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p�h /� 1534 Willow Pass Pittsburg,CA 94565-1701 <br /> M C C a m.�bel I A l Vti C a 1,6 I n C. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Qua ' Counts' I <br /> http)/www.niecampbell.com/E-mail:mainQrmcampbell.com <br /> Chow Engineering Client Project ID: #11R-120;CalWater Date Sampled: 12/13/11 <br /> 7770 Pardee Lane,Ste. 100 Stockton Date Received 12/13/11 <br /> Client Contact: Reuben Chow Date Extracted 12/13/11 <br /> Oakland,CA 94621-3023 Client P.O.: Date Analyzed 12/14/11 <br /> CAM/CCR 17 Metals* <br /> Lab ID 1112398-005A 1112398-006A 1112398-007A Reporting Limit for DF=1; <br /> Client ID TP2 TP3 TP4 ND means not detected <br /> above the reporting limit <br /> .. — _.. -. ..... <br /> Matrix S S S S W <br /> Extraction Type TOTAL TOTAL TOTAL mg/Kg mg/L <br /> ICP Metals,Concentration* <br /> cal Method:SW6020 Extraction Method: SW3050B Work Order. 1112398 <br /> Dilution Factor 1 1 1 I 1 1 <br /> Antimony ND ND ND 0.5 NA <br /> Arsenic 4.9 4.4 4.1 1 0.5 NA <br /> Barium 170 230 210 1 5.0 1 NA <br /> Beryllium 0.52 0.66 0.52 1 0.5 NA <br /> Cadmium ND ND ND <br /> 0.25 NA <br /> Chromium 43 57 46 0.5 NA <br /> Cobalt 12 16 18 0.5 NAI <br /> Copper 29 64 32 0.5 NA <br /> Lead 6.7 9.2 7.6 0.5 NA <br /> Mercury ND. ND ND 0.05 NA <br /> Molybdenum ND 0.50 0.59 0.5 NA <br /> Nickel 28 48 36 0.5 NA <br /> Selenium ND ND ND 0.5 NA <br /> Silver ND ND ND 0.5 NA <br /> Thallium ND ND ND 0.5 NA <br /> Vanadium 76 85 78 0.5 NA <br /> Zinc 65 93 69 5.0 NA <br /> %SS: 101 113 102 <br /> Comments <br /> *Water samples are reported in ,g/L,product/oil/non-aqueous liquid samples and all TCLP/STLC/DISTLC/SPLP extracts are reported in mg/L, <br /> ' soil/sludge/solid samples in mg/kg,wipe samples in pg/wipe,filter samples in gg/filter. <br /> #means surrogate diluted out of range;ND means not detected above the reporting limit/method detection limit;N/A means not applicable to this sample <br /> or instrument. <br /> TOTAL=Hot acid digestion of a representative sample aliquot. <br /> TRM=Total recoverable metals is the"direct analysis"of a sample aliquot taken from its acid-preserved container. <br /> DISS=Dissolved metals by direct analysis of 0.45µm filtered and acidified sample. <br /> %SS=Percent Recovery of Surrogate Standard <br /> DF=Dilution Factor <br /> DHS ELAP Certification 1644 Angela Rydelius,Lab Manager <br /> Page 15 of 22 <br />