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Spargero Analytical Laboratory Division <br /> Mobile Laboratory Dmsion <br /> TJ <br /> eehnolo y Inc Scientific Division <br /> With Automation in Mind <br /> EPA Method 601 <br /> Halogenated Volatile Organics Laboratory Control Spike (LCS) <br /> and Laboratory Control Spike Duplicate (LCSD) <br /> Attention Mr Jeffrey Rothgery Date Sampled May 29, 1997 <br /> Apex Envirotech, Inc Date Received May 30, 1997 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Jun 12, 1997 <br /> Fair Oaks, CA 95628 Invoice# 7855 <br /> Project# ERA02 009 Project Name Moore Petroleum <br /> Client ID LCS/LCSD LAB ID 7855-LCS <br /> 7855-LCSD <br /> Matrix Water Dilution 1 1 <br /> UNITS = ugll <br /> Sample Spike LCS LCSD LCS LCSD QC Limits <br /> Compound Conc Added Result Result % Rec % Rec RPD RPD % Rec <br /> 1,1-Dichloroethane ND 10 11 12 110% 120% 9% 20 65-135 <br /> Trichloroethene ND 10 12 11 120% 110% 9% 20 65-135 <br /> 1,2-Dichloropropane ND 10 11 11 110% 110% 0% 20 65-135 <br /> Chlorobenzene ND 10 11 10 110% 100% 10% 20 65-135 <br /> 1,2-Dichlorobenzene ND 10 11 90 110% 90% 20% 20 65-135 <br /> Surrogate % Recovery of 2-Bromo-1-Chloropropane 96% LCS 93% LCSD <br /> Surrogate % Recovery of 1,4-Dichlorobutane = 98% LCS 92% LCSD <br /> ppb=parts per bilLon=ugll=micrograms per liter <br /> ppm=parts per million=ug/ml=micrograms per milliliter <br /> NO=Not Oetected Compound(s)maybe present at concentrations below the detection limit <br /> Jul 15, 1997 <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 /> 601 ICsW <br /> 3050 Fite Circle Suite 112 • Sacramento California 95827 - (996) 362-8947 e FAX(916) 362-0947 <br />