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j <br /> Sparger 0 Analytical Laboratory Division <br /> . Mobile Laboratory Division <br /> T6,chno <br /> y Inc Scient�ic Division <br /> With Automation in Mind <br /> EPA Method 601 <br /> Halogenated Volatile Organics <br /> Matrix Control Spike (MS) and Matrix Spike Duplicate (MSD) <br /> Attention Mr Jeff Rothgery Date Sampled Aug 27, 1996 <br /> Apex Envirotech, Inc Date Received Aug 28, 1996 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Sep 10, 1996 <br /> Fair Oaks, CA 95628 Invoice# 6928 <br /> Project# ERA02 009 Project Name Moore Petroleum <br /> Client ID MS/MSD LAB ID 6928-004MS <br /> 6928-004MSD <br /> Matrix Water Dilution <br /> UNITS = ugll <br /> Sample Spike (ppb) Spike Dup Spike Dup QC Limits <br /> Compound Conc Added Result Result % Rec % Rec RPD RPD % Rec <br /> 1,1-Dichloroethane ND 10 10 90 100% 90% 11% 20 51-130 <br /> Trichloroethene ND 10 11 10 110% 100% 10% 20 72-130 <br /> 1,2-Dichloropropane ND 10 11 90 110% 90% 20% 20 67-120 <br /> Chlorobenzene ND 10 11 10 110% 100% 10% 20 59-130 <br /> 1,2-Dichlorobenzene ND 10 11 10 110% 100% 10% 20 60-140 <br /> Surrogate % Recovery of 2-Bromo-1-Chloropropane W 106% MS 97% MSD <br /> Surrogate % Recovery of 1,4-Dichlorobutane= 98% MS 101% MSD <br /> ppb=parts per billion=ugA=micrograms per filer <br /> ppm=parts per mitlion=uglml=micrograms per m llil ler <br /> NO=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> Sep 28, 1996 <br /> �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 MSW XLS <br /> rr r rt- (916) 362-8947 a FAX (916) 362-094 <br />