Document DDe8nJOE6NVm06YzQBZzMrZqd

Pennsylvania Glass Sand Corporation Berkeley Springs, lV.Va. 25411 Telephone: (3041 258-2500 November 15, 1985 Attention: Director of Safety- Gentlemen : We have prepared and enclose herewith a revised Material Safety Data Sheet to assist you, our most valued customer, in your compliance with the federal Occupational Safety and Health Act and, where 'applicable, the hazard communication rule promulgated under that Act (Code of Federal Regulations, Title 29, Section 1910.1200). The effective date of the hazard communication rule for employers subject to that rule is May 25, 1986. You -may recall that we have informed you in the past that the sand materials we sell contain free silica and that the hazard of developing silicosis is present if free silica dust is not properly handled. We have asked our customers to advise their employees of this hazard. If we can be of further assistance to you, please call. Very truly yours. HJC:po Director of Sales Silica Products PLANTS dERKELEv S?Ri*CS vv va BRaqy TEXAS COLUMBIA SC OVHOEE. OHIO maPlETCX PA 000536MILL CREEK C*LA -7fWPQRT XJ PAE'ftC MO QUINCY fiA THR RIVERS TX 0 . ennsylvania Glass Sand Corporation Route 522 North P.O. Box 187 Berkeley Springs. WV 25411 (304) 258-2500 MATERIAL SAFETY DATA SHEET TRADE NAME: All silica materials, including ______________________________________ FAMILY NAME: Silica sand; quartz; flint; crystalline silica; free silica (a natural mineral extracted from the earth). CHEMICAL NAME: Silicon Dioxide (Si02) CHEMICAL ABSTRACT SERVICE NO.: 7631-86-9 HAZARDOUS INGREDIENTS: Silica (Quartz): 99.2% to 99.8% free silica. PEL = 0.1 mg Si02 per cu. M. of air Formula; (10 mg/M3) / (%Si02 + 2) (See OSHA regulations (CFR) Title 29, 1910.1000, Table Z-3 for respirable quartz) PHYSICAL DATA: Appearance; Sand -- granular, crushed, or ground. No odor or taste. Color: White or tan Boiling Point: 4,046F Specific Gravity: 2.65 (HJ0 = 1) Insoluble in water. No vapor pressure, vapor density, percent volatile, or evaporation rates FIRE AND EXPLOSION HAZARD DATA: Not flammable. No flash point. No fire or explosion hazard. HEALTH HAZARD DATA: See Hazardous Ingredients data above. PEL =0.1 mg Si02 per cu. M. of air. OVEREXPOSURE EFFECTS: Harmful if inhaled. Repeated and prolonged inhalation may cause delayed injury to lungs (silicosis). Symptoms: Undue breathlessness, cough, sputum production. Emergency first aid procedures: None 000537 Pennsylvania Glass Sand Corporation MATERIAL SAFETY DATA SHEET for Page 2 REACTIVITY DATA: Stability: Stable Incompatibility (materials to avoid): Hydrofluoric acid (HF), in which silica will dissolve and produce the corrosive gas silicon tetraflouride (SiFJ. Hazardous decomposition and hazardous polymerization will not occur. SPILL OR LEAK PROCEDURES: Spill Procedures: Use dustless methods - vacuum and place into ciosable container for disposal, or flush with water. Do not dry sweep. Wear protective equipment specified below. Waste Disposal Methods: Dispose in accordance with federal, state, and local regulations. SPECIAL PROTECTION INFORMATION Ventilation: Use sufficient local exhaust to reduce the dust to the PEL for respirable quartz. Protective gloves: Optional Eye protection: Protect from dust particles. Respiratory protection: Use NIOSH approved dust mask respirator under appropriate OSHA standards and regulations. SPECIAL PRECAUTIONS: Use dustless systems for handling, storage, and clean up so that air borne dust does not exceed the PEL. Use adequate ventilation and dust collection. Practice good housekeeping. Do not permit dust to collect on walls, floors, sills, ledges, machinery, or equipment. Maintain, clean, and test respirators in accordance with OSHA regulations. Maintain and test ventilation and dust collection equipment. Wash clothing which has become dusty; do not beat the dust from the clothing. We recommend that smoking be prohibited in all areas where respirators must be used. WARN YOUR EMPLOYEES (AND YOUR CUSTOMER-USERS IN CASE OF RESALE) BY POSTING AND OTHER MEANS OF THE HAZARD AND OSHA PRECAUTIONS TO BE USED. PROVIDE TRAINING FOR YOUR EMPLOYEES ABOUT THE OSHA PRECAUTIONS. ISSUE DATE: April, 1985 The information and recommendations contained herein are based upon data believed to be correct. However, no guarantee or warranty of any kind, expressed or implied, is made with respect to the information contained herein.