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Carbon and Alloy Steels products to determine if it represents a fire or explosion hazard and to determine appropriate protection methods. Avoid breathing dusts or fumes. 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Operations with potential for generating high concentrations of airborne particulates or fumes should be evaluated and controlled as necessary. Eye Protection - Use safety glasses. Dust resistant safety goggles are recommended under circumstances where particles could cause mechanical injury such as grinding or cutting. Face shield should be used when welding or cutting. Skin - Appropriate protective gloves should be worn as necessary. Good personal hygiene practices should be followed including cleansing exposed skin several times daily with soap and water, and laundering or dry cleaning soiled work clothing. Respiratory Protection - NIOSH/MSHA approved dust/fume/mist respirator should be used to avoid excessive exposure. See Section 3 for component material information exposure limits. If such concentrations are sufficiently high that this respirator is inadequate, or high enough to cause oxygen deficiency, use a positive pressure self-contained breathing apparatus (SCBA). Follow all applicable respirator use, fitting, and training standards and regulations. Ventilation - Provide general and/or local exhaust ventilation to control airborne levels of dust or fumes below exposure limits. Exposure Guidelines - No permissible exposure limits (PEL) or threshold limit values (TLV) exist for steel. See Section 3 for component materials. Various grades of steel will contain different combinations of these elements. Trace elements may also be present in minute amounts 9. PHYSICAL AND CHEMICAL PROPERTIES Appearance and Odor — Silver grey to grey black with metallic luster. Boiling Point - Not applicable Melting Point - Approximately 2800 OF pH - Not applicable Specific Gravity (at 15.6°C) - Not applicable Density (at 15.6 °C) - Not applicable Vapor Pressure - Not applicable Vapor Density (air = 1) - Not applicable % Volatile, by Volume - Not applicable Solubility in Water - Insoluble. Evaporation Rate (Butyl Acetate = 1) - Not applicable Other Physical and Chemical Data - None 10. STABILITY AND REACTIVITY Stability - Stable Conditions to Avoid - Steel at temperatures above the melting point may liberate fumes containing oxides of iron and alloying elements. Avoid generation of airborne fume. Hazardous Polymerization - Will not occur. Incompatibility (Materials to Avoid) - Reacts with strong acids to form hydrogen gas. Do not store near strong oxidizers. Hazardous Decomposition Products - Metallic fumes may be produced during welding, burning, grinding, and possibly machining or any situation with the potential for thermal decomposition. Refer to ANSI Z49.1 11. TOXICOLOGICAL INFORMATION The primary component of this product is iron. Long-term exposure to iron dusts or fumes can result in a condition called siderosis which is considered to be a benign pneumoconiosis. Symptoms may include chronic bronchitis, emphysema, and shortness of breath upon exertion. Penetration of iron particles in the skin or eye may cause an exogenous or ocular siderosis which may be characterized by a red -brown Page 5 of 8 Revision Date: 7/25/2013