by AGE <br /> floor(bottom)-SW <br /> B-5 5' 08/15/18 i 0.164 <br /> excavation 0 \ -- <br /> sample point west of SW1( <br /> SS-2 2' 08/15/1 B f♦� 1.20 7.25** <br /> excavation <br /> sample point west of <br /> SS-5 main excavation 5' 08/15/18 0.216 <br /> \„ -� - <br /> S6-5 sample point east of SW 5 08/15/18 V 0.092 <br /> _ excavation <br /> $7-2 sample point east of S6 2' 08/15/18 - 0.295 <br /> S8-2 sample point north of 2' 08/15/18 0.101 <br /> main excavation <br /> S9-2 sample point north of S6 2' 08/15!18 0.270 <br /> excavation <br /> S11-2 sample point northeast 2' 08/15/18 0.115 <br /> of S9 <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 />