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MONITORING EQUIPMENT ON SITE <br /> Organic Vapor Analyzer Yes PID <br /> Oxygen Meter/LEL No <br /> Combustible Gas Meter No <br /> PID w/lamp of 10. 2 eV Yes <br /> Air Sampling Pump Yes via PID <br /> RISK ASSESSMENT <br /> The primary safety goal during the contamination analysis is to <br /> protect the drilling team and support staff while they collect <br /> representative samples and monitor air quality. Due to the <br /> unconfined nature of the project site, vapors released during <br /> operations will be sufficiently diluted by ambient air so that <br /> the surrounding community will not be exposed to petroleum <br /> vapors. In order to assure that vapor dispersal is adequate, a <br /> portable photo ionizing (PID) detector will be used to monitor <br /> vapor concentrations. If at any time the PTD registers 50 ppm or <br /> greater vapor in ambient air, the drilling activity will cease <br /> until an on-site evaluation is made to proceed or discontinue the <br /> . drilling process. <br /> DRILLING ACTIVITY <br /> Due to the inherent physical danger or working in the vicinity of <br /> mechanical equipment, all personnel will wear hard hats, steel toed <br /> footwear, and safety goggles/glasses at all times. <br /> Work at this site will require working with and around a drilling <br /> rig. This unit operates under high pressure hydraulics. All the <br /> personnel shall use caution while working with and around the <br /> rig, due to the vast number of moving parts in the rig itself. <br /> Correct lifting procedures with heavy equipment (i.e. augers, <br /> cement, sand, supplies) should be observed at all times. Common <br /> sense practice should always be enforced. <br /> Underground and above ground utilities can be hazardous if <br /> precautions are not taken to accurately locate (Underground <br /> Service Alert, site utility plot) in advance to drilling <br /> activities. <br /> It should be noted that summertime heat may initiate weather <br /> stress-related problems and decrease productivity on the job <br /> site. Frequent work breaks may be necessary. Anticipated <br /> temperatures should not pose any problem in and around the Thornton <br /> area during this time of the year. Personnel exposures to <br /> excessive job-related hazards are expected to be minimal using <br /> these safeguards. <br /> 12 <br />