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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 /> httn.//www.mecamnbell.coE-mail matnQmcaampbell corn <br />' Advanced GeoEnvironmental Client Project ID Arco Mini Mart Date Sampled 10/27/99 <br /> 4005 North Wilson Way Date Received 10/28/99 <br />' Stockton,CA 95205 Client Contact Nuel Henderson Date Extracted 10128-11/02/99 <br /> Client P O. Date Analyzed 10/28-11/02199 <br />' Diesel Range(Cld-C23)Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8415,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TpH(d)+ %Recovery <br />' Surrogate <br /> 24257 MW3 W 88,a 98 <br />' 24258 MW2 W 85,b 101 <br /> 24259 MW1 W ND 104 <br />' 24260 MW7 W ND 103 <br /> I 24261 MW6 W ND 102 <br /> 24262 MW4 W 4Q&O,d 112 <br /> 24263 MW5 W 7700,d 103 <br /> 24264 VW1 W 380,d,b 100 <br /> Reporting Limit unless otherwise W 54 ug/L <br /> stated,ND means not detected above <br /> the reporting limit S L 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 all TCLP/STLC/SPLP <br /> &xtracts in ug/L <br /> + ered chromatogram resulting in coeluted surrogate and samplL, peak is on elevated baseline,or,surrogate has been <br /> diminished by dilution of oriRmal 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 diesels 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, 1) liquid <br /> Isample that contains greater than—5 vol %sediment h r <br /> DHS Certification No 1644 ( �I� Edward Hamilton, Lab Director <br /> ' <br /> TI n»• Jnr"''-• "'t r�-ur,� ��s..�.- Ott r- ..x^S <br />