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110 2nd Avenue South,tI137 Pacheco CA 94553-5560 <br /> MCCampbell Analytical Inc. Telephone 925-798 1620 Fax 925-798-1622 <br /> http//www mccamphell coin Email mamQmccampbel1 com <br /> ' Advanced GeoEnvironmental,Inc Client Project ID Rainwater Car Wash Date Sampled 05/22/02 <br /> • 837 Shaw Road Date Received 05/23/02 <br /> ' Stockton,CA 95215 Client Contact Tim Cuellar Date Extracted 05125102-05130102 <br /> Client P O Date Analyzed 05/25/02-05/30/02 <br /> ' Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> xtractionmethod SW50308 Analytical methods SW802113/8015Cm Work Order 0205330 <br /> ' Lab ID Client ID Matrix TPH(g) MTB$ Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A GAC/2 w ND ND ND ND ND ND 1 107 <br /> ' 002A Influent W 25,000,a 24,000 1500 1300 ND<100 3100 200 106 <br /> 003A Effluent W ND ND ND ND ND ND 1 103 <br /> I <br /> I <br /> I <br /> I <br /> 1 <br /> Reporting Limit for DF=1, W 50 50 05 05 05 05 uglL <br /> ' means not detected t or <br /> ab 1 0 005 0 005 0 005 0 005 0 005 <br /> above the reporting limit mg/Kg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,and TCLP extracts in ug1L <br /> ' DF=dilution factor <br /> #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descriptions of the TPH chromatogram are cursory to nature and McCampbell Analytical is not responsible for their interpretation a) <br /> unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are significant(aged gasoline?),c)lighter gasoline range <br /> compounds(the most mobile fraction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant,biologically <br /> altered gasoline?,e)TPI{pattern that does not appear to be derived from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> ' g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid sample that <br /> contains greater than—2 vol %sediment,j)no recognizable pattern,k)TPH pattern that does not appear to be derived from gasoline(aviation gas) <br /> • DHS Certification No 1644 Edward Hamilton,Lab Director <br /> I � I <br /> 1 t <br /> I <br /> I <br />