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TABLE 7
<br /> ANALYTICAL RESULTS FOR LOT 2: CAM-17 METALS
<br /> Stockton Promenade and Southpointe Properties
<br /> Stockton, California
<br /> WKA No. 7345.04 and 7345.05
<br /> Sample EPA Method 6000/7000
<br /> Sample ID' Depth Date Sample
<br /> (feet bgs) Sampled Area Antimony Arsenic Barium Beryllium Cadmium Chromium Cobalt Copper Lead Mercury Molybdenum Nickel Selenium Silver Thallium Vanadium Zinc
<br /> TP-51-5C 5 08/16/07 2S <2.5 3.1 370 0.53 0.57 54 16 41 13 0.23 1.2 44 <1.0 <0.5 <1.0 73 65
<br /> TP-76-2 2 10/30/07 2S <2.5 5.0 180 0.64 <0.5 43 14 34 25 0.17 <1.0 34 <1.0 <0.5 <1.0 60 69
<br /> TP-77-4 4 10/30/07 2S <2.5 5.4 210 0.62 1 <0.5 50 12 51 1 120 0.18 <1.0 41 <1.0 <0.5 <1.0 59 130
<br /> TP-78-2 2 10/31/07 2S <2.5 6.1 220 0.61 0.59 47 12 42 94 0.19 <1.0 39 <1.0 <0.5 <1.0 58 110
<br /> TP-79-2 2 10/30/07 2S <2.5 9.7 390 0.81 <0.5 55 13 61 130 2.3 <1.0 40 <1.0 <0.5 <1.0 64 140
<br /> TP-80-2 2 10/30/07 2S <2.5 5.3 150 0.54 <0.5 40 12 31 23 0.22 <1.0 31 <1.0 <0.5 <1.0 55 89
<br /> TP-81-2 2 10/31/07 2S <2.5 4.4 120 <0.5 <0.5 37 14 24 5.2 <0.1 <1.0 29 <1.0 <0.5 <1.0 53 43
<br /> TP-82-2 2 10/31/07 2S <2.5 5.3 160 0.56 1.1 44 14 31 20 0.17 <1.0 34 <1.0 <0.5 <1.0 59 330
<br /> TP-83-4 4 10/30/07 2S <2.5 3.5 150 <0.5 <0.5 34 10 30 21 0.20 <1.0 26 <1.0 <0.5 <1.0 50 98
<br /> TP-84-2 2 10/30/07 2P <2.5 5.1 310 0.66 <0.5 54 16 40 11 <0.1 1.0 39 <1.0 <0.5 <1.0 76 53
<br /> Residential CHHSLs 30 0.07 5,200 150 1.7 100,000 660 3,000 150 18 380 1,600 380 380 5.0 530 23,000
<br /> Commercial CHHSLs 380 0.24 6,300 1,700 7.5 100,000 3,200 38,000 3,500 180 4,800 16,000 4,800 4,800 63 6,700 100,000
<br /> Residential PRGs 31 0.39 5,400 150 37 210 900 3,100 400 23 390 1,600 390 390 5.2 78 23,000
<br /> Commercial PRGs 410 2 67,000 1,900 450 450 1,900 41,000 800 310 5,100 20,000 5,100 5,100 67 1,000 100,000
<br /> Residential ESLs 6.1 0.38 750 4.0 1.7 na 40 230 200 1.0 40 150 10 20 1.2 15 600
<br /> Commercial ESLs 40 1.5 1,500 8.0 7.4 na 80 230 750 10 40 150 10 40 15 190 600
<br /> Groundwater Analytical Results
<br /> Reported in micrograms per liter(p IL)
<br /> TP-81-GW GW 10/31/07 2S <50 33 68 <5.0 <10 <20 1 <20 1 <20 1 <5.0 <0.20 21 <20 <5.0 <10 <10 <20 <20
<br /> Residential ESLs 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000
<br /> Commercial ESLs 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000 1 50,000
<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
<br /> water(RWQCB, 2007)
<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 /> STP-44 toTP-47 were skipped intervals
<br /> WKA\S:\Dept.3\7345-CAM 17 Tables 3/26/2008
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