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i <br /> 110 2nd Avenue South,pD7 Pacheco CA 94553-5560 <br /> Inc.McCampbell Analytical, Telephone 925-7981620 Fax 925-798-1622 <br /> A# I Website www mecampbell com E-mail main@mccampbell corn <br /> Advanced GeoEnvironmental,Inc Client Project ID Stockton Plating Date Sampled 06/25/04 <br />' <br /> 837 Shaw Road Date Received 06129104 <br /> Client Contact Bill Little Date Extracted 06/30/04 <br /> Stockton,CA 95215 <br /> IClient P O Date Analyzed 06/30/04 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction method SW503011 Analyucalmethods SW8021B/8015Cm Work Order 0406460 <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylbenzene Xylenes DF %SS <br /> 001A Effluent W ND --- ND ND ND ND 1 103 <br />' 002A Influent W 5400,a --- 740 630 160 370 10 118 <br /> i <br /> i <br /> r <br /> i <br /> i <br /> i <br />' Reporting Lumt for DF=1, W 50 50 I 0 5 05 0 5 05 1 pg/L <br /> ND means not detected at or <br /> above the reporting hmrt S NA NA NA NANA NA 1 mg/Kg <br /> *water and vapor samples and all TCLP&SPLP extracts are reported in ug/L,soil/sludgelsohd samples in mg/kg, wipe samples in pg/wipe, <br />' <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 pattem 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)fighter than water immiscible shcen/product is present,i)hqurd <br />' sample that contains greater than—1 vol %sediment,I)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 at <br /> • the chent's request <br />' DHS Certification No 1644 �+Xngela Rydehus, Lab Manager <br />