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110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> McCamphell Analytical Inc Telephone 925-796-1620 Fax 925-798-1622 <br /> I h //www mcc bell cam 6 ilial/ maul mccampbell corn <br /> Advanced GeoEnvironmental,Inc Client Project ID 3 B's Truck Plaza Date Sampled 03/26/03 <br /> I837 Shaw Road Date Received 03/27/03 <br /> Client Contact Tim Cuellar Date Extracted 03/28/03-04/01103 <br /> Stockton,CA 95215 <br /> Client P O Date Analyzed 03/28/03-04/01/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Fatracuonmethod SW5030B Analytical methods SW8021B/8015Cm Work Order 0303476 <br /> Lab ID Client ID Matrix TPH(g) MTB& Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 017A MWSF W ND 066 ND ND 051 1 95 1 <br /> 018A MWIOA W 3200,a 870 22 15 29 10 981 <br /> 019A MWIOB W ND 1 6 ND ND ND 1 93 5 <br /> 020A MW10C W ND _— 2 8 ND ND ND 1 945 <br /> 021A MW10D W ND 059 ND ND ND 1 942 <br /> 022A MW IOE W ND ND ND ND ND 1 100 <br /> 023A MW10F W ND __ ND ND ND ND 1 943 <br /> 024A MW12A W ND ND ND ND ND 1 99 9 <br /> 025A MW12B W ND _ ND ND ND ND 1 995 <br /> 026A MW12C W ND __ ND ND ND ND 1 97 3 <br /> 027A MW12D W ND ND ND ND ND 1 103 <br /> r028A MW12E W ND ND ND ND ND 1 97 2 <br /> 029A MW12F W ND _ ND ND ND ND 1 945 <br /> I <br /> Reponing Linn,for DF=l W 50 50 0 5 0 5 t 05 1 05 1 1 9gf L <br /> ND means not detected at or <br /> above the reporting limit S NA NA NA NA NA NA 1 rng/Kg <br /> *water and vapor samples are reported In pg/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 signiftcant(aged gasolme'r),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 derived from gasoline(stoddard solvent/mineral spintQ),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,r)liquid <br /> sample that contains greater than—2 vol %sediment,1)reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be <br /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 Angela Rydebus, Lab Manager <br />