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110 2nd Avenue South,#D7 Pacheco,CA 94553-5560 <br /> F4 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798 1622 f <br /> hap//www timccarnpbell corn E-mafl main a mccaibel]com <br />' Advanced GeoEnvironmentaI,Inc Client Project ID Sierra Lumber Date Sampled 10/09/03 <br /> 837 Shaw Road Date Received 10/10/03 <br />' Client Contact Tun Cuellar Date Extracted 10/11/03 <br /> Stockton, CA 95215 <br />' Client P O Date Analyzed 10/11/03 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline with BTEX and MTBE* <br /> Extraction motlrod SW50308 Analytical methods SW8021W8015Cm Work Order 0310161 <br />' Lab D] Client ID Matrix TPH(g) TMTBE Benzene Toluene Ethylbenzene Xylenes DF ' %SS <br /> -T <br /> 001A Influent A 50,m ND ND 089 ND ND 1 —# <br /> 1 <br /> FT <br /> f <br /> i <br /> ! I <br /> i <br /> l <br /> E { f <br /> Reportuig Limit for DF=1 A 25 25 025 025 025 025 1 1 µg/L <br /> ND means not detected at or <br /> above the reporting lura ST <br /> NA I NA NA NA NA NA 1 ]ng/Kg <br /> 'water and vapor samples and all TCLP&SPLP extracts are reported in pg/L,sorllstudge/solid samples in mg/kg, wipe samples inµg/wipe, <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 gasohne7,e)TPH pattern that does not appear to be derived from gasoline(stoddard solvent/mineral spint9),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,n)liquid <br /> sample that contains greater than—2 vol %sediment,j)reporting limit raised due to high MTBE contentk)TPH pattern that does not appear to be <br /> denved from asoline{aviation gas m no recd izabie attern <br /> DHS Certification No 1644 Angela Rydehus,Lab Manager <br /> I <br />