Laserfiche WebLink
r <br /> RESNA Industries Inc <br /> Quality Assurance/Quality Control Plan <br /> Revised November 1992 <br /> ' 7.0 FIELD EQUIPMENT CALIBRATION AND MAINTENANCE <br /> The following measuring equipment may be used during the Remedial investigation. Equipment <br /> ' is grouped by field activity. Calibration procedures and frequency are listed by piece. <br /> ' Soil Borings and Well Dimension <br /> ' Steel and coated cloth tape. Calibration: none. <br /> ' Water Level Measurements in Wel <br /> Steel surveyors tape Calibration- manufacturer supplied temperature correction will be <br /> ' applied as applicable for field conditions Electrical well sounders. Calibration: check <br /> against steel surveyor's tape <br /> anic Vapors <br /> ' Photoionization Detector (PID) Calibration: dally field calibration using a isobutylene <br /> standard as per manufacturers instructions <br /> Groundwater pH Measurement <br /> ' Digital pH meter Calibration standard pH solutions of 4, 7, and 10 will be utilized for <br /> daily field calibration according to manufacturers instructions. <br /> 1 <br /> Electrical Conductivity <br /> ' Electrical Conductivity meter. Calibration- factory-calibrated annually and periodically <br /> calibrated against laboratory prepared standard calibration solution. <br /> 1 <br /> Wate-r Temperature <br /> Mercury or digital thermometers. Calibration: factory calibrated once. <br /> QAQC1092 FNL 5 <br /> 1 <br />