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TABLE 4 <br /> ANALYTICAL RESULTS FOR LOT 2:OCPs,PCBs,and PNAs <br /> Stockton Promenade and Southpointe Properties <br /> Stockton,California <br /> WKA No.7345.04 and 7345.05 <br /> EPA Method 8081A EPA Method <br /> Sample Date Sample 8082A <br /> Sample ID1 Depth Sampled Area <br /> (feet bgs) Dieldrin Aldrin beta-BHC delta-BHC DDD DDE DDT Methoxychlor Toxaphene Aroclor 1260 <br /> TP-80-2 2 10/30/07 2S 210 <10 <100 <100 <150 <150 <150 <150 <200 --- <br /> TP-80-4 4 10/30/07 2S <5.0 <5.0 <50 <50 <75 <75 <75 <75 <100 --- <br /> TP-81-2 2 10/31/07 2S <5.0 <5.0 <50 <50 <75 <75 <75 <75 <100 --- <br /> TP-82-2 2 10/31/07 2S <5.0 <5.0 <50 <50 <75 <75 <75 <75 <100 --- <br /> TP-83-4 4 10/30/07 2S 940 53 <100 <100 <150 <150 <150 <150 <200 --- <br /> TP-83-6 6 10/30/07 2S <5.0 <5.0 <50 <50 <75 <75 <75 <75 <100 --- <br /> TP-84-2 2 10/30/07 2P <5.0 <5.0 <50 <50 <75 <75 <75 <75 <100 --- <br /> Residential SLs 34 39 na na 1,900 2,000 1,900 320,000 450 240 <br /> Commercial SLs 3,200 180 na na 6,200 9,300 7,100 2,600,000 1,200 600 <br /> Residential PRG 30 29 na na 2,400 1,700 1,700 310,000 440 na <br /> Commercial PRGs 110 100 na na 10,000 7,000 7,000 3,100,000 1,600 na <br /> Residential ESLs 34 32 na na 2,300 1,600 1,600 260,000 460 na <br /> Commercial ESLs 130 130 na na 9,000 4,000 4,000 260,000 1,800 na <br /> Groundwater Analytical Results <br /> Results reported in micrograms per liter(p/L) <br /> TP-81-GW I GW 10/31/07 2S <0.10 <0.05 <0.05 <0.05 <0.1 <0.1 <0.1 <0.5 <1.0 --- <br /> Residential ESLs 93 8.5 na na 80 20 1.5 20 140 na <br /> Commerical ESLs 93 8.5 na na 80 20 1.5 20 140 na <br /> Notes: <br /> bgs below ground surface <br /> mg/kg milligram per kilogram <br /> < less than laboratory reporting limit shown <br /> Bold detected concentration <br /> CHHSL California Human Health Screening Level(DTSC,2005) <br /> PRG Preliminary Remediation Goals(EPA,2004) <br /> ESL Environmental Screening Levels where groundwater is not a potential source for drinking water(RWQCB, <br /> 2007) <br /> --- not analyzed for specified parameter <br /> na Not available or established <br /> SP Southpointe Property <br /> PP Promenade Property <br /> PL samples collected from Pacific Legacy test pits <br /> Laboratory data sheets are presented in the attached CD-ROM. <br /> "TP-44 toTP-47 were skipped intervals <br /> WKA\S:\Dept.3\7345-OCP Tables sdm 3/26/2008 <br />