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FEB -12-2001 13:51 CAMBRIA• 510 420 9170 P.02i06 <br />110 2nd Avenue South, #D7, Pacheco, CA 94553-5560 <br />WCAM PBELL ANALYTICAL INC. Telephone : 935-798-1620 Fax . 925-798-1622 <br />J4 h jymccampkil,com E-mail: main&ccampbell.com <br />Cambria Environmental Technology <br />1144 65"' Street, Suite C <br />Oakland, CA 94608 <br />Cliont Project TD; Chevron- Date Sampled: 02/09101 <br />Stockton Dutc Received, 02/09/01 <br />Client Contact; John Riggi <br />Date Extracted. 02/09/01 <br />Client P.O; Date Analyzed: 02/09-02/10/01 <br />Casoline Range (C&C12) Volatile Hydrocarbons as Gasoline*, iwith Methyl tert-)Butyl tither* & BTEX* <br />EPA methods 5030, mudifred 8015. and 8020 or 602; California RwQci3 (Sl: Bay [legion) rnethnd t d TU45030) <br />1 -ab 1D <br />Client 10 <br />Matrix <br />l'Pl I($)+ <br />MTBE <br />Benzene <br />Colucnc <br />Ethyl <br />benzene <br />Xylcnes <br />°�u Recovery <br />Surrogate <br />59829 <br />P-1-5' <br />S <br />ND <br />NO <br />NID <br />ND <br />ND <br />ND <br />103 <br />59830 <br />D -i-4 <br />S <br />5.5,a <br />ND<U.1 <br />0.26 <br />1A <br />0.11 <br />0.56 <br />119 <br />59831 <br />D-2-4.5 <br />S <br />NA <br />NO <br />NO <br />NO <br />NO <br />ND <br />115 <br />59832 <br />1)-3-4 <br />S <br />ND <br />NO <br />NO <br />NO <br />ND <br />XD <br />103 <br />59833 <br />D-4-3.5 ' <br />S <br />1.3,a " <br />NO <br />NO <br />0.020 't <br />0.010 <br />0.080. <br />112 <br />59834 <br />D-5-4 <br />S <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />109 <br />59835 <br />D-64 <br />S <br />ND <br />ND <br />ND <br />ND <br />ND <br />ND <br />106 <br />f <br />i <br />Reporting Limit unless <br />oiherwlse stated: ND <br />means nottC above <br />the repotrtingg limit <br />limit <br />W <br />50 ug/L <br />5.0 <br />0.5 <br />0.5 <br />0,5 <br />0.5 <br />S <br />m� <br />1.0 k 6 r <br />0.05 <br />0.005 <br />0.00 <br />0.005 <br />0.005 <br />• water and vapnT samples arc mpottod in q;/L, wipe samplcs in ugywipc, soil and ,ylurlge samples in mg/kg, and all T('1 -P and 5FLf extracts <br />in ug(l, <br />. cluttered chromatogram; sample peak coelutes with surrogate peak <br />- rhe rolluwing destAnduns Of the 't'PH chromatogram are cur.ury in nature and MXampbell Analytical is not respunbible for their <br />interpretation! a) unmoditicd or weakly otodifed gasuline is significant; b) heavier gusuline range compounds arc xignifeant(aged <br />gasoline?); c) lighter gasoline range compounds (the most mobile listclinn) arc significant, d) gasoline range compounds having holed <br />chromatographic pcakx are sif5nilicanr biologically altered gasalinc?; c) *1'1111 pamm that dura not appear to he derived Wum gasnline (?): r) <br />one to a ftw isolated Peaks present; g) strongly aged gasoline or diesel range compounds are significant: h) lighter ilian water immiscible <br />sheen is present; i) liquid sample Owl cuntains greater than -5 vel % se(iment; j) no recognizable pattern. <br />WS Certification No. 1644 _,,, Edward Hamilton, i ab Director <br />