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LFR Levine-Fricke <br /> Condition Signs Symptoms Response <br /> rapidly as possible; remove <br /> outer clothing and wrap torso in <br /> blankets with hot water bottle or <br /> other heat source. Get medical <br /> attention immediately. <br /> Frostbite Reddish area on Numbness or Place affected extremity in <br /> skin, frozen skin. lack of feeling warm, not hot, water, or wrap in <br /> on exposed warm towels. Get medical <br /> skin. attention. <br /> 6.5 Noise <br /> Noise may result primarily from the operation of drill rigs and mechanical equipment. <br /> The use of heavy equipment may generate noise above the Cal/OSHA permissible <br /> exposure limit for noise of 90 dBA for an 8-hour time-weighted average. Workers will <br /> wear appropriate hearing protection when operating or working near heavy equipment. <br /> If loud noise is present or normal conversation becomes difficult, hearing protection in <br /> the form of ear plugs, or equivalent, will be required. <br /> 6.6 Underground and Overhead Utilities <br /> Reasonable efforts will be made to identify the location(s) of underground utilities <br /> (e.g., pipes, electrical conductors, fuel lines, and water and sewer lines) before <br /> mechanized soil intrusive work is performed. The state underground utility notification <br /> authority (e.g., USA, Dig Alert, Blue Stake) will be contacted prior to the start of <br /> intrusive field activities in accordance with local notification requirements. In areas not <br /> evaluated by the underground utility notification authority, and a reasonable potential <br /> for underground utilities exists, one or more of the following techniques will be <br /> employed to determine the location of subsurface structures: <br /> contracting the services of a qualified private utility locator <br /> • conducting a survey of the subject area by staff trained in the use of subsurface <br /> utility locating equipment <br /> • subsurface testing (i.e., potholing) to the expected depth of probable utilities (not <br /> less than 5 feet) <br /> If utilities cannot be located or if unlocated utilities are suspected to be present, <br /> subsurface activities (i.e., borings, excavation) should not be conducted prior to <br /> confirming the location(s) or absence of underground utilities. <br /> HSP-TnryTircMu GWS=pling:jah Page 9 <br />