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y � <br /> Spargerly Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> Technologyinc. Scientific Division <br /> With Automation in Mind <br /> ti <br /> 1 <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention: Mr. Rich Hamilton Date Sampled: Jul. 8, 1993 <br /> Semco Date Received: Jul. 8, 1973 <br /> 431 W. Hatch Rd. Date Analyzed: Jul. 8, 1993 <br /> Modesto, CA 95351 <br /> Project ID: #47431 Project: MUSD <br /> Client ID: WS-1 @ 17' LAB ID: STM93-07-008MS <br /> STM93-07-008MSD <br /> Matrix: Soil 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 29 ug/kg 107% 97% •., 10% <br /> Toluene 30 ppb ND 28 26 ug/kg 93% 87% 7% <br /> Ethylbenzene 30 ppb ND `31 30 ug/kg 103%. 100% 3% <br /> Xylenes 30 ppb ND 26 28 ug/kg 87$- 93% .7% <br /> Surrogate % Recovery of TFT = 98% <br /> ppb = parts per billion = ug/kg = micrograms per kilogram <br /> ppm-- parts per million = ug/g = micrograms per gram <br /> ND = Not Detected. Compound(s) may be present at concentrations below the detection limit. <br /> (1 ,7— <br /> �I f <br /> 1 <br /> Principal Chemist Date 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 /> 029..X <br /> 3050 Fite Circle, Suite 112 • Sacromento, a i�fornia *5827'•- (916) 362-8947 • FAX(916) 362-0947 <br /> 1 <br />