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. VJ <br /> ?ENTASULFIDE PAGZ 3 OF <br /> COCCUPATIONAI. CONTROL PROCEDURES <br /> Eye Protection: Wear chemical safet <br /> goggles prevent y <br /> eye baths immediately available where eyecontact ccan occur. <br /> Skin Protection: Wear appropriate impervious gloves and protective clothing <br /> that provide a barrier to prevent skin contact. Consult <br /> glove manufacturer to determine appropriate type glove for <br /> given application. Wash immediately if skin is contaminated. <br /> Launder contaminated clothing and clean protective equipment <br /> before reuse. Provide a safety shower at any location where <br /> skin contact can occur. Wash thoroughly after handling. <br /> Respiratory <br /> Protection: avoid breathing dust, mist, or vapor. Use NIOSH MSHA <br /> approved equipment when airborne exposure limits are <br /> exceeded. Full facepiece equipment is recommended and, if <br /> used, rSplaces need for face shield and/or chemical splash <br /> r <br /> goggles. Consult respirator manufacturer to determine <br /> appropriate type equipment for your given application. The <br /> respirator use limitations specified by IQIOSH/:SSHA or the <br /> manufacturer must be observed. High airborne concentrations <br /> may require use of self-contained breathing apparatus or <br /> supplied air respirator. Respiratory protection programs <br /> Cmust be in compliance with 29 CFR 1910.134, 0 <br /> Ventilation: Provide ventilation to control exposure levels below airborne <br /> exposure limits. Use local mechanical exhaust ventilation at <br /> sources of air contamination such as open process equipment. <br /> Consult NFPA Standard 91 for design of exhaust systems. <br /> Before entering transport vehicle or closed storage space, <br /> ventilate to remove Hydrogen Sulfide gas. Always test for <br /> gas before entering. <br /> Airborne Exposure <br /> Limits: <br /> Product: Phosphorus Pentasulfide Wt. Wt. X 100 <br /> (CAS No. 1314-80-3) <br /> OSHA PEL: 1 mg/n3 8-hour time-weighted average <br /> ACGIH TLV8): 1 mg/m3 8-hour time-weighted average <br /> ACGIH TLV: 3 mg/m3 short-term exposure limit <br /> Product: Eydrogen Sulfide ( liberated in presence of water) <br /> (CAS No. 7783-06-4) <br /> OSHA PEL: 20 ppm acceptable ceiling concentration <br /> SO ppm Acceptable maximum peak above acceptable <br /> ceiling concentration (10 minute duration <br /> once only if no other measurable exposure <br /> occurs) . <br /> ACGIH TLV: 10 ppm (14 mg/m_3) 8-hour time-weighted average <br /> 15 ppm (21 mg/m3) short-term exposure limit <br />