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I <br /> QA/QC Procedures <br /> Incl ument calibration. Equipment used to monitor groundwater parameters was <br /> calibrated prior to beginning purging at the site. Monitoring equipment was calibrated <br /> following the manufactures instructions using laboratory grade standards. <br /> JF4uroment Decontamination Non-disposable and non-dedicated sampling equipment <br /> was cleaned prior to use and between uses in each well. Downhole equipment was cleaned by <br /> washing the equipment using a non-phosphate soap solution and rinsing the equipment twice <br /> with distilled water. <br /> Din 1� One duplicate sample was collected from the site from a randomly selected <br /> monitoring well. The duplicate sample was collected at the same time as the original sample <br /> and was treated in the same manner as the original sample The duplicate sample was <br /> submitted to the laboratory for TPHg and BTEX analysis. <br /> Tri Bp lank. A trip blank was prepared by the analytical laboratory and accompanied <br /> the sample bottles throughout the shipping and sampling events The trip blank was submitted <br /> to the laboratory for TPHg and BTEX analysis. <br /> Field Blank. One field blank was collected in the field by the field technician The <br /> field blank was prepared, prior to sampling, by filling three 40-m1 VOAs with distilled water. <br /> The field blank was submitted to the laboratory for TPHg and BTEX analysis. <br /> I <br /> I ! <br /> ! <br /> C � <br /> I _ I <br /> � IY <br /> I I <br /> I I I I I <br /> I I i I1 I <br /> I" <br /> I { II III YY II <br /> I I , I I � I IE i �,I III I I I I I'll ILII !I`II II III It I ! V II I c. �I III. II ,I ' I III III 111 41If I I I 'I'I�I II i SII I !IE � I I �I .I I <br /> I <br />