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ACoustiOl <br /> / e, .5, Use earplugs or earmuffs when noise level prevents conversation in <br /> normal voice at distance of three feet. <br /> t&ficiencv - Confined Soace Hazar�s A-W <br /> Confined spaces include trenches, pits, sumps, elevator shafts, tunnels, or any other area <br /> where circulation of fresh air is restricted or ability to readily escape from the area is <br /> restricted. Consult DHSO and Corporate Health and Safety Policy prior to entering <br /> confined space. <br /> Obtain permit for confined space entry <br /> Monitor 0, and organic vapors before entering. If following values are <br /> exceeded, do not enter. <br /> 0 less than 19.5 percent or greater than 256. <br /> - +otal hydrocarbons greater than 5 ppm above background, if all air <br /> contaminants have not been identified. <br /> i - Concentrations of specific contaminants exceeding action level in <br /> Section 19 if all air contaminants are identified. <br /> �- Monitor 0y and organic vapors continuously while inside confined <br /> space. If values cited in Item I are exceeded, evacuate immediately. <br /> Record instrument readings. <br /> _ At least one person must be on standby outside the confined space who- <br /> is capable of pulling.workers from confined space in an emergency_ <br /> Use portable fans or blowers to introduce fresh air to-confined spaces <br /> whenever use of respirator is required. - - <br /> Work involving the use of flame, arc, spark, or other source of ignition <br /> is prohibited within a confined space. - - - <br /> Radiation Hazards <br /> If radiation meter indicates 2 mR/hr or more, leave the area and consult <br /> DHSO. <br /> A3014-CP 8 <br /> July 1,IM <br /> • - . - _-- - <br />