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EXCELCHEM <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 ` <br /> Roseville, CA 95678 <br /> Phone#: (916) 773-3664 Fax#: (916) 773-4784 <br /> ANALYSIS REPORT <br /> Attention: Mr. Noel Lerner Date Sampled : 08-26-97 <br /> Helmick&Lerner Inc. Date Received: 08-26-97 <br /> 1620 Executive Court Date Analyzed: 09-04-97 <br /> Sacramento, CA 95864 <br /> Project: 00815/Stockton Unified Matrix: Soil <br /> Sample ID: (839) S-1 <br /> Lab ID: 50897582 <br /> Reporting Measured <br /> Compound Limit(ppm) Value(ppm) <br /> Aroclor 1016 0.03 ND <br /> Aroclor 1221 0.06 , ND <br /> Aroclor 1232 0.03 ND <br /> Aroclor 1242 0.03 ND <br /> Aroclor 1248 0.03 ND <br /> Aroclor 1254 0.03 ND <br /> Aroclor 1260 0.03 ND <br /> ppm=parts per million=mg/kg=milligram per kilogram. <br /> ND =Not detected. Compound(s)may be present at concentrations below the reporting limit. <br /> Surrogate Recoveries - Decachlorobiphenyl = 280%* <br /> '=Sum>gate recovery is out of range due to matrix interference. <br /> ANALYTICAL PROCEDURES <br /> PCBs-art measured first by extraction using EPA Method 3550 followed by EPA method 8080 which utilizes a gas chromatograph(GC)equipped <br /> with an electron capture detector(ECD). <br /> _.� 09-08-97 <br /> ratory Representative Date Reported <br /> EXCELCHEM ENVIRONMENTAL LABS IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.2119) <br /> 3 <br />