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c. Breathing zone vapor concentrations that reach or exceed 10 pp m at the drilling or excavation <br /> area, as detected by the PID, requires site personnel to use a full-face respirator with organic <br /> vapor cartridges while working in the exclusion zone. <br /> d. Breathing zone vapor concentrations that reach or exceed 50 pp m at the drilling or excavation <br /> area,as detected by the PID,requires site activities to be stopped until concentrations decrease. <br /> The site manager should continuously monitor the site perimeter. <br /> e. If breathing zone vapor concentrations are detected at the site perimeter,the site manager shall <br /> monitor the perimeter at 30-minute intervals. <br /> f. If the vapor concentrations continue to reach or exceed a value of 10 ppm at the site perimeter <br /> for 15 minutes, drilling or excavation activities shall be stopped. Appropriate regulatory <br /> agencies should be contacted (see contact sheet). The site manager shall continue to monitor <br /> conditions until levels are reduced to background conditions. <br /> COVID-19 <br /> Due to the rapidly changing nature of best practices for enhanced protect from infectious transmission of <br /> COVID-19, the recommendations provided are guidelines and should be revised as-needed at the tailgate <br /> safety meeting prior to start of field activities. Generally,the following shall be followed: <br /> • Maintain a social distance whenever possible during the work. <br /> • Monitor fellow workers for outward signs of symptoms of COVID-19. Workers that are sick or <br /> show other visible signs shall be sent home. <br /> • Use gloves when passing equipment between workers. <br /> • Wear cloth or disposable face masks when required to regularly work inside the social distance. <br /> Follow recent guidelines provided by OSHA or other applicable regulatory body for similar work in <br /> addition to the above guidelines. <br /> SKIN/CLOTHES PROTECTION <br /> Steel-toed boots will be worn during all activities. <br /> Hard hats will be worn during all activities. <br /> Disposable Tyvek suits, steel-toed rubber boots or steel-toed boots covered with disposable boots, and <br /> nitrile rubber gloves will be worn when deemed necessary by the Site Safety Officer. <br /> Disposable nitrile rubber gloves will be worn for sampling(changed after each sample). <br /> Disposable clothing will be discarded to an appropriate storage container as necessary. <br /> EYE/EAR PROTECTION <br /> Safety glasses will be worn during all activities. <br /> Hearing protection will be worn during all drilling activities. <br /> VEHICLE MAINTENANCE AND SAFETY <br /> All Condor vehicles used on site during the course of work shall be equipped with a first aid kit and a dry <br /> chemical fire extinguisher(10 BC minimum rating). <br /> All cabs are to be kept free of all non-essential items and all loose items secured. <br /> The rated load capacity of a vehicle is not to be exceeded at any time or under any circumstances. <br /> 4M Page 4 of 10 <br /> %4) CONDOR <br />