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' 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc 'Telephone 925-798-1620 Fax 925-798-1622 <br /> http llwww mccampbell com E-mail r=2ncca npbell com <br />' Advanced GeoEnvironmental, Inc Client Project ID Sierra Lumber Date Sampled 08/20/02 <br /> 837 Shaw Road Date Received 08/21/02 <br />' Client Contact Tarn Cuellar Date Extracted 08/21102-08128/02 <br /> Stockton, CA 95215 <br /> Client P O Date Analyzed 08/21/02-08/28/02 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW5030B Analytical methods SW8021B/8015Cm Work Order 0208347 <br />' Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A MWI/8-20-02 W ND -- ND ND ND ND 1 97 8 <br />' 002A MW2/8-20-02 W 10,000,a -- 77 380 340 2200 20 104 <br /> 003A MW4A/8-20-02 W 1800,b,m,i ND<1 6 8 22 220 2 -# <br />' 004A MW413/8-20-02 W 290,a --- 66 ND 29 ND 1 107 <br /> 005A MW6/8-20-02 W ND ND ND ND ND 1 102 <br />' 006A Influent A 220,a -- 0 68 4 2 ND 5 3 1 ---# <br /> 067A Effluent A 31,c --- 0 51 ND ND ND 1 107 <br /> I <br /> I <br /> Reporting Linut for DF-1, A/W 25 50 5 0 0 5 05 05 1 µg/L <br /> ND means not detected at or <br />' above the reporting limit S NA NA NA NA 1 NA NA 1 mg/Kg <br /> *water and vapor samples are reported in ug/L,soil and sludge samples in mg/kg,wipe samples in ug/wipe,product/oil/non-aqueous liquid samples in <br /> mg/L,and TCLP extracts in ug/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 /> I unmodified or weakly modified gasoline is significant,b)heavier gasoline range compounds are signifkant(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 derived from gasoline(stoddard solvent),f)one to a few isolated non-target peaks present, <br /> g)strongly aged gasoline or diesel range compounds are significant,h)lighter than water immiscible sheen/product is present,i)liquid sample that <br /> contains greater than—2 vol %sediment,))reporting limit raised due to high MTBE content,k)TPH pattern that does not appear to be derived from <br /> Igasoline(aviation gas) m)no recognizable pattern <br /> • <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />