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SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921-9600 a FAX (916) 921-0100 <br /> w,o�r�`�'x�;�'A `�='°�':rv4°?",AN,,. s�.'v"s�'i" '°'c��aw'f �^�•a^^�,0.x <br /> ' �°'°",�wco:,7 <br /> �GroundwaterTechnology Client Project ID #023201466,Golden Grain, Manteca Sampled Oct 13, 1992 f <br /> 4057 Port Chicago Hwy. Sample Matroc: Water Received Oct 14, 1992 n <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Oct 28, 1992`, <br /> Attention• Chris Desocio First Sample# 210-0368 � , , <br /> �F y.,.�fi`F" x X^` ,ru�,uWu4ho52zfimbt97Ywb7Y:twc� <br /> .oc`„xwt.8oacR.+.a tolC:Sb <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEC DISTINCTION <br /> Reporting Sample Sample ' <br /> I' Analyte Umit I.D. I.D. <br /> µg/L 210-0368 210-0369 <br /> INF EFF <br /> -Nu—rgeable <br /> Hydrocarbons 50 1200 N D <br /> Benzene 0 50 300 N D <br /> i I <br /> I <br /> Toluene 0 50 65 N D <br /> Ethyl Benzene 050 25 N D <br /> Total Xylenes 050 100 N D <br /> I <br /> Chromatogram Pattem Gas <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 10 <br /> Date Analyzed 10/22/92 10/22/92 <br /> instrument Identification HP-2 HP-2 <br /> Surrogate Recovery,% <br /> (OC Limits = 70-130%) <br /> h <br /> Purgeable"roearbona are quant,tated against a fresh gasoline standard <br /> Anaiytes reported as N D were not detected above the stated reporting limit <br /> • SEQUOIAN <br /> [t4v; ALYTI <br /> Michael R Giles <br /> Laboratory Director 21oo368 GRC <t> <br />