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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. S-3-3' S-6-1.5' B-1-1 B-1-5 B-2-1 B-2-5 B-3-1 B-3-5 B-4-1 B-4-5 PRG'/TTLC2 <br /> SAMPLE DEPTH 3' 1.5' 1' 5' 1' 5' 1' 5' 1' 5' <br /> SAMPLING DATE 518108 518108 5114108 5114108 5114108 5/14108 5114108 5114108 5114108 5114108 <br /> otal PCBs ND<0.12 ND<0.025 5.0 ND<12 ND<0.025 ND<0.025 7.5 ND<0.025 9.0 ND<0.025 0.74150 <br /> Petroleum Oil&Grease NA NA 2,700 NA 200 NA 1,800 NA 2,600 NA 2,500/5,000' <br /> PH-gasoline ND<1.0 ND<1.0 2.6 ND<1.0 ND<1.0 ND<1.0 4.0 ND<1.0 2.6 ND<1.0 180" <br /> PH-diesel ND4.o 4.3 84 34 7.9 ND<1.0 140 ND<1.0 190 ND<1.0 180' <br /> PH-motor oil 7.6 16 460 170 68 ND<5.0 550 ND<5.0 630 ND<5.0 2,500/5,000' <br /> ntimony 0.54 ND<0.5 12 2.5 ND<0.5 ND<0.5 61 ND<0.5 28 ND<0.5 410/500 <br /> rsenic 10 4.7 J44 <br /> 5 5.7 6.4 18 19 22 21 1.61500 <br /> Barium 260 170 0 180 220 430 190 340 730 67,000/10,000 <br /> eryllium ND<0.5 ND<0.5 1 0.52 0.53 ND<0.5 0.54 ND<0.5 0.62 1,900175 <br /> admium 0.90 ND<0.258 0.45 ND<0.25 19 ND<0.25 18 ND<0.25 450/100 <br /> hromium 54 13 47 47 420 48 190 52 45012,500 <br /> • obalt 9.7 1.2 12 27 24 11 17 36 1,900 8,000 <br /> opper 620 150 0 61 31 800 29 1,400 31 41,00012,500 <br /> Lead 30 80 0 33 9.1 2,000: 7.0 3,000 . 8.8 75011,000Mercury ND<0.05 0.0549 0.096 ND<0.05 31 ND<D.05 2.0 ND<0.05 310120Molybdenum 0.67 3.5 . .7 0.62 1.4 34 0.51 22 1.1 5,10013,500 <br /> Nickel 76 11 110 59 39 43 260 38 170 46 20,00012,000 <br /> elenium 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 5,1001100 <br /> Silver ND<0.5 ND<0.5 0.86 ND<0.5 ND<0.5 ND<0.5 1.1 ND<0.5 1.1 ND<0.5 5,1001500 <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 71 23 54 72 63 100 42 95 52 150 7,200/2,400 <br /> inc 3,700 490 1,800 680 92 60 62 4,600 62 100,00015,000 <br /> cetone ND<0.05 ND<0.05 0.29 0.10 ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 6,0001- <br /> -Butanone(MEK) ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 ND<0.02 I ND<0.02 ND<0.02 ND<0.02 27,0001- <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 1,7001- <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 /> is(2-ethylhexyl)Phthalate ND<1,6 ND<16 ND<66 ND<66 ND<3.3 ND<0.33 ND<33 IND<0331 ND<33 ND<0.33 1201- <br /> ButylbenzylPhthalate ND<1.6 ND<16 ND<66 ND<66 ND<3.3 I ND<0.33 ND<33 ND<0.33 I ND<33 ND<0.33 100,0001- <br /> PRG:Preliminary Remedial Goal for industrial soil(US EPA Region 9,2004) <br /> '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(<3'1>3'bgs)Tables B,D and F1-13D <br /> electable concentrations are highlighted in yellow. Concentrations exceeding PRG,TTLC and/or ESL limits are shown in bold. <br /> Concentrations exceeding TTLCs are highlighted in orange. ND: Not Detected at reporting limit listed NA: Not Analyzed <br /> All samples were ND for Volatile Organic Compounds(VOCs)and Semi-Volatile Organic Compounds(SVOCs)except those listed. <br />