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T 110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> I <br /> McCampbell Analytical, nc. Telephone 925 798 1620 Fax 925-798-1622 <br /> 24 Website www mccampbell com E mail mam@niecampbell corn <br /> Advanced GeoEnvlronmental, Inc CIient Project ID Three B's Date Sampled 03/15/04 <br />' 837 Shaw Road Date Received 03/17/04 <br /> Stockton, CA 95215 Client Contact Turn Cuellar Date Extracted 03/20/04 <br />' Client P O Date Analyzed 03/20/04 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br />' Extraction method SW5030B Analytical methods SW80218/8015Cm Work Order 0403274 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylberizene Xylenes DF %S5 <br /> 001A MW7A W ND --- 62 ND ND 068 1 103 <br />' 002A MW7B W 64,a --- 75 070 ND 14 1 122 <br /> 003A MW7C W 87,a -- 97 ND ND 10 1 116 <br />' 004A MW7D W 55,a --- 48 ND ND ND 1 942 <br /> 005A MW7E W ND --- 44 ND ND 059 1 929 <br />' 006A MW 12A W ND ND ND ND ND 1 871 <br /> 007A I MW 12B W ND -- ND ND ND ND 1 945 <br />' 008A MW12C W ND - ND ND ND ND 1 858 <br /> 009A MW 12D W ND --- ND ND ND ND 1 830 <br /> 010A MW12E W ND -- ND ND ND ND 1 873 <br /> 011A MW12F W ND -- ND ND ND ND 1 900 <br /> Reporting Lurit for DF-1, W S0 50 05 05 0 5 0 5 1 µg/L <br /> ND means not detected at or <br /> above the reporting]unit S NA NA NA NA NA NA 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported to ug/L,soil/sludge/solid samples in mg/kg, wipe samples inµg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/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 signiftcant(aged gasohne9),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 gasolme9,e)TPH pattern that does not appear to be denved from gasoline(stoddard solvent/mineral spinO),t)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 asolme aviation as) m no recognizable pattern <br /> DHS Certification No 1644 gels Rydehus, Lab Manager <br />