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Spargero Analytical Laboratory DPmsion <br /> "OT <br /> Mobile Laboratory Division <br /> J <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 Tom Landwehr Date Sampled Oct 13, 1997 <br /> Apex Envirotech, Inc Date Received Oct 15, 1997 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Oct 27, 1997 <br /> Fair Oaks, CA 95628 Invoice# 8572 <br /> Protect# ERA02 009 Project Name New Manteca Frontage Road <br /> Client ID LCS/LCSD LAB ID 8572-LCS <br /> 8572-LCSD <br /> Matrix Water Dilution 1 1 <br /> UNITS = ug1l <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 10 10 100% 100% 0% 20 65-135 <br /> Trichloroethene ND 10 10 10 100% 100% 0% 20 65-135 <br /> 1,2-Dichloropropane ND 10 10 10 100% 100% 0% 20 65-135 <br /> Chlorobenzene ND 10 10 10 100% 100% 0% 20 65-135 <br /> 1,2-Dichlorobenzene ND 10 10 10 100% 100% 0% 20 65-135 <br /> Surrogate % Recovery of 2-Bromo-1-Chloropropane = 90% LCS 95% LCSD <br /> Surrogate % Recovery of 1,4-Dichlorobutane 87% LCS 93% LCSD <br /> ppb=parts per billion=ug/I=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 /> Oct 29, 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 /> (Certficabon No 1614) <br /> 601 LCSW As <br /> 3050 Fite Circle Suite 112 • Sacramento California 95827 * (996) 362-8947 • FAX(996) 362-0947 <br />