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110 2nd Avenue South,#137,Pacheco CA 94553 5560 <br /> McCarnpbell Analytical Inc Telephone 925-796 1620 Fax 925 798-1622 <br /> FAO h //www mmarnpbell cam E-mail rnainQncarnpkell corn <br /> • Advanced GeoEnvironmental, Inc Client Project 1D Chapin Bros Date Sampled 01/09/03 <br /> 837 Shaw Road Date Received 01/10/03 <br /> Stockton, CA 95215 Client Contact W R Little Date Extracted 01/10/03-01114103 <br /> ' Client P 0 Date Analyzed 01/10/03-01/14/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline <br /> xtracuon method. SW5030B Analytical methods SW/8015Cm Work Order 0301104 <br /> ' Lab ID Client ID Matrix TPH(g) DF %SS <br /> 001A WFLUENT W 3500,a 5 118 <br /> ' 002A EFFLUENT W ND 1 104 <br /> 1 <br /> 1 <br /> 1 <br /> Reporting Limit for DF=1, W 50 µ�� <br /> ' ND means not detected at or <br /> above the reporting limit S NA NA <br /> 'water and vapor samples are reported inµg11,sot]and sludge samples to mg/kg,wipe samples inµg/wlpe,and TCLP extracts inµg/L <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 hrnad chromatographic peaks are significant,biologically <br /> altered gasolme9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?),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,i)liquid <br /> sample that contains greater than—2 vol %sediment,j)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> ' derived from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />