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110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> a47 I- <br /> McCampbell Analytical Inc Telephone 925-79&1620 Fax 925-798-1622 <br /> hup//www mccampbell cam E-mail niam&=ampbell core <br /> Advanced GeoEnvironmental,Inc Client Project ID Fire Station#2 Date Sampled 04/23/03 <br /> 837 Shaw Road Date Received 04/24/03 <br /> Stockton, CA 95215 Client Contact Bill Little Date Extracted 04/24/03 <br /> Client P O Date Analyzed 04/24103-04125/03 <br /> Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel* <br /> xtraction method SW3510C Analytical methods SW8015C Work Order 0304378 <br />' Lab 11D) Chent ID Matrix TPH(d) DF %SS <br /> 0304378-001B MW1 W 55,b,f 1 95 5 <br /> 0304378-002B MW3 W ND 1 962 <br /> 0304378-003B II MW5 W 95,b 1 953 <br />' 0304378-004B 4 VWl W 80,b 1 946 <br /> 0304378-0OSB VW2d W 3900,d,b 1 962 <br /> 0304378-006B VW5d W ND 1 102 <br /> I <br /> i <br /> Reporting LAmit for DF w1, W SO µg/r <br /> i ND means not detected at or <br /> above the reporting limit S NA NA <br /> *water and vapor samples are reported inµg/L,wipe samples in ug/wipe,soil/solid/sludge samples in mg/kg,productloillnon-aqueous liquid samples in <br /> mg/L,and all TCLP/STLC/SPLP extracts in pg/L <br /> i #cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been diminished <br /> by dilution of original extract. <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 diesel is significant,b)diesel range compounds are significant,no recognizable pattern,c)aged diesel'7 is significant),d) <br /> gasoline range compounds are significant,e)unknown medium boiling point pattern that does not appear to be derived from diesel,f)one to a few <br /> isolated peaks present,g)oil range compounds are significant,h)lighter than water immiscible shecn/product is present,i)liquid sample that contains <br /> igreater than—2 vol %sediment,k)kerosene/kerosene range,1 bunker oil,-m)fuel oil,n stoddard solvent/minerals int. <br /> . DHS Certification No 1644 Angela Rydelius, Lab Manager <br /> J�i <br /> I <br />