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110 2nd Avenue South #137 Pacheco CA 94553 5560 <br /> E4McCampbell Analytical Inc Telephone 925 798-1620 Fax 925 798-9622 <br /> lin Ilwww mecampbell corn E mail math mcca bell corn <br /> . Advanced GeoEnvlronmental, Inc Client Project ID Chapin GW-Nov Zooz Date Sampled 11/11/02 <br /> ' 837 Shaw Road Date Received 11/12/02 <br /> Client Contact Bill Little Date Extracted 11/13/02 <br /> Stockton,CA 95215 <br /> ' <br /> TTIie_nt_P <br /> O Date Analyzed 11/13/02 <br /> Gasoline Range(C6-C 12) Volatile Hydrocarbons as Gasohne* <br /> Extraction method SW5030B Analytical methods SW6615Cm Work Order 0211196 <br /> ]ah ID Client ID Matrix TPH(g) DF 0/.SS <br /> OOIA Effluent W ND 1 982 <br /> 1 <br /> Reporting Limit for DF=1, W 50 µg/L <br /> ' ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported in pg/L,soil and sludge samples in mg/kg wipe sdmp€as inµg/w9pe,and TCLP extracts inµg/L <br /> ' #cluttered chromatogram,sample peak coe€utes with surrogate peak <br /> -The following descriptions 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 gasoline?),c)lighter gasoline range <br /> ' compounds(the most mobile fractmn)are significant d)gasoline range compounds having broad ci ror•afog•aph c peaks arc s gnificant,biologically <br /> altered gasoline?,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spirit?),0 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 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 /> 1 �JN <br />