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Spargero Analytical Laboratory Division <br /> Techno� Mobile Laboratory Dnnsion <br /> �y Inc. Scientific Division <br /> With Automation in Mynd <br /> f <br /> 8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> LAttention: Mr. Jeff Rothgery Date Sampled: Oct 19, 1995 <br /> Apex Envirotech, Inc. Date Received: Oct 20, 1995 <br /> 7844 Madison Avenue, Suite 106 Date Analyzed: Oct 25, 1995 <br /> Fair Oaks, CA 95628 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum- Banta <br /> Client ID: MS/MSD (Batch) LAB ID: ST95-10-2155A MS <br /> ST95-10-2155A MSD <br /> LMatrix: Water, Dilution: <br /> Conc. Sample MS MSD MS % MSD% % RPD <br /> Name Spike Added Result Result Result. Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 28 `30 ug/L 93% 100% 7% <br /> L.,,/ Toluene 30 Ppb ND 27 ", 28 ug/L 90% <br /> 93%° 4% <br /> Ethylbenzene 30 ppb ND 28 29 ug/L 93% 97% 4% <br /> LXylenes 30 ppb ND 28 29 ug/L 93% 97% 4% <br /> i <br /> Surrogate % Recovery of Trifluorotoluene=. -115% Ms . 114% MSD <br /> ppb=parts per billion=ug/L=micrograms per liter <br /> ppm=parts per million=ug/mi=micrograms per milliliter <br /> ND=Not Detected. Compound(s)may be present at concentrations below the detection limit. <br /> Nov 1, 1995 <br /> R.L.James,Principal Chemist Date <br /> I SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> 1 <br /> (Certification No.1614) . <br /> 3050 Fite Circle, Suite 112 • Socromento, California 95827 e (916) 362-8947 • FAX(916) 362-0947 <br /> ( <br />