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1 <br /> Sparger Analytical Laboratory Dmsion <br /> Mobile Laboratory Derision <br /> •Technoly lnc Scientific Division <br /> Witf) Ai-dornabon in Mln(I , <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Rick Walls Date Sampled Sep 14, 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 /> Conc 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 />'•Toluene 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 29 ug/L 100% 97% 3% <br /> Surrogate % Recovery of Tritluorotoluene W 97% LCS 100% LCSD <br /> ppb-pane per billion=ug7L=micrograms per Luer <br /> ppm=parte per million=ugrmL=micrograms per mdldder <br /> ND=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> 1 <br /> ' Sep 25, 1995 <br /> R L James,Principal Chemist Date Reported <br />' SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HA7ARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> 3050 Fite C ucle Sud( l 12 Sc rcfapy?t1to Crilift 1,,r)icy 9,`V7 -, (916) 3?.52-6947 FAY (9 16) M2 / 94,7 <br />