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Sequoia 819 r Avenue, Suite 8 <br />Sacramento, CA 95834 <br />(916) 921-9600 <br />5- Analytical FAX (916) 921-0100 <br />i <br />Gettler-Ryan - Rancho Cordova Project Chevron 9-5775, Lodi, CA Sampled 2128100 <br />3164 Gold Camp Dr , Ste 240 Project Number 346408 06 Received 2/29100 <br />Rancho Cordova, CA 95670 Project Manager David Herzog Reported 3110100 <br />Total Purgeable Hydrocarbons (C6-Cl2), BTEX and MTBE by DHS LUFT/Quality Control <br />Sequoia Analytical - Sacramento <br />Date Spike Sample QC Reporting Limit Recov RPD RPD <br />lnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes' <br />Blank icontinuedl 0030105-BLKI <br />Surrogate a,a,a-Trifluorotoluene 3/9100 0 200 0 185 mg/kg 600-140 925 <br />LCS <br />0030105 -BSI <br />Benzene <br />319/00 <br />0200 <br />0 194 <br />mg/kg <br />700-130 <br />970 <br />Toluene <br />0200 <br />0 199 <br />700-130 <br />995 <br />Ethylbenzene <br />0200 <br />0 196 <br />700-130 <br />980 <br />Xylenes (total) <br />0 600 <br />0 549 <br />700-130 <br />91 5 <br />Methyl tert-butyl ether <br />0200 <br />0 178 <br />700-130 <br />890 <br />Surrogate a a a-Trlfluorotolu me <br />0 200 <br />0196 <br />60 0-140 <br />9$ 0 <br />Matrix Spike <br />0030105-MS1 <br />S003094-01 <br />Benzene <br />319100 <br />0200 <br />ND <br />0 161 <br />mg/kg <br />600-140 <br />80 5 <br />Toluene <br />0200 <br />ND <br />0 168 <br />600-140 <br />840 <br />Ethylbenzene <br />0200 <br />ND <br />0 166 <br />600-140 <br />83 0 <br />Xylenes (total) <br />0 600 <br />ND <br />0 475 <br />600-140 <br />792 <br />Methyl tent -butyl ether <br />0200 <br />ND <br />0 147 <br />600-140 <br />73 5 <br />Surrogate a a,a-Trifluorotoluene <br />0200 <br />0 178 <br />600-140 <br />890 <br />Matrix Spike Dun <br />0030105-MSD1 <br />S003094-01 <br />Benzene <br />319100 <br />0200 <br />ND <br />0 168 <br />mglkg <br />600-140 <br />84 0 <br />25 0 <br />4 26 <br />Toluene <br />0200 <br />ND <br />0 176 <br />" <br />600-140 <br />88 0 <br />250 <br />4 65 <br />Ethylbenzene <br />0200 <br />ND <br />0 175 <br />600-140 <br />875 <br />250 <br />528 <br />Xylenes (total) <br />it <br />0 600 <br />ND <br />0 388 <br />600-140 <br />64 7 <br />250 <br />202 <br />Methyl tent -butyl ether <br />0200 <br />ND <br />0151600-140 <br />__ <br />75 5 <br />25 0 <br />2 68 <br />Surrogate a,a,a-Trifluorotoluene <br />0200 <br />0 187 <br />600-140 <br />93 5 <br />Analytical - Sacramento <br />0 <br />*Refer to enol of report far text of notes and definitions <br />Page 6 of 7 <br />