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N <br /> Spargero Analytical Laboratory Division <br /> Mobile Laborato Division <br /> T6chnobg- yinc. ry <br /> Scientific DMsion <br /> 1 With Automc7hon in Mind <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Mark Andrews Date Sampled Sep 19, 1994 <br /> Ramos Environmental Engineering Date Received Sep 20, 1994 <br /> 1515 S River Road Date Analyzed Sep 27, 1994 <br /> W Sacramento, CA 95691 <br /> r <br /> Project ID RE252 Project Name 103 N E Street <br /> Client ID LCS/LCSD LAS ID ST94-09-027 LCS <br /> ST94-09-027 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 33 30 ug/L 110% 100% 10% <br /> Toluene 30 ppb ND 30 30 ug/L 100% 100% 0% <br /> Ethylbenzene 30 ppb ND 31 30 ug/L 103% 100% 3% <br /> Xylenes 30 ppb ND 30 30 ug/L 100% 100% 0% <br /> Surrogate % Recovery of Trlfluorotoluene = 107% LCS 97% LCSD <br /> ppb=parts per billion=ug/L=micrograms per Liter <br /> ppm=parts per million=uglmL=micrograms per milliliter <br /> ND=Not Detected Compound(s)maybe present at concentrations below the detection limit <br /> r <br /> Oct 3, 1994 <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 HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No 1614) <br /> 3050 Fite Circle Suite 112 - Sacramento California 95827 • (946) 362-8947 • FAX(916) 362-0947 <br />