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' 110 2nd Avenue South #137,Pacheco CA 94553-5560 <br /> FMcCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> ' http/lwww mccampbelk cam Email mainQmccampbell cum <br /> Advanced GeoEnvironmental,Inc Client Project ID Ripon Farm Ser Date Sampled 06/19/02 <br /> ' 837 Shaw Road Date Received 06/20/02 <br /> Client Contact Bill Little Date Extracted 06/22/02-06/24102 <br /> Stockton,CA 95215 <br /> ' Client P O Date Analyzed 06122102-06/24/02 <br /> Gasoline Range(C6-Cl2)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> traction method SW5030B Analytical methods SW8021B/801SCm Work Order 0206330 <br /> Lab ID Client ID Mat TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %,SS <br /> OOIA MW1/06-19-02 W 66,1 ND ND ND ND ND 1 106 <br /> 002A MWV06-19-02 W 1600,a NEX50 89 ND<5 0 110 80 10 107 <br /> 003A MW3/06-19-02 W 330,b ND ND ND ND ND 1 105 <br /> 004A MW4/06-19-02 W 240,a ND 097 073 l 2 0 94 1 —# <br /> 005A MW5/06-19-02 W ND ND ND ND ND ND 1 103 <br /> Reporting Limit for DF=1, W 50 5 0 05 05 05 05 ug/L <br /> ' ND means not detected at or <br /> above the reporting limit S 10 005 0 005 0 005 0 005 0 005 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 ug/L <br /> ' DF=dilution factor <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 gasolme?,e)TPH 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,t)liquid sample that <br /> contains greater than—2 vol %sediment,l)no recognizable pattern,k)TPH pattern that does not appear to be denved from gasoline(aviation gas) <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br /> 1 <br />