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ID Sequoia <br />4w Ana lytical <br />G <br />404 N Wiget lam <br />Walnut Credo. CA 94598 <br />(925) 988-9600 <br />FAX (925) 988-9673 <br />www sequolalabs corn <br />Gettler Rvan. Inc - Dubhn Project Chevron <br />6747 Sierra Court Suite j Project Number Chevron # 9-5775 Reported <br />Dublin CA 94568 Project Manager Scott Polston 25-Iu1-00 10 44 <br />Total Purgeable Hydrocarbons (C6 -C12) and BTEX In Air (ppnly) by DHS LUFF <br />Sequoia Analytical - Walnut Creek <br />Reporting <br />Result Lunt Units Dilution Batch Prepared Analyzed Method N <br />Eft(Air) (W007080-05) Air Sampled 06 -Jul -00 12 03 Received 06-1ul-00 13 45 <br />Purgeable Hvdrocarbons <br />53 <br />24 ppinv I 0605016 07 -Jul -00 07 -Jul -00 DHS LUFT <br />Benzene <br />0 18 <br />0 016 " <br />Toluene <br />0 054 <br />0 013 <br />Ethylbenzene <br />ND <br />0 012 " <br />Xylenes (total) <br />027 <br />0 012 " <br />lnf (Air) (W007080-06) Air <br />Sampled 06 -Jul -00 12 06 <br />Received 06 -Jul -00 13 45 <br />Purgeable Hydrocarbons <br />860 <br />2 4 ppmv 1 0G05016 07-1u1-00 07 -Jul -00 DHS LUFT <br />Benzene <br />190 <br />0 016 <br />Toluene <br />230 <br />0 013 <br />Ethylbenzene <br />20 <br />0 012 <br />Xylenes (total) <br />110 <br />0 012 " <br />,7 <br />I - Walnut Creek The results to dus report apply to the samples analyzed in amordmrce with the chmn of <br />custody docrtment. 77us analygeal report must be repr owed to its entirety <br />Iw <br />Page 4 of 25 <br />