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. . t , � `r/ `•ter <br /> Ground Zero Analysis, Inc. <br /> SITE SAFETY PLAN <br /> Other Hazards (continued, check if applicable) <br /> x❑ Underground/Overhead Utilities (show location of utilities on site map) <br /> How were underground utilities identified? Underground Service Alert will be notified a <br /> minimum of two working days prior to beginning field work. <br /> Verified with magnetometer on-site? As necessary <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 <br /> in 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 /> "�':::i:':Y:::::::::::i: i::�: �:�:: ::::::::::::::: <br /> ar�tot�. gHazard ,;:. :. Sarn1e ' ple <br /> ''*nit: :....:.:.:.:.:.:d.::::::::.: ..::::.::.:.:.:.:: <br /> . . . Ln. MOre :<::.::: <br /> :............ ......... <br /> OVM/FID Organic Vapors At drill rig hourly 20 ppm* Level C w/1/2 or <br /> full face <br /> respirator <br /> OVM/FID Organic Vapors At drill rig hourly >200 ppm Evacuate Site <br /> * Benzene is not specifically monitored for with a OVM so any vapor reading at 20 ppm must <br /> require 1/2 face respirator. Identify sample locations on site map. <br /> PAGE 7 <br />