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I <br /> AI e � • <br /> Ground Zero Analysis, Inc. <br /> SITE SAFETY PLAN <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 /> OVM/FID Organic Vapors 20 ppm* Level C w/1/2 or <br /> full face respirator <br /> OVM/FID Organic Vapors >200 ppm Evacuate Site <br /> * Benzene is not specifically monitored for with a OVM so any vapor reading at 20 ppm must require <br /> 1/2 face respirator. Identify sample locations on site map. <br /> PAGE 6 <br />