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' t <br /> I <br /> I <br /> CASTLE ANALYTICAL LABORATORY <br /> Environmental Testing Services 2333 Shuttle Drive,Atwater CA 95301 Phone (209)384-2930 <br /> ' Certificate#2480 Fax (209)384-1507 <br /> I <br /> Advanced GeoEnvironmental Inc Client Protect ID Rainwater Car Wash Sampled 06-22-04 <br /> ' of Northern California Reference Number 7092 R ceived 06--24-04 <br /> 837 Shaw Road Sample Description Water Extracted 06-25-04 <br /> Stockton, CA 95215 Sample Prep/Analysis Method EPA 503018015, 8020 Analyzed 06-25-04 <br /> Attn Tim Cuellar Lab Numbers 7092-1W ?W, 3W 4W 5W Reported 07-07-04 <br /> TOTAL PETROLEUM HYDROCARBONS -GASOLINE <br /> ' WITH BTEX DISTINCTION <br /> ' ANALYTE REPORTING LIMIT SAMPLE ID SAMPLE It) SAMPLE ID SAMPLE ID SAMPLE ID <br /> MW 12A MW 12B MW 12C MW 12D MW 12E <br /> 062204 062204 062204 062204 062204 <br /> ' (uglL) (uglL) (uglL) (uglL) (uglL) (ug/L) <br /> MTBE 0 50 2 8 44 053 ND NO <br /> BENZENE 0 50 NO NO NO NO ND <br /> TOLUENE 050 NO NO NO NO NO <br /> ETHYL BENZENE 050 NO NO NO NO NO <br /> ' TOTAL XYLENES 050 NO NO NO NO NO <br /> i ' GASOLINE RANGE <br /> HYDROCARBONS 50 120* 140' 86' 89* NO <br /> Report Limd Multiplication Factor 1 1 1 1 1 <br /> ' Report Limit Multiplication Factor for MTBE only 2 <br /> 'non-gasoline pattem gasoline value due mainly to tetrachloroethene(PCE) see EPA 8260 analysis <br /> ' Surrogate% Recovery FIA 974%l PED 943% FID 996%l PID 959% FID 949%1 PID 969% FID 959%1 PID 497% FID 960%(PID 111/. <br /> Instrument ID VAR-GCI VAR-GC1 VAR-GC1 VAR-GC1 VAR-GC1 <br /> ' Analytes reported as NO were not detected or below the Practical Quantitation Limit <br /> Practical Quantitation Lund= Reporting Limit x Re ort Limit Multiplication Factor <br /> � I <br /> APPROVED BY APPROVED BY C <br /> Clan J Cone Ja es C Phillips <br /> Laboratory Manager L oratory Director <br />