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ID Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> ► Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> I <br /> Mill Creek Associates Client Proj ID Roek Bros Property Sampled 09/12/94 f== 11 <br /> F P 0 Box 130 Sample Descript RB-MW7-60 5' Received 09/16/94 1: <br /> Milford, CA 96121 Matrix SOLID Extracted 09/26/94 ; <br /> Analysis Method 8015Mod/8020 Analyzed 09/26/94 <br /> Attention Russell Juncal Lab Number 9409A71-08 Reported 09130194 <br /> ..,Attention <br /> s ..{:313133=.1333:.....1:s r pis"s ,s s'iu4 i==Ls II illllidissu <br /> LIP", nr.e,E=F=l=:"4��s==isii s �9=°9Cxsi i"ss::=3:=33F=i:sls3slllillsl13s3:133 1== iE3£ill=§F==FfIsF:4[ <br /> � : — � s :x ==i=i IIs• "", ..ssuF;=:=s=__ s::l:sll=1 I•Ilsslsssss s, s,s , »o ,, s sj <br /> Instrument ID GCHP-06 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> I <br /> Analyte Detection Limit Sample Results <br /> mg/K9 mg/Kg <br /> I <br /> TPPH as Gas 1 0 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Xylenes (Total) 00050 N D <br /> f Chromatogram Pattern <br /> I <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 83 <br /> 'f <br /> I <br /> I <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Vickie Tague Clark <br /> Project Manager Page 16 <br />