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CHEF TECH ANALYTICAL LABORATORIES, INC. <br /> n3hrvIWAMPWWWWWAA Naitojrcae <br /> A N A L Y T I C A L D A T A R E S U L T S <br /> ANALYSIS: GC/MS CONFIRMATION <br /> CLIENT PROJECT NAMEICODE: LA&ORA2i0RY F'LE <br /> REGAL # 804 1091CT <br /> Sampled: 11-09-89 Received: 11-10-89 <br /> Unless not •a In the aovem iwtivri ewsnp3err y. ,oafvvd fay `$ SsiideX1*►ed <br /> LAS ./►T07i.I8®. INC' met ZPA._10C=Y6 ar►rpafna oaiatrlravxr/eAiDP <br /> ana waveThe vsctrratvd/rnalymed within the mpeatilad hol6ts+lfi f?vXiatl. <br /> analyzebGC/MS after meeting <br /> p Bromofluorobenzenne� ((BFB) .were BFB� <br /> Laboratory blanks were analyzed in addition to Surrogates which <br /> were added to the sample to monitor analysis efficiency. <br /> f DATA RESULTS: <br /> - DOHS does not require second column or GC/MS confirmation of <br /> • _ analytes found in samples being analyzed for the BTEX, ONLY <br /> samples which are analyzed using EPA SERIES f500 , 800 , 50Q0/80G0 <br /> METHODS) require these form of confirmation. <br /> Because these samples contained high levels of petroleum <br /> hydrocarbon compounds eluting in the C-$ to C-18 range the cikelt <br /> ' requested GC/MS analyses for eonflrmation for the preserve or <br /> absence of Xylene Isomers which could co-elute with compounds ii <br /> this range. <br /> The samples below were analyzed by GC/MS fog the purpose <br /> Asfa <br /> confirming the presents of Xylenes in the soil samples. <br /> result of the reine <br /> LEVELS of any %YLaENfil IS MERSsts, hatsorples aboveoat reportingD limit OETECTABfE <br /> 0. 035 mg/Kg,ppm- <br /> CHEMTECH SAMPLE MATRIX GC/MS <br /> ID gPDT+: DESCRIPTION: TYPE: RESULTS: <br /> 891381 SP2-1 -A S ND as listed above <br /> 382 SP2-1 -B S ND as listed above <br /> 383 SP2-1 -C S ND as listed above <br /> 384 SP2-1 -D S ND as listed above <br /> ,ygppovsn s�. <br /> 301" KIL.GORE ROAD st'i0 • RWuHO CORDCVA CA 5 <br />