14255

Appearance/Odor

White or gray powder, lump or stone; odorless Section IV - Fire and Explosion Hazard Data Flash Point LEL/UEL Flammable Limits Extinguishing Media N.A. Not Combustible -- Use extinguishing agent for surrounding fire Special Firefighting Procedures/Unusual Fire and Explosion Hazards Material will not burn. Section V - Reactivity Data Stability Conditions to Avoid (stability - related) Stable Material is stable Incompatibility (Materials to Avoid) Acids: Reacts with acids to form CO2. Ignites on contact with fluorine. Incompatible with ammonium salts and magnesium. Hazardous Polymerization/Hazardous Decomposition of Byproducts Will not occur (none) Section VI - Health Hazard Data

Principle Routes of Exposure

Inhalation, Ingestion

Health hazards

Acute and Chronic) Nuisance dust: Avoid eye contact and breathing dust. Eye contact will cause irritation to occur, breathing will cause coughing, sneezing, or inflammation. Carcinogenicity: OSHA? SiO2 NTP/IARC Monographs? SiO2 Respirable crystalline silica from occupational sources is classified by IARC as a Group I Carcinogen. California Proposition 65: Silica is on the Governor's Proposition 65 list. Components used in this product may contain trace amounts of inherent naturally occurring elements (such as, but not limited to arsenic, cadmium) that are on the Governor's Proposition 65 list. Chemical Lime Company Dolomite MSDS Section VI - Health Hazard Data (continued) Signs and Symptoms of Exposure Eye irritation; coughing or breathing problems.

Medical Conditions Generally Aggravated by Exposure

Respiratory problems, asthma, dermatitis or skin or eye sensitivity. Emergency and First Aid Procedure Flush contaminated area with excess water. If eye contact , rinse eye with eye wash solution or excess water and seek medical attention immediately. Section VII - Precautions for Safe Handling and Use Steps to be Taken in Case Material is Released or Spilled Sweep up and avoid breathing dust. Keep away from acids and other incompatible material. Place in metal container. Waste Disposal Method Dispose of contaminated material based on other contaminates. Precautions to be Taken in Handling and Storage Keep away from acids and other incompatible materials. Other Precautions Avoid eye contact and breathing dust.

NFPA Ratings

HEALTH: 1 FLAMMABILITY: 0 REACTIVITY: 0

HMIS® ratings

HEALTH: 1 FLAMMABILITY: 0 REACTIVITY: 0 D2A Section VIII - Control Measures Respiratory Protection (Specify Type) Dust masks meeting the NIOSH N95 rating are sufficient for casual exposure. (42 CFR) Ventilation Local Exhaust Special Do not dispose of dust with Vent to dust collector combustible materials. Mechanical (General) Other Vent to meet TLV requirements Protective Gloves Other Protective Clothing or Equipment Dry cloth or leather gloves Full clothing to cover arms and legs, safety glasses or face shield. Work/Hygienic Practices Eye wash and shower station should be readily available. Chemical Lime Company provides the information contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This document is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person. Individuals receiving this information must consult their own technical and legal advisors and/ or exercise their own judgment in determining its appropriateness for a particular purpose. Chemical Lime Company makes no representations or warranties, either express or implied, including without limitation and warranties of merchantability or fitness for a particular purpose with respect to the information set forth herein or the product(s) to which the information refers. Accordingly, Chemical Lime Company will not be responsible or liable for any claims, losses or damages resulting from the use of or reliance upon or failure to use this information. References Sax, N.I. & R.J. Lewis Sr. (1989) "Dangerous Properties of Industrial Materials", New York Van Nostrand Reinhold Co. Ltd