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110 2nd Avenue South,#D7 Pacheco,CA 94553 5560 <br /> E4McCampbell Analytical Inc Telephone 925-798 1620 Fax 925-798 1622 <br /> ' _ _ hnJ/www mccamfl Ml com E-mail mam@mccampbell corn <br /> Advanced GeoEnvironmental,Inc Client Project ID Repan Farm Service Date Sampled 12/12/02 <br /> ' 837 Shaw Road Date Received 12/13/02 <br /> Client Contact Bill Little Date Extracted 12/13102-12/16/02 <br /> Stockton,CA 95215 <br /> ' Client P O Date Analyzed 12/13/02-12/16/02 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0212251 <br /> ' Lab 1D Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> OOIA rNFLUENT A 130,a ND 051 46 19 95 1 120 <br /> 002A EFFLUENT A 49 a ND ND 025 ND 047 1 113 <br /> 1 <br /> 1 <br /> Reporting Lumt for DF=1 A 25 25 025 025 025 02 5 1 µg/L <br />' ND means not detected at or <br /> alcove the reporting]unit S NA NA NA NA NA NA l mg/Kg <br /> *water and vapor samples are reported toµg/L,soil and sludge samples in mg/kg,wipe samples inµg/wipe,and TCLP extracts inµg/L <br />' #cluttered chromatogram,sample peak coelutes 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 fraction)are significant,d)gasoline range compounds having broad chromatographic peaks are significant biologically <br /> altered gasolmO,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,3)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 <br />