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HEALTH AND SAFETY PLAN-REVISION 1 <br /> EL RANCHO ROCK&SAND,INC.QUARRY <br /> IMPLEMENTATION OF RECLAMATION <br /> PAGE 3 <br /> 2. Respiratory/Eye/Ear Protection <br /> a. During sampling activities, ambient air and soil vapor will be monitored <br /> with an OVA. <br /> b. Site perimeter will also be monitored on 30 minute intervals. Monitoring <br /> frequency will be increased by the site manager if conditions approach 10 <br /> _ ppm with the OVA. <br /> C. Safety glasses will be worn during all activities. <br /> d. Appropriate hearing protection will be used during all drilling activities. <br /> D. Breathing Zone Monitoring / Respirator Requirements <br /> 1. Breathing zone vapor at detectable concentrations at the excavation, or other area <br /> of contamination, as detected by an OVA, require site personnel to use a <br /> respirator with organic vapor cartridges, and goggles while working in the <br /> exclusion zone. <br /> 2. Breathing zone vapor at detectable concentrations at the excavation, or other area <br /> of contamination requires site manager to monitor site perimeter (concentrating <br /> in the down wind direction). <br /> 3. Breathing zone vapor concentrations and reach or exceed a value of 10 parts per <br /> million at the excavation, or other area of contamination requires site activities <br /> to be stopped until concentrations decrease. Site manager should continuously <br /> monitor site perimeter. <br /> E. Site Perimeter Monitoring / Regulatory Agency Notification <br /> 1. If breathing zone vapor concentrations are detected at the site perimeter, the site <br /> manager shall monitor (fie perimeter on 30 minute intervals. <br /> 2. If the vapor concentrations continue to reach or exceed a value of 10 parts per <br /> million, at the site perimeter for 15 minutes, excavation activities shall be <br /> stopped. Appropriate regulatory agencies should be contacted (see below). Site <br /> manager shall continue to monitor conditions until levels are reduced to <br /> background concentrations. <br />