Laserfiche WebLink
QA/QC Procedures <br /> instrument calibration Equipment used to monitor groundwater parameters was calibrated <br /> prior to beginning purging at the site Monitoring egtupment was calibrated following the <br /> manufactures instructions using laboratory grade standards <br /> Egt}ipment Decontamination Non-disposable and non-dedicated sampling equipment was <br /> cleaned prior to use and between uses in each well Downhole equipment was cleaned by washing <br /> the equipment using a non-phosphate soap solution and rinsing the equipment twice with distilled <br /> water <br /> DUplicate 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 and was <br /> treated in the same manner as the ongi nal sample The duplicate sample was submitted to the <br /> laboratory for TPHg and BTEX analysis <br /> Trip Blank_ A trip blank was prepared by the analytical laboratory and accompanied the <br /> sample bottles throughout the shipping and sampling events The trip blank was submitted to the <br /> laboratory for TPHg and BTEX analysis <br /> Held Blank One field blank was collected in the field by the field technician. The field blank <br /> was prepared, prior to sampling, by filling three 40-mi VOAs with distilled water The field blank <br /> was submitted to the laboratory for TPHg and BTEX analysis <br />