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1 � <br /> sparger Analytical Laboratory Division <br /> , <br /> roto Division <br /> Mobile Labo ry <br /> Technology, Inc Scientific Division <br />' Willi Au1orru7hc.»i in h4iriJ <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br />' Attention Mr Rick Walls Date Sampled Sep 15, 1995 <br /> Geocon Environmental Date Received Sep 15, 1995 <br />' 3235 Sunrise Blvd , Suite 6 Date Analyzed Sep 20, 1995 <br /> Rancho Cordova, CA 95742 <br /> Project ID S8080-06-03 Project Name 305 S Hutchins <br />' Client ID LCS/LCSD LAB ID ST95-09-020 LCS <br /> ST95-09-020 LCSD <br /> Matrix Water Dilution <br /> Conic Sample LCS LCSD LCS % LCSD % % RPD <br />' Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 31 32 ug/L 103% 107% 3% <br /> 1woluene 30 ppb ND 30 30 ug/L 100% 100% 0% <br />' Ethylbenzene 30 ppb ND 30 29 ug/L 100% 97% 3% <br /> Xylenes 30 ppb ND 30 30 ug/L 100% 100% 0% <br />' <br /> Surrogate % Recovery of Trifluorotoluene = 97% LCS 100% LCSD <br /> 9 rY <br /> ppb=parts per billion=up7L=micrograms per Liter <br /> ppm=parts per million=ug/mL=micrograms per mdlthter <br /> NO=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> 1 <br /> 1 <br /> Sep 25, 1995 <br /> R L James, Principal Chemist Dale Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> 1 <br />' 3050 fde Circ1-, Si ide 112 Cahfnrnlli 0,5821 0 (996) 362-11947 - F,I X (s'1,1) 362-11 '.17 <br />