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C 4 40 <br /> Sequoia 690 Chesapeake Onve WWOOd C+ty CA 963 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N W+gct Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 967) <br /> Analytical 819 Slnktr Avenue Sults 8 Sacramento CA 9S814 (916) 921 9600 FAX{916)921 0100 <br /> _ tillllhrt_ "Will I <br /> Environmental Resolutions Client Prat iD Unocal SS# 5886, 205503A� mull!! "Inlil' d ' „9 _ <br /> 74 Digital Drive, Suite 6 Sample Descnpt S3 0-HAI Sampled 04/15/87 <br /> Received 04/18/97 <br /> Novato, CA 94949 Matrix SOLID <br /> Analysis Method 8015Mod 8020 Extracted 04/22/97 <br /> / Analyzed 04/22/97 <br /> Attention Keith Romstad Lab Number 9704812-02 Reported 04/28197 <br /> - " ii=Slllllllll 'II�IIIlillil_ z+nEIPI' I uNllllu+ ""}ugnu, InIIIII " 1411hn "- � n ,,. I I <br /> ' IIIIIl11t 'illlilllll�ll�� 1411n1llui� "Illlllllst '"!llll4i u_ "111111 _uullll 'SIIlilll mill I qac' <br /> QC Batch !Number GG042297BTEXEXA - - """I lUl I unlr, <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> rng/Kg mg/Kg <br /> TPPH as Gas 1 0 N D <br /> Methyl t-Butyl Ether 0025 0 14 <br /> Benzene 00050 N D <br /> Toluene 00050 <br /> Ethyl Benzene 00050 N D <br /> Xyylenes(Tota!) 00050 N D <br /> Chrornatograrn Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 <br /> 4-Bromofluorobenzene 10060 140 104 <br /> 0 0 <br /> ,naiyies reported as N 0 were not present above the stated limit of detec#ton <br /> 3E000IA ANALYTICAL - ELAP #1210 <br /> in Follett <br /> sect Manager <br /> Page 4 <br />