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I 10 2nd Avenue South ffD7 Pachcco (A 94553 5 60 <br /> —McCampbell Analytical, Inc.--.----,,.- leleplione 9257981620_Fax 925_723-1622___ <br /> Wetwc www ntaantphell coni li-nnd auwiWuicc=vbcU cum o <br /> Advanced GeoEnvironmental,Inc Client Project 1D Stockton Plating- Date Sampled 08/23105 <br /> 837 Shaw Road August 2005 Date Received 08/24/05 <br /> Client Contact Bill Little Date Extracted 08/24/05 <br />' Stockton,CA 95215 <br /> Client P O Date Analyzed 08/24/05 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br />' Extraction ethod SW5030B Analytical metha& SW8021B/8015Cni work Ordar 0508395 <br /> m <br /> Lab TD Client TD Matrix TPH(g) MTBE Benzene 1 oluene Fthyibenzene Xylenes <br />' 004A SVF-EFF A ND -- ND ND I ND ND 1 108 <br /> I <br /> -- I <br /> 1 <br /> I <br /> Reporting Ltnut for DP=1 A 25 25 025 025 025 025 1 µg/l <br />' ND means not detected at or I <br /> above the reporting lurut S NA NA NA NA NA NA 1 mglKg <br /> *water and vapor samples and all TC LP&SPLP extracts are reported inµg/L,so11/sludgclsolid samples in mg/kg wipe samples inµg/wipe, <br />' product oil/non-aqueous liquid samples m mg/L. <br /> 4 cluttered chromatogram,sample peak coelutes uitb surrogate peak <br /> +The following descriptions ofthe TPH chromatogram are cursory to 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 signiticant(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 gasohne9,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent 1 mineral spirit) f)one to a few isolated non-target <br /> peaks present,g)strongly aged gasoline or diesel range compounds are significant,h)tighter than water immiscible sheen/product is present,i)liquid <br />' sample that contains greater than—1 vol °/a sedlment,,1)reporting limit raised due to high MTBE content,k)TPH paltem that does not appear to be <br /> derived from gasohne(aviation as) m no recognizable pattern <br /> • DHS Certification No 1644 Angela Rydehus,Lab Manager <br /> 1 <br /> 1 <br />