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V cC a m D ✓eq n a } C a ' n C <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />• • <br />Toll14" Free Telephone: <br />(877) 252-9262 / Fax: <br />(925) 252-9269 <br />nR%telt !! Counts <br />http:t/www.nxcampbeU.com / E-mail: main@mccampbelLcom <br />Chow Engineering Client Project ID: #11R-120; <br />Date Sampled: <br />12/13/11 <br />CalWater Stockton <br />7770 Pardee Lane, Ste. 100 <br />Date Received: <br />12/13/11 <br />Client Contact: Reuben Chow <br />Date Extracted: <br />12/13/11 <br />Oakland, CA 94621-30213 Client P.O.: <br />Date Analyzed: <br />12/14/11 <br />Polychlorinated Biphenyls (PCBs) Aroclors by GC-ECD* <br />Extinction Method: SW3550B Analytical Method: SW8082 <br />Work Order. 1112399 <br />Lab ID 1112399-OOIA 1112399-002A 1112399-003A <br />1112399-004A <br />Client ID Pile 1 Pile 2 Pile 3 <br />Pile 4 <br />Reporting Limit for <br />DF =1 <br />Matrix <br />S S <br />S <br />S <br />DF <br />1 1 <br />10 <br />1 <br />S <br />W <br />Compound <br />Concentration <br />mg/kg <br />ug/L <br />Aroclor1016 <br />ND <br />ND <br />ND<0.50 <br />ND <br />0.05 <br />NA <br />Aroclorl221 <br />ND <br />ND <br />ND<0.50 <br />ND <br />0.05 <br />NA <br />Aroclorl232 <br />ND <br />ND <br />ND<0.50 <br />ND <br />0.05 <br />NA <br />Aroclor1242 <br />ND <br />ND <br />ND<0.50 <br />ND <br />0.05 <br />NA <br />AroclorI248 <br />ND <br />ND <br />.50 <br />ND <br />0.05 <br />NA <br />Aroclor1254 <br />ND <br />ND <br />ND<0.50 <br />ND <br />0.05 <br />NA <br />Aroc1orl260 <br />ND <br />ND <br />ND<0.50 <br />ND <br />0.05 <br />NA <br />PCBs, total ND ND ND<0.50 <br />ND <br />0.05 NA <br />Surrogate Recoveries <br />°/OsS: 105 121 125 <br />130 <br />Comments h4 h4 a3,h4 <br />h4 <br />' water samples in µg(L, soiVsludge/solid samples in mg/kg, wipe samples in µg/wipe, filter samples in µg/filter, product/oil/non-aqueous liquid samples <br />and all TCLP & SPLP extracts are reported in mg/L. <br />ND means not detected above the reporting limit/method detection limit; N/A means analyte not applicable <br />to this analysis; %S3 = Percent Recovery of <br />Surrogate Standard; DF = Dilution Factor <br /># surrogate diluted out of range or surrogate coelutes with another peak. <br />a3) sample diluted due to high organic content. <br />h4 sulfiuic acid pMMIanate PA 3665 clean <br />' DHS ELAP Certification 1644 <br />Angela Rydelius, Lab Manager <br />Page 5 of 20 <br />