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moble I—Respiratory pn tecdon for benzene <br /> Condition moMinimum'M ram'pyo* <br /> Any detectable concentration Any self-contauted breathing apparanis with a full f tcepiece and operated in a pressure-demand <br /> or other positive prnsure mode <br /> Any supplied-air respirator with a full faeepiece and operated in a pressure-demand or other , <br /> ' POsMvc Prt:sstu+e mode in combination with an auxiliary self-contatned breatlturg apparatus oper- <br /> ated In a ptzswre-demand or other positive pressure mode <br /> PlaeriOd or emc%=cy entry Any self breathing apparatus with a full facepiece and operated in a pressure-demand <br /> into environments containing or other positive pressure mode <br /> wtirnown or any deux-table <br /> concentration Any supplied-air respirator with a fill] facepiece and operated in a pressure-demand or other <br /> Positive PMSSUVCmode in rntnbmation with an six hwy self-coruained breattung appara w oper- <br /> ated in a prcasure-demand or other positive pressure mode <br /> ' <br /> Firefighting Any self-comauted breathing apparatus with a full faaePieoe and operated in a pmssum-demand <br /> or other positive pmasum triode <br /> Escape only Any aw-pur*ms fid]&=Pu=respirator(gas mask)with a <br /> organic camster chni-style orfront-or back-mounted <br /> A'aPPmPnate tie-type Self-contained breathing apparatus <br /> 'Only NIOSH/MSHA ap roved equipment should be used. <br /> 1 <br /> 1 <br /> i <br /> a SNOW* <br /> »as <br />