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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-798-1620 Fax 925-798-1622 <br /> A# Website www mccarrWbell com E-mail main@mccatrr¢bell corn <br /> Advanced GeoEnvironmental,Inc Client Project ID Flag City Chevron Date Sampled 06/14/04 <br /> $37 Shaw Road Date Received 06/15/04 <br /> Client Contact Tim Cuellar Date Extracted 06/15/04 <br /> Stockton,CA 95215 <br /> Client P 0 Date Analyzed 06116/04-06/19/04 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with MTBE,* <br /> lraotionmethod SW50308 Analytical methods SW8021B18015Cm WorkDrder 0406242 <br /> Lab ID Client ID Matnx TPH(g) MTBE DF %SS <br /> 0406242-OOIA MW2 W ND ND 1 970 <br /> 0406242-002A MW10A W ND,i ND 1 983 <br /> 0406242-003A MWIOB W ND ND 1 984 <br /> 0406242-004A MW10C W ND ND 1 992 <br /> 0406242-005A j MW10D W ND ND 1 101 <br /> 0406242-006A MW10E W ND ND 1 101 <br /> 0406242-007A MW12A W ND ND 1 959 <br /> 0406242-008A MW12B W ND ND 1 101 <br /> 0406242-009A MW12C W ND ND 1 102 <br /> 0406242-OIOA MW12D W ND ND 1 102 <br /> 0406242-011A MW13A W ND ND 1 104 <br /> 0406242-012A MW13B W ND ND 1 105 <br /> 0406242-013A MW13C W ND ND 1 105 <br /> 0406242-014A MW13D W ND ND 1 107 <br /> 0406242-015A MW1 W ND ND 1 102 <br /> I <br /> 0406242-016A MW4 W ND ND 1 103 <br /> Reporting Limit for DF=1, W 50 so Rg(L <br /> ND means not detected at or S NA NA mg/Kg <br /> above the reporting limit <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludge/solid samples in mg/kg, wipe samples in pg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/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 gasoline),e)TPH pattern that does not appear to be denved 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—1 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,n)TPH(g)range non-target isolated peaks subtracted out of the TPH(g)concentration <br /> DHS Certification No 1644 Angela Rydehus,Lab Manager <br />