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4 McCampbell Analytical, Inc. <br />1534 Willow Pass Road, Pittsburg, CA 94565-1701 <br />Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />I <br />"When Quality Counts" <br />http://www.=cwnpbell.com / E-mail: main@mccampbell.com <br />Chow Engineering <br />Client Project ID: #11R-120; <br />Date Sampled: <br />12/19/11 <br />CalWater Stockton <br />Date Received: <br />12/19/11 <br />7770 Pardee Lane, Ste. 100 <br />Client Contact: Reuben Chow <br />Date Extracted: <br />12/19/11 <br />Oakland, CA 94621-3023 <br />Client P.O.: <br />Date Analyzed: <br />12/19/11-12/20/11 <br />Polychlorinated Biphenyls (PCBs) Aroclors by GC-ECD* <br />Extraction Method: SW3550B Analytical Method: SW8082 <br />Work Order: 1112555 <br />Lab ID <br />1112555-OOIA <br />! 1112555-002A 1112555-003A <br />1112555-004A <br />Client ID <br />9-PH <br />10-PH 11-PH <br />12-PH <br />Reporting Limit for <br />DF =1 <br />Matrix <br />S <br />S S <br />S <br />DF <br />5 <br />5 10 <br />10 <br />S W <br />Compound <br />Concentration <br />mg/kg <br />ug/L <br />Aroclor1016 <br />ND<0.25 <br />i <br />ND<0.25 <br />ND<0.50 <br />ND<0.50 <br />0.05 <br />NA <br />Aroclor1221 <br />ND<0.25 <br />ND<0.25 <br />ND<0.50 <br />ND<0.50 <br />0.05 <br />NA <br />Aroclor1232 <br />I ND<0.25 <br />ND<0.25 <br />ND<0.50 <br />ND<0.50 <br />I 0.05 <br />NA <br />Aroclor1242 <br />I ND<0.25 <br />ND<0.25 <br />ND<0.50 <br />ND<0.50 <br />I 0.05 <br />NA <br />Aroclorl248 <br />ND<0.25 <br />ND<0.25 <br />ND<0.50 <br />ND<0.50 <br />0.05 <br />NA <br />Aroclor1254 <br />ND<0.25 <br />ND<0.25 <br />ND<0.50 <br />ND<0.50 <br />0.05 <br />NA <br />Aroc1or1260 <br />I ND<0.25 <br />ND<0.25 <br />ND<0.50 <br />ND<0.50-1 <br />D<0.50I <br />0.05 <br />NA <br />PCBs, total ND<0.25 ND<0.25 ND<0.50 <br />ND<0.50 <br />0.05 NA <br />Surrogate Recoveries (%) <br />%SS: 106 104 <br />i <br />111 <br />111 <br />Comments a3,h4 a31h4 <br />a3,h4 <br />a3,h4 <br />* water samples in pg/L, soil/sludge/solid samples in mg/kg, wipe samples in jig/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 to this analysis; %SS = 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 sulfuric acid 2ermanganate (EPA 3665) cleanu <br />DHS ELAP Certification 1644 <br />Angela Rydelius, Lab Manager <br />Page 6 of 23 <br />