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Spargero Analytical Laboratory Division <br /> i Mobile Laboratory DvsionT6chnoyInc <br /> Scientific Division <br /> Wdl1 Autorr)otron In Mind <br /> 5020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Ray Henry Date Sampled Feb 10, 1995 <br /> RAN Environmental, Inc Date Received Feb 11, 1995 <br /> 3310 Swetzer Road Date Analyzed Feb 13, 1995 <br /> Loomis, CA 95650 <br /> Project ID 7952 project Name Tri-Valley Growers <br /> Client ID MS/MSD (Batch) LAB ID ST95-02-171A MS <br /> ST95-02-171A MSD ' <br /> Matrix Water Dilution <br /> Conc Sample MS MSD MS % MSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery, Recovery Recove <br />• Benzene 30 ppb ND 32 32 ug/L 107% 107% 0% <br /> Toluene 30 ppb ND 32 32 ug/L 107% 107% 0% <br /> Ethylbenzene 30 ppb ND 31 31 ug/L 103% 103% 0% <br /> Xylenes 30 ppb ND 31 31 ug/L 103% 103% 0% <br /> Surrogate % Recovery of Trifluorotoluene = 100% MS 108% MSD <br /> ppb=parts per billion=ug/L=micrograms per liter <br /> ppm=parts per million=ug/ml=micrograms per milliliter <br /> ND=Not Detected Compound(s)may be present at concentrations below the detection limit <br /> Feb 21, 1995 <br /> R L James Principal Chemist Date <br /> 5PARGER TECHNOLOGY ANALYTICAL LABORATORY INC 15 CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> • [Cerbhcabon No 1614] <br /> 3050 Fite Circle Suite 112 • Sacramento Colifornia 95827 9 (916) 362-8947 • FAX(996) 362-0947 <br />