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3 f. <br /> Effective Date: August 31, 2018 <br /> California Steel Industries, Inc. <br /> GALVANIZED STEEL <br /> Other Comments: Chronic exposure to manganese may result in a central nervous system disorder <br /> (manganism). Symptoms may include confusion, bizarre behavior,visual hallucinations, difficulty with speech <br /> and movement,tremor, loss of balance, decreased libido and impotence. <br /> l: <br /> Chronic exposure to high concentrations of iron have been associated with hemosiderosis, hemochromatosis <br /> and in severe cases, liver cirrhosis. Typical occupational exposures to iron compounds are not expected to <br /> cause these effects. Chronic inhalation can produce"mottling"of the lungs(siderosis). This is considered a <br /> benign pneumoconiosis and does not normally lead to fibrosis or cause significant physiologic impairment. <br /> 5. FIRE FIGHTING MEASURES <br /> 3 <br /> NFPA Fire Rating: Health Hazard 0(2*) <br /> Flammability 0 <br /> Reactivity 0 <br /> Key: Least=0, Slight= 1, Moderate 2, High=3, Extreme=4 <br /> *If dust is generated <br /> Extinguishing Media: Use dry chemicals, sand, earth,water spray or regular foam for fires involving powder or <br /> dust. <br /> Specific hazards arising from the chemical <br /> Unusual Fire and Explosive Hazards: No unusual fire or explosive hazards are expected. However, dust <br /> powder or fumes are flammable or explosive when exposed to heat or flames. <br /> Hazardous Combustion Products: Combustion may yield smoke, metal oxides and other products of <br /> incomplete combustion. <br /> Special Protective Actions for Firefighters: For fires beyond the initial stage; emergency responders in the <br /> immediate hazard area should wear protective clothing. When the potential chemical hazard is unknown, in <br /> enclosed or confined spaces, or when explicitly required by DOT, a self-contained breathing apparatus should be <br /> worn. In addition,wear other appropriate protective equipment as conditions warrant(see Section 8). Isolate <br /> immediate hazard area and keep unauthorized personnel out. Stop spill/release if it can be done with minimal <br /> risk. Move undamaged containers from immediate hazard area if it can be done with minimal risk. Water spray <br /> may be useful in minimizing or dispersing vapors. Cool equipment exposed to fire with water, if it can be done <br /> with minimal risk. <br /> i <br /> 6. ACCIDENTAL RELEASE MEASURES <br /> Personal Precautions: In case of dust release,stay upwind and away from spill. Notify persons down-wind of <br /> spill/release, isolate immediate hazard area and keep unauthorized personnel out. Contain spill if it can be <br /> done with minimal risk. Wear appropriate protective equipment including respiratory protection as conditions <br /> warrant(see Section 8). See Sections 2 and 7 for additional information on hazards and precautionary <br /> measures. <br /> Environmental Precautions: Prevent spilled material from entering sewers, storm drains, other unauthorized <br /> treatment drainage systems, and natural waterways. <br /> Methods and Materials for Containment and Clean-up: Notify relevant authorities in accordance with all <br /> applicable regulations. Immediately clean-up of any spill is recommended. Sweep up and package appropriately <br /> for disposal. <br /> I <br /> Page 3 of 9 <br />