Laserfiche WebLink
1 <br /> CASE NARRATIVE <br />' This Case Narrative applies to the data from the analysis of <br /> BTEX by EPA Method 8020; and Total Petroleum Hydrocarbons <br /> ' Purgeable (Gasoline) CA LUFT Field Manual for CHEMWEST Ticket <br /> number 9790. <br /> All Blanks contained no analytes at or above the reporting <br /> ' limit for each analyte. <br /> The linear regression calculation for the initial calibration <br /> ' met required criteria. <br /> Continuing calibration standards were verified and met <br /> acceptance criteria. <br /> The percent recoveries and RPD's for all laboratory quality <br /> control samples were within acceptance criteria. <br /> 1 CALUFT: CHEMWEST follows the California Luft Field Manual <br /> guidelines for Total Petroleum Hydrocarbons Purgeable analysis. <br /> ' Sample 9790-1, 2 appeared to have a hydrocarbon mixture present <br /> other than gasoline. A 1 : 20 dilution was performed due to the <br /> high level of hydrocarbons . <br /> ' r r 1'_17-Qz Kirk Pocan Date <br /> GC Laboratory Manager <br /> 1 <br /> 1 <br /> 1 <br /> 1 � <br /> 1 <br /> CCMPUCHFM MSTPN DIVISION <br />