Laserfiche WebLink
0 <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue - Suite LM - Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> ..................... .. .... .N 'X,X' <br /> Kaprealian Engineering, Inc. Client Project ID: Unocal/7303 Pacific Ave., Stockton <br /> P.O. Box 996 <br /> Benicia, CA 94510 <br /> Attention: Mardo nP.E. QC Sample Gr <br /> Kaprealia , 99p: 1121160-1163 Reported: Jan 15, 1992 <br /> ........... .... ...... <br /> ........... �0 �x' ..... <br /> .............. ............ <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Diesel Oil and Grease <br /> EPA EPA EPA EPA <br /> Method: 8015/8020 8015/9020 8015/8020 8015/8020 EPA8015 SM5520 <br /> Analyst: K.N./J.F. K.N./J.F. K.N./J.F. K.N./J.F. A.Tuzon D.Newcomb <br /> Reporting Units: pg/L pq/L pg/L pg/L pg/L lig/L <br /> Date Analyzed: Jan 2, 1992 Jan 2, 1992 Jan 2, 1992 Jan 2, 1992 Jan 8, 1992 Jan 3, 1992 <br /> OC Sample#: Matrix Blank Matrix Blank Matrix Blank Matrix Blank Matrix Blank Matrix Blank <br /> Sample Cone.: N.D. N.D. N.D. N.D. N.D. N.D. <br /> Spike Cone. <br /> Added: 20 20 20 60 300 100 <br /> Cone. Matrix <br /> Spike: 21 20 21 65 270 92 <br /> Matrix Spike <br /> %Recovery: 105 100 105 108 90 92 <br /> Cone. Matrix <br /> Spike Dup.: 21 20 21 63 270 93 <br /> Matrix Spike <br /> Duplicate <br /> • Recovery: 105 100 105 105 91 93 <br /> Relative <br /> •Difference: 0.0 0.0 0.0 3.1 1.0 1.0 <br /> Laboratory blank contained the following analytes: None Detected <br /> SEQUOIA ANALYTICAL %Recovery: Conc.of M.S.-Conc,of Sample x 100 <br /> Spike Conc.Added <br /> Relative%Difference: Cone.of M.S.-Conc.of M.S.D. x too <br /> Belinda C. Vega (Conc.of M.S. + Conc.of M.S.D.)/2 <br /> Laboratory Director 1121160.KEII <8> <br />