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/1 Sequoia <br />Analytical <br />404 N Wiget Lane <br />Walnut Creek CA 94598 <br />(925) 988.9600 <br />FAX (925) 98$-9073 <br />www sequoialabs com <br />Gettler R}an hic -Dublin Project Chevron <br />6747 Sierra Court Suite J Pro)ectNumher Che%ron SS49-5775 Reported <br />Dublin CA 94568 Project Manager Scott Polston 11 -May -00 07 30 <br />Total Purgeable Hydrocarbons (C6 -C12) and BTEX in Air by DHS LUFT <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />Anal}te Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br />EFF (WO04648-01) Air Sampled 26 -Apr -00 15 all <br />Recce td 28 -Apr -00 13 30 <br />Purgeable ]fidrucarhons <br />43 <br />20 in�,m' Air 0 2 OE03007 28 Apr 00 28 -Apr 00 DHS LUFT <br />BcnzenL <br />064 <br />0 010 <br />ToluLne <br />24 <br />0 010 <br />Eth-, ibtnzi`ni <br />1 1 <br />0 010 <br />XN ILnCS (total) <br />85 <br />0 010 " <br />Sin togate a a a-Tt 0107otoluene <br />89 7 % 70-130 <br />INF (WO04648-02) Air Sampled <br />26 -Apr -00 15 50 <br />Recenred 28 -Apr -00 13 30 P-01 <br />Purgeable HN drocarbons <br />61 <br />20 m6�m' Air 02 OE03007 28 Apr 00 28 -Apr 00 DHS LUFT <br />Benzene <br />026 <br />0 010 " <br />Toluene <br />2 1 <br />0 010 <br />Ethvibsnzene <br />14 <br />0 010 <br />X3lenes (total) <br />11 <br />0 010 <br />Siatogare aaa-Tt ifluoi otohtene <br />920% 70-130 <br />Sequoia Analvucal - Walnut Creek The results ui thrs repoil apply ro the samples analyzed in accordance %ah the chm" of <br />custody docunient This analytical report must be reproduced In iit euh0 <br />Page 3 of 7 <br />'*: <br />