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1 <br /> Sequoia 6110 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget lane Walnut Creek.CA 94598 (9z5)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)92I-0100 <br /> 1455 McDowell 81vd North Ste.0 Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> &7,= vw.L -: yGa .i..,•,+wiµ ..vF.cs.z �. 5. � w. 4 .bww .,rtisw .ettler-F�yan-bu in Client f�roject b C�rlocaf S#0187, Stockton Sampled Feb 5, 1999$ <br /> R6747 Sierras Court, Suite J Sample Matrix- Water Received Feb 5, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 5030/8015 Mod /6020 Reported Feb 12, 1999 <br /> Attention Deanna Harding First Sample# 902-0651 <br /> rv+A,rqi»l�a[aaw..prJrC4.�.a.N.a.'$:Y v41v+nvlhrJ a. n. h�C4 bnux,..rw.,..h ..,.,.wn.W-.Wvw++ nfilx ttb.4�knruSd34.{ry 4Ms w+,Y n bu.1.ni .x:w n l-MWxv}r t <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> 1 Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D. I D. 1 D. ID I.D. 1 D. <br />' ,ug/L 902-0651 902-0652 902-0653 902-0654 902-0655 902-0656 <br /> TB-LB U-1 U-2 U-4 U-5 U-6 <br /> Purgeable <br />' Hydrocarbons 50 N D N D N D N D N D N D <br />' Benzene 0 50 N D 052 N D 088 N D 072 <br />' Toluene 050 N D 22 N D N D 10 34 <br /> Ethyl Benzene 050 N D N D N D N D N D 062 <br /> Tota! Xylenes 050 N D 4 4 N D 1 1 13 3 8 <br />' Chromatogram Pattern <br /> 1 <br />' Quality Control Data <br /> Report Limit Multiplication Factor 10 10 10 10 10 10 <br />' Date Analyzed 2/10/99 2/10/99 2/10/99 2/10/99 2/10/99 2/10/99 <br /> Instrument Identification HP-5 HP-5 HP-5 HP-5 HP-5 HP-5 <br />' Surrogate Recovery, % 101 95 112 107 94 95 <br /> (QC Limits = 70-130%) <br /> 1 <br /> Purgeable Hydrocarbons are quarittated against a trash gasoline standard <br />' Analytes reported as N D were not detected above the stated reporting limit <br /> *yEQUOIA ANALYTICAL, #1271 <br /> nne Fegley <br />' Project Manager <br /> 9020651 GET <1> <br />