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{y <br />819 Striker Avenue, Suite 8 <br />Sequoia Sacramento, CA 95834 <br />(916) 921-9600 <br />IDAnalytical FAX (916) 921-0100 <br />Gettler-Ryan - Rancho Cordova Protect Chevron 9-5775, Lodi, CA Sampled 2128100 <br />3164 Gold Camp Dr, Ste 240 Project Number 346408 06 Received 2129100 <br />Rancho Cordova, CA 95670 Pro ect Manager David Herzog Reported 3110100 <br />Total Purgeable Hydrocarbons (C6 -C12), BTEX and MTBE by DHS LUF"TlQuallty Control <br />Sequoia Analytical - Sacramento <br />Date Spike Sample QC Reporting Limit Recov RPD RPD <br />Anal a Analyzed Level Result Result Umts Recov Limits % Limit % Notes* <br />Batch 0030083 Date Prepared 318100 Extraction Method EPA 5030B McOH <br />Blank 0030083-BLK 1 <br />Purgeable Hydrocarbons 318100 ND mg/kg 100 <br />Benzene ND 000500 <br />Toluene ND 000500 <br />Ethylbenzene ND 000500 <br />Xylenes (total) ND 000500 <br />Methyl tert-butyl ether _ ND to <br />00500 <br />Surrogate a a a -Tris luorotoluene 0200 0 189 600-140 945 <br />LCS 0030083 -BSI <br />Benzene 3/8/00 0200 0 198 mg/kg 700-130 990 <br />Toluene 1.0200 0203 700-130 101 <br />Ethylbenzene 0200 0201 700-130 101 <br />lenes (total) 0 600 0 561 70 0-130 93 5 <br />thyl tert-butyl ether 0200 0 185 70 0-130 925 <br />urrogate a aa-Trifluorotoluene 0200 0202 600-140 101 <br />Matrix Spike 0030083 -MSI 5003009-06 <br />Benzene 318/00 0200 ND 0 174 mg/kg 600-140 870 <br />Toluene to0200 ND 0 179 600-140 89.5 <br />Ethylbenzene 0200 ND 0 178 600-140 890 <br />Xylenes (total) 0 600 ND 0 504 600-140 840 <br />Methyl tert-butyl ether 0200 ND 0 163 600-140 81 5 <br />Surrogate a,a a-Trifluorotoluene 0200 0193 600-140 965 <br />Matrix Spike Dup 0030083-MSDI S003009-06 <br />Benzene 318/00 0200 ND 0 179 mg/kg 600-140 89 5 25 0 283 <br />Toluene 0200 ND 0 170 60 0-140 85 0 25 0 5 16 <br />Ethylbenzene 0200 ND 0 183 60 0-140 91 5 25 0 277 <br />Xylenes (total) 0 600 ND 0 516 600-140 86 0 250 235 <br />Methyl tert-butyl ether _ _ 0200 ND 0 169 600-140 845 250 361 <br />Surrogate a a,a-Trrfluorotoluene 0200 0202 600-140 101 <br />Batch 0030105 Date Prepared 319/00 Extraction Method EPA 5030E McOH <br />Blank 0030105-BLKI <br />Purgeable Hydrocarbons 319100 ND mg/kg 100 <br />Benzene ND 000500 <br />Toluene ND 000500 <br />Ethylbenzene ND 000500 <br />Xylenes (total) ND 000500 <br />ethyl tent -butyl ether ND 00500 <br />. ennn{a Analvttcal - Sacramento *Refer to end of report for text of notes and definitions <br />Page 5 of 7 <br />