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R1 � <br /> Spargero Analytical Laboratory DMsion <br /> Mobile Laboratory Dimsion <br /> • Technoboy Inc Sclentfic D'nnsion <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 Tom Landwehr Date Sampled Apr 30, 1998 <br /> Apex Envirotech, Inc Date Received May 1, 1998 <br /> 7844 Madison Ave Ste 106 Date Analyzed May 6, 1998 <br /> Fair Oaks, CA 95628 Invoice# 9451 MAY98 <br /> Project# ERA02-009 Project Name Manteca Moore Petro <br /> Client ID LCS/LCSD LAB 1D 9451-LCS <br /> 9451-LCSD <br /> Matrix Water Dilution 1 1 <br /> . UNITS = ugll <br /> Sample Spike LCS LCSD LCS LCSD QC Limits <br /> Compound Conic Added Result Result % Rec % Rec RPD RPD % Rec <br /> 1,1-Dichloroethane ND 10 11 11 110% 110% 0% 20 65-135 <br /> Tnchloroethene ND 10 10 11 100% 110% 10% 20 65-135 <br /> 1,2-Dichloropropane ND 10 11 11 110% 110% 0% 20 65-135 <br /> Chlorobenzene ND 10 11 11 110% 110% 0% 20 65-135 <br /> 1,2-Dichlorobenzene ND 10 12 11 120% 110% 9% 20 65-135 <br /> Surrogate % Recovery of 2-Bromo-1-Chloropropane = 106% LCS 103% LCSD <br /> Surrogate % Recovery of 1,4-Dichlorobutane = 109% LCS 104% LCSD _ <br /> ppb=parts per billion=ugll=micrograms per liter <br /> ppm=parts per million=ug/ml=micrograms per milliliter <br /> ND=Nat oetected Compound(s)maybe present at concentrations betaw the detection lima <br /> -May 26, 1998 <br /> . R L James, Principal Chemist Date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY INC 1S CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (CerMcabon No 1614) <br /> 601 LCSW As <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 0 (916) 362-8947 9 FAX(946) 362-0947 <br />