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Sequoia 680 Chesapcoike Drive Redwood City,CA 94063 (415) 364.9600 FAX(415) 364-9233 <br /> �,.,�1� 404 N.Wiget Lane Walnut-Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> 8 19 Striker Avenue,Suite 8 Sacr arnento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> Analytical <br /> ................................... . ....... <br /> ............... <br /> ................. ......... ............................ <br /> ........ ...... <br /> Brown ain"d Caldwell cramento.....dProject ie'n't" '" I bi ' "#209 <br /> ............... <br /> ...........Sampled: Mar. 1.4..... <br /> 1997:::: <br /> 9616 Micron Ave., Ste. 600 Sample Matrix: Water Received: Mar 17, 1997'..".' <br /> Sacramento, CA 95827 Analysis Method: EPA 5030/8015 Mod-/8020 Reported: Mar 27, 1997'..".: <br /> Attention: Steve Misner First Sample 703-1533 <br /> ..................................... ....... <br /> .... .......... <br /> ........... <br /> ........................................................ <br /> QC Batch Number: Gr-032697 GC032697 GC032697 GC032697 GCO32697 <br /> 802004A 802004A 802004A 802004A 802004A <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> it <br /> Reporting Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. <br /> jjg/L 703-1533 703-1534 ;j 703-1535 703-1536 703-1537 <br /> ATR-5 ATR-4 ATR-3 SMW-1 ATR-8 <br /> Purgeable <br /> Hydrocarbons 50 N.D. 150 1,200 1,700 350 <br /> ii <br /> it <br /> Benzene 0.50 N.D. 1.5 10 130 4.2 <br /> Toluene 0.80 N.D. N.D. N.D. N.D. N.D. <br /> Ethyl Benzene 0.50 N.D. N.D. 43 N.D. 1.6 <br /> H <br /> Total Xylenes 0.50 N.D. N.D. 19 N.D. 26 <br /> MTBE 2.5 N.D. 870 620 230 N.O. <br /> Chromatogram Pattern: Unidentified I Gasoline& Gasoline& Gasoline <br /> Hydrocarbons iuiscrete Peak Discrete Peak <br /> Quality Control Data <C7 <br /> Report Limit Multiplication Factor: 1.0 1.0 10 10 1.0 <br /> Date Analyzed: 3/26/97 3/26/97 3/26/97 3/26/97 3/26/97 <br /> Instrument Identification: HP-4 HP-4 HP-4 HP-4 HP-4 <br /> I. <br /> Surrogate Recovery, %: 103 109 104 114 100 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbont are quantitated against a fresh gasoline standard <br /> Analytes reported as N.D.were not detected above the stated reporting limit. <br /> SEQUOIA ANALYTICAL, #1271 Please Note: <br /> MTBE as reported was analyzed on 03/26/97 on HP-2 at a multiplication factor of 10. <br /> Melissa A. Brewer <br /> Client Services Representative <br /> 7031527,BRS <2> <br /> �D <br />