Laserfiche WebLink
i ROY F WESTON, INC <br /> STOCKTON ANALYTICAL LABORATORY <br /> ANALYTICAL CASE NARRATIVE <br /> i <br /> i <br /> Client* AREG-MAJOR MART <br /> iRFW#: 9303S279 <br /> Test: SW8020-PURGEABLE AROMATICS <br /> i1. This narrative covers the analysis of fourteen (14) soil samples in accordance with <br /> protocols based on SW-846, method 8020. <br /> iZ. The analytical holding time for this analysis was met. <br /> 3 The standards were analyzed m dual dissimilar columns simultaneously. Calibration <br /> criteria were met for all analytes, with the exceptions of the end of the run standard <br /> for sample UT IW which had Ethylbenzene (-16%n) and Toluene (-17%). <br />' 4. The method blanks associated with these samples did not contain any target analytes <br /> at, or above, the reporting limits. <br /> i5 Surrogate recoveries were within Laboratory QC limits with the exceptions of P-BE6 <br /> (51%), PS25CON (47%) and PS3000N (46%) which was due to column type and <br /> imatrix interferences. <br /> 6 Blank spike recoveries were within Laboratory QC limits. <br /> i7 The matrix spike and matrix spike duplicate were within Laboratory QC lirruts. The <br /> RPD's for the matrix spikes were within Laboratory QC limits. <br /> i8 Retention times were within QC tolerance limits. <br /> i <br /> Uiut Leader Date <br />