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]10 tad Avenue South #1J7 Pacheco CA 94553-5560 <br /> JMcCampbell Analytical, Inc. Telephone 925.798-1620 Fax 925-798-1622 <br />' Website www mccampbell corn E-mail mairi&wcanTbell corn <br /> �� Advanced GeoEnvtronmental,Inc Client Project TD Cherokee Truck Stop Date Sampled 06/03/04 <br /> 837 Shaw Road Date Received 06/04/04 <br />' Client Contact Paul Dotson Date Extracted 06108/04-06/09104 <br /> Stockton,CA 95215 <br /> Ghent­P0 Date Analyzed 06/08104-06109104 <br /> Gasoline Range(C6-C12) Volatile Hydrocarbons as Gasoline <br /> xtracuon method SW5030B Analytical methods SW8015Cm Work Order 0406066 <br /> Lab ID Client ID Matrix TPH(g) DF 0/.SS <br /> 001A UST-2 W ND 1 912 <br /> 002A UST-3 W ND 1 994 <br /> 003A UST-4 W ND 1 963 <br /> 004A UST-5 W 230,a 1 988 <br /> 005A UST-6 W ND 1 85 2 <br /> 006A UST-7 W ND I 957 <br /> 007A LGW-1 W ND 1 853 <br /> I <br /> I <br /> Reporting Limit for DF=l, W 50 µg/Z <br /> ND means not detected at or 3 NA NA <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 inµg/wipe, <br /> product/oil/non-aqueous liquid samples in mg/L <br />' #cluttered chromatogram,sample peak eoelutes 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'7),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 derived from gasoline(stoddard solvent 1 mineral spint7),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,r)liquid <br />' sample that contains greater than—1 vol %sediment,j)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 f 1 Angela Rydelrus, Lab Manager <br />