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Care will be taken to avoid dusty conditions resulting from work activities. Presence and <br /> concentrations of dust, if any, will be monitored in accordance with the Site Health and Safety <br /> Plan. Fugitive dust will be monitored by all Geofon personnel, and mitigated by correcting <br /> vehicle/machinery operation and/or by wetting exposed surfaces. <br /> If required, prior to commencing excavation or removal and loading operations, soils <br /> and/or the stockpile surface will be thoroughly wetted with water to prevent potential off-site <br /> migration of dust. The process will be repeated as required to prevent the generation of dust. <br /> Geofon personnel will carefully apply water used to mitigate dust. Water use will be monitored <br /> at all times and at no time will water be allowed to run or pond on-site in excessive quantities <br /> that would create hazardous or dangerous conditions for personnel or equipment. Should excess <br /> water use be detected, the Geofon Project Manager will be notified immediately and the situation <br /> will be immediately corrected. <br /> Any offsite release or suspected offsite release of hazardous substances must be <br /> immediately reported to the Site Safety and Health Officer. Any suspected exposure to <br /> hazardous substances resulting from PPE failure, accident, or other reason must be reported to <br /> the Site Safety and Health Officer, in writing, within 24 hours. <br /> 3.34 FIELD INSTRUMENT CALIBRATION, MAINTENANCE,AND REPORTING <br /> 3.34.1 PID <br /> The PID being used is a MiniRAE Plus Professional PID. The MiniRAE Plus is a <br /> programmable Professional Photo Ionization Detector (PID) used to measure organic vapors in <br /> hazardous environments. The instrument incorporates a sampling pump and data download <br /> capabilities for continuous toxic monitoring, site survey, and leak detection applications. It can <br /> 41 <br />