Laserfiche WebLink
Sequoia 690 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> VFlyarier- - Dublin Client Project ID Unocal Circle K o1i Sampled Jan '25, 1999 <br /> { <br /> 747 Sierra Court, Suite J Sample Matrix Water , 3, � �E_, <br /> R' ceived Jan 25, 1999 <br /> ' Dublin, CA 94568 Analysis Method EPA 5030/8015 a M18020" Reported Feb 9, 1999 <br /> Attention Deanna Harding First Sample # 901-1723 FER <br /> TOTAL PURGEABLE PETROLEUM HYDROCA L;kttI,B=TE?f-/ MTBE <br /> Reporting Sample Sample ample CSamp[e` '` ample <br /> Analyte Limit I D I D I D I D I D <br /> ug/L 901-1723 901-1724 901-1725 901-1726 901-1727 <br /> TB-LB MW-1 MW-2 MW-3 MW-4 <br /> Purgeable <br /> Hydrocarbons 50 N D 40,000 28,000 6,100 1,300 <br /> Benzene 050 N D 320 270 28 10 <br /> Toluene 050 N D 1,800 410 N D N D <br /> Ethyl Benzene 0 50 N D 2,500 2,400 220 30 <br /> f <br /> Wotal Xylenes 0 50 N D 12,000 6,300 190 29 <br /> MTBE 25 N D 22,000 79,000 N D N D <br /> Chromatogram Pattern -- Gasoline Gasoline& Gasoline Gasoline <br /> [Unidentified <br /> Hydrocarbons <br /> C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 200 200 20 10 <br /> Date Analyzed 2/2/99 2/3/99 2/2/99 2/2/99 2/2/99 <br /> Instrument Identification HP-9 HP-9 HP-9 HP-9 HP-9 <br /> Surrogate Recovery, % 93 92 99 88 97 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not detected above the stated reporting limit <br /> SEQUOIA ANALYTICAL, #1271 <br /> 114ianne Fegley <br /> Project Manager <br /> 9011723 GEC <1> <br />