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<br /> <br /> ProjectiYarrative <br /> Page 2 <br /> DOA140232 <br /> bi <br />H151A <br />H <br />id <br /> er <br />c <br />es <br /> Sample DOA140232-011 exhibited Surrogate recovery above the established control limit due to matrix <br />' effects. The analyst observed clear evidence of matrix interference on the sample chromatogram. <br /> The laboratory control sample duplicate and matrix spike in QC batch 0025146 exhibited spike <br /> recoveries for 2,4,5-TP above the established convol limits at 94% and 9296 respectively. Due to recent <br />' improvements in the extraction process for Herbicides, the percent recoveries are improving for the 8151 <br /> analyzes and the control limits are being revised accordingly. These recoveries are considered to be in <br /> control and no corrective action was performed. <br /> OPP Pest 8141 A <br />' Samples DOA140232-007, -0O8, -009 and -010 exhibited surrogate recoveries above the established <br />control limits due to matrix effects. The MS/MSD performed on sample -009 exhibited spike and <br />surrogate recoveries above the established control limits. The analyst observed clear evidence of matrix <br />interference. <br />t Sample DOA140232-011 was analyzed at a dilution due to the high concentration of target analyzes. The <br />surrogate recoveries could not be calculated as a result of this dilution. <br />1 <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br />