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04/30/02 TUE 12;38 FAX 1916 2355 GROUNDWATER 1003 <br /> cent. ny: MCL arnpoelt AnaLy-cica-L, ; 1 925 798 4612; Apr-30 <br /> Is12:25Ptfi; Page 4/11 <br /> MCC,AI' PBELL ANALYTICAL INC 110 2nd A w',nuc South,t�D7, Pacheco,CA 94553-5560 <br /> Teleph3iie:925-798-1620 Fax : 925-798-1622 <br /> htl _!/www,ml;e'tnt bell.com E-mail.main(ct�mccampbell.com <br /> F40051PIort <br /> tion Client Project ID;#772233;Parc 13,11 nate Sampled: 04/29/02 <br /> Chiea;n Hwy. Date Received;04/29102 <br /> ncor ,CA 94520-1120 Client Cantiact:Rob Delnagro - Date Extracted:04129/42 <br /> Client P.(); Date Analyzed:04/29/02 <br /> Gasoline Rat.ge(C6-Cl2)Volatile Hydrocarbons as Gasoline*,sl-ith Methyl ter(-Butyl Ether*&BTEX* <br /> E=PA methods 5030, nodificd 14015,and 8024 or 602;California R%%IQC'B(SF Hay Rei0:n)method GCFI1)(5030) <br /> Lab ID I Chi nt ID Matrix TPH(g)-, MTBEEthyl- <br /> Bcrt2enc Toluene Xylencs °7o Recovery <br /> 0204462 benzene Surrogate: <br /> -001 1'D-SF-I(A-D) S -- ND ND ND <br /> PJD IUb <br /> -i. <br /> Repurting Limit unlss <br /> otherwise stated; Nll t leans IN 50 tigrL 5.04D. U.S 0.5 U.5 <br /> nut detected above he <br /> reporting limit LS l.0 mg/kg 0.05C 005 0.005 0.005 <br /> wider and vapo,-camp es ane repaired in ug.'L,wipe sample,in ugiwipe,soil and sludge si-mples in mgli%g,and all TCl-P and SPL?vxiracts in <br /> ugJl. <br /> "cluttertu]chromatograr t;aample peak cuelutes with surrogate peak <br /> 'Tete ]'allowing descriptions of the TPH ehrvmatogratn arc cursory in nature and MIL-Camphell Analytical is not respunsible tar their <br /> interpretation:a)tinmod ficd ur weakly modified gasoline is sigrtiticant,b)heavier gasoline :angc compounds are signilicant(aged gasoline:!);c) <br /> lighter gasoline range c(mpounds(the most mobile fraction)air significant;d)gasoline n!n,ix compounds having broad chromatnaraphic peaks <br /> are significant;biologic-,By altered gasoline'?;e)TPTI pattern that does not appear to be dch red Prem gasoline{?);t)one to a few isolated peaks <br /> present;g)strongly ager gasoline or diesel range compounds arc significant;h)lighter rhari water immiscible sheen is present;i)liquid sample <br /> that contains greaccr that —5 vol.%sediment;j)no retia niaable paitcm. <br /> DIIS Certification ilio. 1644 F dward Hamilton,Lab Director <br /> 04/30,,'(12 TUE 1.1:24 [TX/RX NO 63001 Z 004 <br />