Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Analytical 1900 Bates Avenue,Suite L Concord, CA 94520 (510) 686 9600 FAX(510) 686 9689 <br /> 819 Striker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> %POS Services Client Project ID Unocal#2859,1665 Pacific Ave,Stockton Sampled May 23, 1994 <br /> 2401 Stanwell Dr, Ste 400 Sample Matrix Water Received May 23, 1994 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Jun 7, 1994 <br /> Attention Avo Avedessian First Sample# 405-1180 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I D I D I D I D <br /> pg/L 405-1180 405-1181 405-1182 405-1183 405-1184 405-1185 <br /> MW1 MW2 MW3 MW4* MW5 MW6 <br /> Purgeable <br /> Hydrocarbons 50 N D 130,000 2,300 210 N D 9,300 <br /> Benzene 0 5 076 27,000 84 N D N D 41 <br /> Toluene 0 5 1 1 68,000 16 1 4 074 110 <br /> Ethyl Benzene 0 5 N D 5,400 200 1 7 N D 300 <br /> • Total Xylenes 0 5 088 29,000 540 2 0 076 1,800 <br /> Chromatogram Pattern - Gasoline Gasoline Gasoline and - Gasoline <br /> Unidentified <br />` Hydrocarbons <br /> >C8 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 400 10 1 0 1 0 20 <br /> Date Analyzed 6/3/94 6/5/94 6/3/94 6/3/94 6/3/94 6/3/94 <br /> Instrument Identification HP-4 HP-2 HP-2 HP-4 HP-4 HP-4 <br /> Surrogate Recovery, % 94 105 109 99 94 88 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA ANALYTICAL,#1271 Please Nate <br /> *This sample appears to contain gasoline and non-gasoline mixtures "Unidentified Hydrocarbons >138' <br /> refers to unidentified peaks in the total extractable petroleum hydrocarbons range <br /> B Ke <br /> Project Manager <br /> 4051180 MPD <1> <br />