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4036 Youngfield wheatlR d'geIC0~80033 <br />(303)425-6021 <br />VOLATILE ORGANICS ANALYSIS DATA <br />^ ent Sample Number SWMW-31 <br />Sample Number X22088 Client Pro ect No. :SOUTHWEST PORTEND <br />Received 06/08/90 Lab Projec~ No. 8142 <br />D e Sampled 06/08/90 Effective Dilution 1.00 <br />Date Extracted/Prepared 06/11/90 Method 6260(8240) <br />Date Analyzed 06/11/90 Matrix WATER <br />Methanol Extract? e N Lab File No. >V2010 <br />Percent Loss on Drying NA Method Blank No. RB061190 <br />Compound Name Cas Number Conc. PQL* <br />uq/L ug/L <br />ethylvinyl E <br />m <br />-2-Pentanone <br />1, <br />Te <br />10 <br />10 <br />1 <br />5 <br />5 <br />Surrogate Recoveries: QC Limits <br />1,2 Dichloroethane-d4 1058 76-114 <br />Toluene-d8 948 ~BB-1103 <br />Bromofluorobenzene 938 86-115) <br />Qualifiers: <br />u =Compound analyzed for, but not detected above reportingg limits. <br />Reporting limits are roughly the method detection limits for reagent water <br />J = Indicates an estimated value when the com ound is detected, but is <br />below the EPA Practical Quantitation Limi~ (PQL). <br />B =Compound found in blank and sample. Compare. lank and sample data. <br />E =Compound is detected at a concentration outside the calibration limits. <br />* = Practical Quantitation Limits listed in EPA SW846 Vol. 1B, Part II <br />pa. 8240-4. The minimum instrument detection limits are less than tie <br />numbers shown in this column. <br />Unless otherwise noted all concentrations and PQL's for soils are <br />quantitated on a weight basis. (NA = not applicable or not available) <br />~oved: C~1'r` <br />Joh Parker Quality Assurance Officer <br />