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4 <br /> § •Sparger Analytical Laboratory DMsIon <br /> Mobile Laboratory DrAsion <br /> loTechnologyInc Scientific Division <br />' Willi ALjfori)r ll1c-,r? rr) Mn Irl <br />' 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br />' Attention Mr Rick Wails 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 MSIMSD LAB ID ST95-09-020 MS <br /> ST95-09-020 MSD <br />' Matrix Water Dilution <br /> Conc Sample MS MSD MS % MSD % % RPD <br />' Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 32 31 ug/L 107% 103% 3% <br />'Toluene 30 ppb ND 30 31 ug/L 100% 103% 3% <br /> Ethylbenzene 30 ppb ND 29 29 ug/L 97% 97% 0% <br /> Xylenes 30 ppb ND 30 30 ug/L 100% 100% 0% <br /> Surrogate % Recovery of Trifluorotoluene W 101% MS 100% MSD <br />' ppb=parts per billion=ug/L=micrograms.per liter <br /> ppm=parts per million=ug/ml=micrograms per mdldder <br /> ND=Not Detected Compounds.)may be present at ooncentrations below the deiectwn limit <br /> 1 <br /> Sep 25, 1995 <br /> R L James Principal Chemist Date <br /> 1 SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HA7.ARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> io,�o rile r rr(- ie Y)dc 112 w 5<rr rc7rnel)to Cohfo)rr7rc7 - (916) .362-80,17 * 1AX (9M) 162 '7947 <br />