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110 2nd Avenue South 9137 Pacheco CA 94553-5560 <br /> ampbell Analytical Inc <br /> McC � Teiaphonc 925-798-1620 Fax 925-798-1622 <br />' hnpJlwww mccampbeli coin Email main r ccampbell cmn <br /> . Advanced GeoEnvtrortmental,Inc Client Project ID Flag City Chevron Date Sampled 03/25/03 <br />' 837 Shaw Road Date Received 03/26/03 <br /> Client Contact Tim Cuellar Date Extracted 03128/03-03/29/03 <br />' Stockton,CA 95215 <br /> Client P O Date Analyzed 03/28/03-03/29/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline* <br />' Exhamon method SW5030H Analytical methods SW8015Cm Work Order D303448 <br /> Lab ID Client 1D Matrix TPH(g) DF %SS <br /> 001A MW 17 W ND l 893 <br /> t 002A MW 18 W ND 1 876 <br />' 003A MWIOA — W --- Y�- ND - 1 875 <br /> 004A MW10B W ND 1 897 <br />' 005A MW10C --- W } - ------ NQ -- --- — --,--1 + 875 <br /> 006A MW10D I W ND 1 876 <br />' 007A I MW10E W ----— —- ND — -- — — 1 864 <br /> 008A ! MW8A W ND - — 1 + 862 <br /> 009A MW8B W - ---- -- ND— ---- --- -—- - - t - -_-87 l <br /> 010A MW8C W ND 1 877 <br /> 011A MW6B i W ND 1 875 <br /> I <br /> 012A EW-1 W ND 1 878 <br /> I013A EW-2— `- W _ ND 1 888 <br /> 014A EW-3 T W ND I $72 <br /> 015A EW-6 W ND 1861 <br /> 016A EW-7 W ND ' 1 88 4 <br /> Reporting Limit for DF=1 W __ ____— 50 µ� <br /> ND means not detected at or —_ <br /> ----- <br /> above the reporting limit S T NA NA <br />' *water and vapor samples are reported inµg/L,soil and sludge samples in mg/kg,wipe samples inµg/wipe,and TCLP extracts in 119/1- <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 gasolme9),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 gasoline9,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,j)reporting limit raised due to high MTBE content,k)TPN pattern that does not appear to be <br /> denved from gasoline(aviation gas) m)no recognizable pattern <br /> DHS Certification No 1644 - _ __ Angela Rydelius, Lab Manager <br />