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• TABLE 1 - SUMMARY OF SOIL SAMPLE ANALYSIS <br /> THE LEARNER COMPANY, 2711 NAVY DRIVE, STOCKTON, CALIFORNIA <br /> WGR - MAY 2008 <br /> All concentrations presented in mg/Kg = parts per million (ppm) <br /> SAMPLE I. D. B-5-1 B-5-5 B-6-1 B-6-5 B-7-1 B-7-5 B-8-1 B-8-3 B-8-5 B-9-1 PRG'/TTLC' <br /> SAMPLE DEPTH 1' 5' 1' 5' 1' S' 1' 3' 5' 1' <br /> SAMPLING DATE 5114108 5/14108 5/14108 5114108 5114108 5114108 5115108 5115108 5115108 5115108 <br /> otal PCBs ND<0.12 ND<0.025 3.8 ND<0.025 0.073 ND<0.025 ND<2.5 ND<1.2 ND<0.025 4.4 0.74150 <br /> Petroleum Oil&Grease 330 NA 4,200 NA 73 NA 510 120 NA 10,000 2,50015,000- <br /> PH-gasoline ND<1.0 ND<1.0 4.4 ND<1.0 ND<1.0 ND<1.0 ND<1.0 2.1 ND<1.0 2.8 180' <br /> PH-diesel 43 ND<1.0 140 ND<1.0 1.8 ND<1.0 30 94 ND<1.0 450 180` <br /> PH-motor oil 180 ND<5.0 490 ND<5.0 9.8 ND<5.0 97 560 ND<5.0 1,800 2,500/5,000" <br /> ntimony 0.93 ND<0.5 47 ND<0.5 ND<0.5 ND<0.5 8.7 ND<0.5 ND<0.5 t:�l5 4101500 <br /> rsenic 11 2.3 17 7.9 7.3 6.9 28 5.5 8.9 41 1.6/500 <br /> arium 240 280 390 220 160 110 290 170 180 570 67,000110,000 <br /> Beryllium ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 0.70 0.72 ND<0.5 1,900175 <br /> admium 0.52 ND<0.25 14 ND<0.25 ND<0.25 ND<0.25 6.4 0.39 ND<0.25 15 4501100 <br /> hromium 56 50 440 34 44 49 88 48 63 100 45012,500 <br /> • obalt 11 18 23 15 11 8.0 12 9.7 15 17 1,900/8,000 <br /> opper 32 28 650 17 25 30 830 39 43 350 41,00012,500 <br /> Lead 47 7.0 1, 5.3 17 7.3 440 16 10 -1,200 75011,000 <br /> Mercury 0,088 ND<0.05 2.9 ND<0.05 ND<0.05 ND<0.05 0.42 0.076 ND<0.05 0.77 310120 <br /> Molybdenum 12 0.76 46 0.79 0.76 ND<0.5 7.4 2.5 0.69 6.1 5,100 3,500 <br /> Nickel 45 38 330 27 36 35 130 47 49 130 20,000 2,000 <br /> elenium ND<0.5 ND<0.5 3.3 ND<0.5 ND<0.5 ND<0.5 ND<0.5 0.57 ND<0.5 ND<0.5 5,1001100 <br /> ilver ND<0.5 ND<0.5 1.1 ND<0.5 ND<0.5 ND<0.5 0.78 ND<0.5 ND<0.5 0.62 5,100/500 <br /> hallium ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 671700 <br /> anadium 67 74 44 91 62 85 60 84 120 48 7,200 12,400 <br /> inc 140 58 36 85 69 86 89 4,200 100,000/5,000 <br /> cetone ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 0.15 0.073 ND<0.05 0.12 6,000/- <br /> -Butanone(MEK) ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 N04.02 27,000/- <br /> tyrene ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 1,700/- <br /> Naphthalene ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 - <br /> Bis(2-ethylhexyl)Phthalate ND<16 ND<0.33 ND<16 ND<0.33 ND<3.3 ND<0.33 ND<3.3 ND<0.33 ND<0.33 ND<16 1201- <br /> utylbenzylPhthalate ND<16 ND<0.33 ND<16 ND<0.33 ND<0.33 ND<0.33 ND<3.3 ND<0.33 ND<0.33 ND<16 100,000/- <br /> PRG:Preliminary Remedial Goal for industrial soil(US EPA Region 9,2004) <br /> 3 TTLC:Total Threshold Limit Concentration(CA Code of Regulations,Title 22 for CA regulated hazardous waste) <br /> • 'San Francisco RWQCB ESLs(Environmental Screening Levels)for Industrial Land Use Only(<3'/>3'bgs)Tables B,D and F1-13Detectable concentrations are highlighted in yellow. Concentrations exceeding PRG,TTLC and/or ESL limits are shown in bold. <br /> Concentrations exceeding TTI-Cs are highlighted in orange. NO:Not Detected at reporting limit listed NA:Not Analyzed <br /> All samples were NO for Volatile Organic Compounds(VOCs)and Semi-Volatile Organic Compounds(SVOCs)except those listed. <br />