Laserfiche WebLink
q. M- M <br /> Zest: 8020 Ccs ElL <br /> :.CS !D: 8020010288lJ <br /> Concentration Units: uo/kg <br /> oration <br /> Accurac Precision <br /> Parameter e --�-�_! LCS2 Limits <br /> % Recover RFS <br /> Ben Bene _^ire LCS1 LCS2 Av. LCS Lirr t <br /> Toluene c50 LCS2!8 cc"16 S7 8b 56 7q-12q 1.2 <br /> 250 272 243 109 99 104 72-127 9.6 g <br /> Accuracy is measured by Percent Recovery as in: <br /> % recovery = mea-ured concentration) x 100 <br /> (actual concentration, <br /> Precision is measured using duplicate tests by Relative Percent Difference <br /> (RPD) as in: <br /> RPD = % recover test ! - g recover test 2 <br /> (X reeovety test 1 X recovery test 2 12 x 100 <br /> Control limits for accuracy (percent recover are bas <br /> historical percent recover 3 <br /> + y) ed on the average, <br /> in <br /> for precision (relative Percentdifferencce)eradvingeofromi0s(identical limits <br /> -� duplicate LCS results) to the average, historical relative percent <br /> difference + 3 standard deviation units. These control limits are updated <br /> Jrv�, on a quarterly basis, . <br /> ` IVAnal sis Results <br /> Test methods prefaced by "Enseco" indicate that minor modifications of <br /> � o published EPA Methods were made such as reporting limits or parameter <br /> lists, Reporting limits are adjusted to reflect dilution of the sample, <br /> when appropriate, Solid and waste samples are reported on. an "as received" i <br /> basis; i-e., no correction is made for moisture content. All data is <br /> "blank corrected" by subtracting the level <br /> reported, of contamination, if any, found <br /> in the laboratory method blank from the analytical result before it is <br /> Results are on the attached data sheets, <br /> f <br />