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05/01/97 THU 07 19 Fk11 209 932 0323 FGL ENVIRONHENTL 4 002 <br /> ENVIR,ON'HENTAL <br /> y <br /> ANALYTICAL CHEMISTS <br /> March 24, 1997 LAB No STK 731427--1 <br /> Granite Construction Company RE: Organic Analysis <br /> P 0 Bax 151 Matrix Drinking Water <br /> Stockton CA 95201 - <br /> Project/Site <br /> Sample Description: Breakroom Sink Sampled March 11, 1997 <br /> Sampled by Manuel Simental Received March 11, 1997 <br /> Container VOA Extracted N/A <br /> Preservatives , Na2S203, HCI or NaHSO4 pH < 2 Analyzed March 19, 1997 <br /> QA/QC ID# SP 97031900L A , <br /> BTEX METHOD EPA 8020 <br /> SAMPLE SAMPLE LAB BLANK <br /> CONSTITUENT DLR RESULTS DLR RESULTS <br /> ug/L ug/L ug/L ug/L <br /> Benzene 0 3 ND 0 3 ND <br /> Ethyl Benzene 0.3 NO 0 3 N0 <br /> Methyl tert-Butyl Ether 5 NO 5 ND <br /> Toluene 0.3 ND 0. 3 NO <br /> Xylene 0.6 NO 0 6 ND <br /> SAMPLE LAB BLANK <br /> SURROGATES AR X REC. AR % REC. <br /> BFB 61-130 97 61-130 96 <br /> DLR = Detection Limit for Reporting Purposes. MCL = rlaxtmun contaminant Levet (--- indicates none determined.) <br /> ug/L = Micrograms Per Liter (ppb) 0 m Not Detected at or above the DLR. AR = Acceptable Range <br /> • a DLR adjusted because of dituttons, concentrations, or Limited salrple <br /> See attached for Quality Assurance report If you have any questions, please call . <br /> FGL ENVIRONMENTAL <br /> Charles Johnson, B.S <br /> Laboratory Manager <br /> CJ Jgc <br /> Corporeto Offices 6 Woretoty 0111co&Lahorelery Field 0111ce <br /> PO Doi 2721 e53 Cerporarlen Sire@! 2500 slagacoecn Road Visalia CA <br />