|
TABLE 6
<br /> ANALYTICAL RESULTS FOR LOT 1: 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-28-6C 6 08/15/07 is <2.5 1.4 320 0.73 <0.5 63 20 38 5.1 <0.1 1.8 50 <1.0 <0.5 <1.0 73 56
<br /> TP-29-2A 2 08/15/07 is <2.5 3.0 160 <0.5 <0.5 35 11 31 22 0.23 1.1 28 <1.0 <0.5 <1.0 49 100
<br /> TP-29-2B 2 08/15/07 is <2.5 2.3 120 <0.5 <0.5 25 7.1 1 22 14 <0.1 <1.0 24 <1.0 1 <0.5 <1.0 33 60
<br /> TP-29-2C 2 08/15/07 is <2.5 3.1 130 <0.5 <0.5 32 8.0 29 35 0.17 <1.0 22 <1.0 <0.5 <1.0 38 170
<br /> TP-29-6A 6 08/15/07 is <2.5 1.6 270 0.89 0.57 68 17 39 9.5 <0.1 1.5 47 <1.0 <0.5 <1.0 81 69
<br /> TP-29-613 6 08/15/07 is <2.5 1.7 310 0.85 <0.5 66 15 37 9.6 <0.1 1.6 44 <1.0 <0.5 <1.0 77 63
<br /> TP-29-6C 6 08/15/07 is <2.5 1.8 310 0.86 <0.5 67 16 36 7.4 <0.1 1.1 42 <1.0 <0.5 <1.0 72 61
<br /> TP-85-2 2 10/30/07 is <2.5 5.0 130 <0.5 <0.5 34 9.5 23 7.8 <0.1 2.8 29 <1.0 <0.5 <1.0 45 58
<br /> TP-86-3 3 10/30/07 is <2.5 4.8 300 <0.5 0.62 36 11 42 100 0.15 1.2 28 <1.0 <0.5 <1.0 46 440
<br /> TP-87-3 3 10/30/07 is <2.5 5.0 140 <0.5 <0.5 41 11 26 26 0.13 <1.0 27 <1.0 <0.5 <1.0 48 68
<br /> TP-88-2 2 10/30/07 1 P <2.5 5.6 100 <0.5 <0.5 24 7.9 13 8.8 <0.1 <1.0 22 <1.0 <0.5 <1.0 35 66
<br /> TP-89-2 2 10/30/07 1 P <2.5 4.4 120 <0.5 <0.5 42 11 27 8.0 0.14 <1.0 28 <1.0 <0.5 <1.0 50 62
<br /> TP-90-2 2 10/30/07 1 P <2.5 9.1 130 <0.5 <0.5 33 9.8 30 23 0.12 <1.0 25 <1.0 <0.5 <1.0 41 160
<br /> Residential SLs na na 16 71 100,000 660 3,000 80 1 380 820 380 380 5.0 530 23,000
<br /> Commercial SLs na na 230 7.5 100,000 3,200 38,000 320 4.4 4,800 11,000 4,800 4,800 63 6,700 100,000
<br /> Residential RSLs %1 0.39 15,000 150 71 210 23 3,100 400 23 390 1,600 390 390 0.78 390 23,000
<br /> Commercial RSLs 410 1.6 220,000 1,900 980 450 350 47,000 800 310 5,800 20,000 5,800 5,800 12 5,800 350,000
<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(u/L)
<br /> TP-86-GW GW 10/30/07 1S <50 7.7 97 <5.0 <10 34 <20 <20 <5.0 <0.20 <20 <20 <5.0 <10 <10 49 <20
<br /> Residential ESLs 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000
<br /> Commercial ESLs 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 50,000 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 /> *TP-44 toTP-47 were skipped intervals
<br /> WKA\S:\Dept.3\7345-CAM 17 Tables 3/26/2008
<br />
|