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_....}_.?,_.awl::'.....',�.�.;:,o.Hc#-w...:�..tis:.;"i'S".�Ln�a`�L'�..^".".�`Css.�"s°.=1.�i�l�.:_�u.a1Qn'.���=r��:rt_.rh�_•_u3.....�'ry,i"�`��S;S��_,LTi' i�i�'4+.._:'.+:�u:..��,.i.'tCd^,:,z3xS'.."v.•,u.r�hr,^.+.ek:^.', •,.,tc�:w.�t..=`,1c'k.`�.$a.��ti�t;'�w.:,:�`u�..�* <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbel]com E-marl mamQmccampbelI com <br />' Date Sampled 08/01/01 <br /> Advanced GeoEnviroamental Client Project ID Flag City Chevron <br />' 837 Shaw Road Date Received 08/02/01 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 08/02/01 <br />' Client P O Date Analyzed 08/02-08/06/01 <br /> Diesel Range(C10-C23)and Oil-Range(C18+)Extractable Hydrocarbons as Diesel and Motor Od* <br /> EPA methods modified 8015,and 3550 or 3510,Cahfomia RWQCS(SF Say Region)method GCFID(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)+ TPH(rno)+ %Recovery <br /> Surrogate <br /> 74021 Influent W ND ND 89 <br /> 74022 Effluent W ND ND 89 <br /> I <br /> 1 • <br /> I <br />' Reporting Limit unless otherwise W 50 ug/L 250 ug/L <br /> stated,ND means not detected above <br /> the reporting]unit S 1 0 mg/kg 5 0 mg/kg <br /> *water samples are reported m ug/1.,wipe samples in uglwipe,soil and sludge samples m mg/kg,and all TCL?/STLC!SPLP extracts in <br /> ug/L <br /> "cluttered chromatogram resulting in coeluted surrogate and sample peaks,or,surrogate peak is on elevated baseline,or,surrogate has been <br /> dinunished by dilution of onginal 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 recagnizahle pattern,c) <br /> aged diesel7 is significant),d)gasoline range compounds are significant,e)medium boding point pattern that does not match diesel(?),f) <br /> one to a few isolated peaks present,g)oil range compounds are significant,h)lighter than water inumscible sheen is present, i) liquid <br /> sample that contains grtrater than�5 vol °�sediment. <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />