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Whenever possible, stay at least two feet from turning or rotating machinery. This includes augers, <br />cathead, engine power takeoff, and drill rods. Learn where the rig kill switch is to shut the rig off in case <br />of an emergency. A discussion should be held with the driller on each drill rig at the startup of the field <br />work to discuss the location and use of the kill switch and for documentation of a Safety Inspection such as <br />the Monthly Heavy Equipment Safety Inspection Checklist found in Appendix C. <br /> <br />3.4 Noise Hazards and Controls <br />Exposure to high levels of noise may occur when working near drill rigs or other heavy equipment. Also, <br />depending upon where the work is being performed, local equipment (e.g., airports, factory machines, etc.) <br />may produce high levels of noise. Employees exposed to noise levels in excess of the action level of 85 <br />decibels (A-weighted, Slow Response) will be included into the ATC Policy on Hearing Conservation <br />(Policy No. 34). The SSHO may evaluate employee noise exposures using a Noise Survey Meter or a <br />Noise Dosimeter. The RSC may conduct additional noise monitoring to determine the appropriate <br />response to be taken. Employees will be provided with ear plugs and/or earmuffs when exposed to noise <br />levels in excess of the 8-hour Permissible Exposure Limit (PEL) of 90 decibel (A-weighted, Slow <br />Response). This hearing protection shall have a Noise Reduction Rating (NRR) to protect hearing in <br />accordance with Policy No. 34, including the NRR de-rating factor of [(NRR-7)/2]. <br /> <br />3.5 Biological Hazards <br />Site activities on this Site may expose workers to other hazards such as poisonous plants, insects, animals, <br />and indigenous pathogens. Protective clothing and respiratory protection equipment, and being capable of <br />identifying poisonous plants, animals, and insects, can greatly reduce the chances of exposure. Thoroughly <br />washing any exposed body parts, clothing, and equipment will also protect against infections. If working <br />in wooded/grassy areas, use appropriate insect repellants (containing DEET and/or Permethrin) and apply <br />them per the manufacturers' directions. <br />HASP Level III <br />Rev. 01 — June 11,2007 3-3