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Ground Zero Analysis,Inc. <br /> SITE SAFETY PLAN <br /> Other Hazards (continued) <br /> ❑ Confined Space Entry (follow GZA's Confined Space Entry Procedures) <br /> ❑ Other - explain hazard and mitigation <br /> EXPOSURE MONITORING <br /> All sample results will be recorded in the GZA exposure log. Log copies are filed in the job file, and in <br /> all site personnel's medical file, and maintained in the job file. All sampling instruments will be <br /> calibrated per the manufacturers instructions on a daily basis. <br /> *Note calibration gas and any unusual calibration settings in the "monitoring equipment" column. <br /> **Include monitoring for health hazards, explosion hazards, etc. <br /> Monitoring Hazard Sample Sample Action Action <br /> Equipment Monitored Location Frequency Level <br /> PID VOCs Excavation 15-30 min 200 m Level C w/1/2 or full <br /> Area pp face respirator <br /> Suspend Work <br /> Water storage >2,000 Move to Cool <br /> PID VOCs container 15-30 min ppm** Zone or <br /> Emergency <br /> Assembly Area <br /> • **Personnel will be allowed to reenter hot zone only when site conditions are determined to be <br /> safe. <br /> PAGE 8 <br />