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Eli.0 G LSC H G[1!tl <br /> ENVIRONMENTAL LABS <br /> 500 Giuseppe Court, Suite 9 0 <br /> Roseville, CA 95678 <br /> Phone# (916) 773-3664 Fax# (916) 773-4784 <br /> OA/OC REPORT <br /> Attention Mr Dale Anderson Date Analyzed 04-12-97 <br /> VERSAR Matrix Water <br /> 7844 Madison Ave, Ste 167 <br />' Fair Oaks, CA 95628 <br /> Project 3372-00I/DSA Arlrly Aviation Support Fac <br /> l <br /> Ethyl- Total <br /> Benzene Toluene benzene Xylenes <br /> PPB PPB PPB PPB <br /> _Reporting Limit 0 5 05 05 05 <br /> QA/QC PARAMETER <br /> Matrix Blank ND ND ND ND <br /> 1 PERCENT RECOVERIES <br /> Laboratory Control Spike 95% 98% 98% 99% <br /> ' <br /> Laboratory Control Spike 98% 101% 101% 103/ <br /> IDuplicate <br /> ppb=parts per billion=ug L=microgram per liter <br /> ND =Not detected Compound(s)mat be present at concentrations beloN the reporting lmut <br /> All surrogate recovenes Acre rnthm 30%of target values <br /> Spikes&Spite Dupheates Here each spd ed Aith 250 ng BTEC standard <br /> ' ANALYTICAL PROCEDURES <br /> BTE\--Bement toluene ethyibenzene and total aN lene isomers(BTE\)are measured b-, extraction using EPA Method 5030 folloucd b5 anahsls <br /> using EPA Method 602,Much utihze%a gas chromatograph(GC)equipped with a photoiontzauon detector(PID) <br /> 1 <br /> 04-14-97 <br /> ' ab ratory <br /> ReNpItisentative Date Reported <br /> E\CELCHEM ENVIRONMENTAL LABS N CERTIFIED M THE STATE OF CALIFORNIA <br /> DEPARWENT OF HEALTH SER%ICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> ' (Cem6caoon No 1760) <br />