Laserfiche WebLink
i <br /> QUALITY CONTROL DATA PERTAINING TO SAMPLE LOG 2772 <br /> Accuracy and Precision, Soil: <br /> Analysis Spike Recoveries,* $gam** <br /> Benzene 100,95 5% <br /> Toluene 100,89 11% <br /> Ethyl Benzene 110,100 10% <br /> Xylenes 110, 97 13% <br /> TPH as Gasoline 80, 77 3% <br /> TPH as Diesel 99,103 4% <br /> Arochlor1254 76 , 81 6% <br /> Blank, Soil: <br /> Anglysis Measured V41ge <br /> Benzene <.005 mg/kg <br /> • Toluene <.005 mg/kg <br /> Ethylbenzene <.005 mg/kg <br /> Xylenes <. 005 mg/kg <br /> Gasoline <.5 mg/kg <br /> TPH as Diesel <10 mg/kg <br /> PCBs <.02 mg/kg <br /> * 100 is the optimum value for a spike recovery. <br /> ** RPD is "Relative Percent Difference" , which is defined as <br /> the difference of two values divided by their mean, expressed <br /> as a percentage. <br /> Western Environmental <br /> Science&Technology <br /> 1046 Olive Dave Suite 3 <br /> Davis CA 95616 <br /> 916 753-9500 <br />