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AS&IM <br /> SECTION 8: AL. N <br /> Principal Component: Hydrochloric Acid <br /> Occupational Exposure Limits: <br /> Regulatory Limits: <br /> Component OSHA Final PEL OSHA Final PEL OSHA Final PEL <br /> TWA STEL Ceiling <br /> Hydrochloric Acid --- --- 5 ppm <br /> Mixture 7.59 mg/m3 <br /> ACGIH TLV = 5 ppm (7.59 mg/m3)TWA <br /> NIOSH IDLH = 50 ppm(as HC 1,2010) <br /> Exposure Controls: <br /> Eye Protection: Tightly fitting safety goggles.Face shield(8-inch minimum). <br /> Use equipment for eye protection tested and approved under <br /> appropriate government standards such as NIOSH(US)or EN <br /> 166(EU). <br /> Respiratory Protection: Where risk assessment shows air-purifying respirators are <br /> appropriate use a full-face respirator with multipurpose <br /> combination (US)or type ABEK(EN 14387)respirator <br /> cartridges as a backup to engineering controls.If the respirator <br /> is the sole means of protection, use a full-face supplied air <br /> respirator.Use respirators and components tested and <br /> approved under appropriate government standards such as <br /> NIOSH(US)or CEN(EU). <br /> Other Protection: Complete suit protecting against chemicals. The type of <br /> protective equipment must be selected according to the <br /> concentration and amount of the dangerous substance at the <br /> specific workplace. <br /> Ventilation Recommended: Exhaust ventilation is required to meet PEL limits. <br /> Glove Type Recommended: Wear neoprene, nitrile,butyl rubber or PVC gloves to prevent <br /> exposure. <br /> Information on basic physical and chemical properties: <br /> Appearance Colorless to light yellow Ii uid <br /> Odor Pungent(irritating/strong) <br /> Odor Threshold 0.3ppm can cause olfactory fatigue) <br /> H <1 in aqueous solution) <br /> Melting oint/freezing point -30°C -22°F <br /> Initial boiling point >100°C >2l2°F) <br /> Flash point Not applicable <br /> Auto-ignition Temp Not applicable <br /> Evaporation rate No data available <br /> 4 <br /> v1.4 4/15/2015 <br />