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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCANDBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' h //www mccam bell cam E-mail main@mccampbell corn <br />' Date Sampled 03/28/01 <br /> Advanced GeoEnvironmental Client Project 1D Cherokee Trucking <br /> Date Received 03/29/01 <br /> 837 Shaw Road <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 03/29/01 <br /> Client P O Date Analyzed 03/29-04/02/01 <br />' Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel* <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br />' %Recovery <br /> Lab 1D Client ID Matnx TPH(d)+ Surrogate <br /> 64154 MW1/03-28-01 W 260,g,b 104 <br />' 64155 MW2/03-28-01 W ND 105 <br /> 64156 MW3/03-28-01 W 110,b 106 <br />' 64157 MW4/03-28-01 W ND 109 <br /> 64158 MW5/03-28-01 W 620,g 106 <br />' 64159 MW6/03-28-01 W 190,6 111 <br />�. 64160 Sm I Well W ND 115 <br /> 64161 Large Well W 270,6 106 <br />' Reporting Limit unless otherwise W 50 ug/L <br /> stated,ND means not detected above <br />' the reporting limit S 1 0 mg/kg <br /> water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and ail TCLP/STLC!SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> diminished by dilution of ongnal extract <br /> +The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br />' interpretation a)unmodified or weakly modified diesel is significant,b)diesel range compounds are significant,no recognizable pattern,c) <br /> aged diesel?is significant),d)gasoline range compounds are significant,e)medium boiling point pattern that does not match diesel(9), f) <br /> • one to a few isolated peaks present,g) oil range compounds are significant,h)lighter than water immiscible sheen is present, i) liquid <br /> sample that contains greater than--5 vol %sediment. <br />' DHS Certification No 1644 Edward Hamilton,Lab Director <br />