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05/01/97 THU 07 19 Fk1 209 932 0. 23 FGL ENNIRONMENTL 10002 <br /> ENVIRONI-viENTAL <br /> AMA LY MAL CHEMISTS <br /> March 24, 1997 LAB No STK 731427-1 <br /> Granite Construction Company RE Organic Analysts <br /> P 0 Box 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, HCl 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 u9/L U9/L <br /> Benzene 0.3 ND 0 3 ND <br /> Ethyl Benzene 0.3 ND 0.3 ND <br /> Methyl tent-Butyl Ether 5 NO 5 NO <br /> Toluene 0 3 NO 0 ,3 ND <br /> Xylene 0.6 ND 0 6 ND <br /> SAMPLE LAB BLANK <br /> SURROGATES AR REC, AR % REC. <br /> BFB 61-130 97 61-130 96 <br /> DLR = Detection Limit for Reporting Purposes MGL = Kaxintan contaminant LereL ( -- indicates none determined.) <br /> ug/L = Micrograms Per Liter (ppb) WD a Not Detected at or above the DLR. AR = Acceptable Range <br /> • = DLR adjusted because of dilutions, cancentrattons, or Limited sample <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 /> Corporate Olrkces 6 labor;tory 010ce 6 Laboreiory Field Dlflce <br /> PO Box 2721 gt3 Corpora+lon 5lree1 2500 51996c00,11 Fiona 0*213P CA <br />