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110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> ' h J/www mccampbell com R-mail rnaui@=canTbeH coin <br /> Advanced GeoEnvuonmental,Inc Client Project ID Rainwater CarWash Date Sampled 12/12/02 <br /> ' 837 Shaw Road Date Received 12/13/02 <br /> Client Contact Tim Cuellar Date Extracted 12/18/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 12/18/02 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline* <br /> =action rocthod SW503oB Analytical methods SW8015Cm Work Order 0212252 <br /> ' Lab b) Client ID Matrix TPH(g) DF %SS <br /> 001A INFLUENT W 2100,a 10 102 <br /> ' 002A GAC-2 W ND 1 103 <br /> 003A EFFLUENT W PID 1 105 <br /> 1 <br /> Reporting Limit for DF=1, W 50 gg/L <br /> ND means not detected at or S NA NA <br /> above the reporting limit <br /> *water and vapor samples are reported in pg/L,soil and sludge samples in mg/kg,wipe samples in ltg/wipe,and TCLP extracts inµg/L <br /> ' #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> +The following descnptions of the TPH chromatogram are cursory in 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 gasohne)),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)TPH pattern that does not appear to be denved from gasoline(stoddard solvent 1 mineral spint9),f)one to a few isolated non-target <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,t)liquid <br /> Sample that contains greater than—2 vol %sediment,j)reporting lama raised due to high MTBE content,k)TPH pattern that doe not appear to be <br /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> iDHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />