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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-9-5 B-10-1 B-10-5 B-11-1 B-11-5 B-12-1 B-12-5 B-13-1 B-13-5 B-14-1 PRG'/TTLC' <br /> SAMPLE DEPTH 5' 1' 5' 1' 5' 1' 5' 1' 5' 1' <br /> SAMPLING DATE 5115108 5115108 5115108 5115108 5115108 5115108 5115108 5115108 5115108 5116108 <br /> otal PCBs ND<0.025 9.8 ND<0.025 ND<0.025 ND<0025 0.91 ND<0.025 9.9 0.031 0.044 0.74150 <br /> Petroleum Oil&Grease NA 3,900 NA ND<50 NA 160 NA 5,300 NA 1,300 2,50015,000- <br /> PH- <br /> ,000' <br /> PH-gasoline ND<1.0 4.2 ND<1.0 ND<1.0 ND<1.0 ND<1.0 ND<1.0 3.1 ND<1.0 3.6 180' <br /> PH-diesel ND<1.0 91 ND<1.0 ND<1.0 ND<1.0 16 ND<1.0 320 ND<1.0 2.7 180` <br /> PH-motor oil ND<5.0 590 ND<5.0 ND<5.0 ND<5.0 100 ND<5.0 1,000 ND<5.0 10 2,50015,000' <br /> ntimony ND<0.5 9.9 ND<0.5 ND<0.5 ND<0.5 2.8 0.51 0.69 0.73 4101500 <br /> rsenic 9.1 6.1 2.7 4.4 41 6.3 5.0 88 5.9 7.4 1.61500 <br /> Barium 190 210 280 100 340 250 120 1,400 210 200 67,000110,000 <br /> Beryllium 0.54 ND<0.5 0.55 ND<0.5 ND<0.5 ND<0.5 0.50 ND<0.5 0.69 0.72 1,900175 <br /> Cadmium ND<0.25 5.3 ND<0.25 ND<0.25 ND<0.25 1.5 ND<6,25 55 0.45 0.50 4501100 <br /> Chromium 50 65 48 23 41 39 40 2,500 58 60 45012,500 <br /> • <br /> cobalt 12 10 8.5 8.3 21 12 8.7 88 18 13 1,900/8,000 <br /> Copper 29 370 30 12 26 100 27 7,900 53 51 41,000/2,500 <br /> Lead 7.2 360 7.4 4.1 6.5 160 8.4 19,000 41 27 75011,000 <br /> Mercury ND<0.05 0.61 ND<0.05 ND<0.05 ND<0.05 0.22 ND<0.05 8.8 ND<0.05 0.16 310120 <br /> Molybdenum ND<0.5 6.9 ND<0.5 ND<0.5 0.98 2.4 0.52 260 1.2 2.7 5,100 3,500 <br /> ickel 38 100 37 23 34 47 32 1,200 49 56 20,000 2,000 <br /> Selenium ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 1.7 ND<0.5 ND<0.5 5,100/100 <br /> iIver ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.5 32 ND<0.5 ND<0.5 5,1001500 <br /> hallium ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND10.5 ND<0.5 ND<0.5 6.7 ND45 ND<O5 67/700 <br /> anadium 97 35 63 39 86 52 62 130 94 80 7,200/2,400 <br /> inc 74 4,600 71 37 60 860 90 280 150 1 100,000 15,000 <br /> cetone ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 ND<0.05 0.15 ND<005 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 0.022 ND<0.02 ND<0.02 27,000/- <br /> Styrene ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 0.0058 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<0005 ND<0.005 ND<0.005 ND<0.005 ND<0.005 - <br /> Bis(2-ethylhexyl)Phthalate ND<0.33 ND<16 ND<0.33 ND<0.33 ND<0.33 ND<3.3 ND<0.33 100 ND<0.33 ND<16 1201- <br /> ButylbenzylPhthalate ND<0.33 ND<16 ND<0.33 0<0.33 ND<0.33 ND<3.3 ND<0.33 27 ND<0.33 ND<16 100,0001- <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 /> . <br /> *San Francisco RWQCB ESLs(Environmental Screening Levels)for Industrial Land Use Only(<3'/>3'bgs)Tables B,D and FI-B <br /> Detectable 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 NO for Volatile Organic Compounds(VOCs)and Semi-Volatile Organic Compounds(SVOCs)except those listed. <br /> iii <br />