GAF MATERIALS CORPORATION MATERIAL SAFETY DATA SHEET MSDS # : 2076 MSDS DATE: 7/21/05 Revision: 1 PRODUCT NAME: CanyonRock TM SECTION 1: PRODUCT AND COMPANY IDENTIFICATION TRADE NAME: CHEMICAL NAME: CHEMICAL FAMILY: MANUFACTURER: ADDRESS: CanyonRockTM N/A N/A GAF Materials Corporation (GAFMC) 1361 Alps Road, Wayne, NJ 07470 24 HOUR EMERGENCY PHONE (CHEMTREC): 800-424-9300 INFORMATION ONLY: PREPARED BY: APPROVED BY: DATE: 800-766-3411 L. Baeder P. Curry 7/21/05 SECTION 2: COMPOSITION / INFORMATION ON INGREDIENTS CHEMICAL NAME CAS # Pumice Silica, Crystalline Quartz Iron Oxide Portland Cement 1332-09-8 14808-60-7 1309-37-1 65997-15-1 Approximate % (BY WT) 40-50 10-15 1-3 35-45 OCCUPATIONAL EXPOSURE LIMITS OSHA (PEL) ACGIH (TLV) 30mg/m3 30mg/m3 10mg/m3 15 mg/m3 0.05 mg/m3 0.05 mg/m3 5mg/m3 10mg/m3 SECTION 3: HAZARDS IDENTIFICATION HEALTH EFFECTS PRIMARY ROUTE OF EXPOSURE: SIGNS & SYMPTONS OF EXPOSURE: ACUTE EFFECTS: CHRONIC EFFECTS: IARC MONOGRAPHS: Skin, Inhalation Eyes: Irritation, itching Skin: Irritation, itching Ingestion: Unlikely. Observe to ensure intestinal obstruction does not occur Inhalation: Dust. Irritation. Irritation Inhalation of high levels of dust over long periods of time may cause lungs to be more vulnerable to pneumoconiosis. Silica, Crystalline Quartz as dust is considered a Group 1 carcinogen. SECTION 4: FIRST AID MEASURES FIRST AID PROCEDURES: PAGE 1 OF 3 Eyes: Immediately flush eyes with water. If irritation persists, seek medical attention. Skin: Flush with large amounts of water. If irritation persists, seek medical attention. Ingestion: Unlikely, but if it does occur, watch the person to make sure intestinal obstruction does not occur. Do not induce vomiting. Seek medical attention. Inhalation: Remove person to fresh air. If irritation persists, seek medical attention. GAF MATERIALS CORPORATION MATERIAL SAFETY DATA SHEET MSDS # : 2076 MSDS DATE: 7/21/05 Revision: 1 SECTION 5: FIRE-FIGHTING PROCEDURES None N/A N/A Product is non-combustible None Use any extinguishing media appropriate for the surrounding fires. FLASH POINT: METHOD USED: AUTO-IGNITION TEMPERATURE: SUITABLE EXTINGUISHING MEDIA: HAZARDOUS COMBUSTION PRODUCTS: RECOMMENDED FIRE FIGHTING PROCEDURES: UNUSUAL FIRE & EXPLOSION HAZARDS: NFPA HAZARD RATING: 1 0 0 None OSHA HAZARDOUS: None HMIS HAZARD RATING: 1 0 0 None Health Flammable Reactive Special Hazards Yes: No: X SECTION 6: ACCIDENTAL RELEASE MEASURES ACCIDENTAL RELEASE MEASURES: Scoop, sweep, or vacuum up materials for disposal in an appropriate container. Avoid dispersion of dust. SECTION 7: HANDLING AND STORAGE HANDLING AND STORAGE STEPS TO BE TAKEN IN CASE MATERIAL IS RELEASED OR SPILLED: PRECAUTIONS TO BE TAKEN IN HANDLING AND STORAGE: Avoid dispersion of dust in the air. Sweep up material and place in an appropriate container for disposal. Wash spill area but do not wash into storm drains or waterway. Wear appropriate protective equipment. If dust is generated, avoid inhailing dust. Wear appropriate work gloves and protective equipment that complies with ANSI Z87.1. Avoid dust contact with eyes and skin. SECTION 8: EXPOSURE CONTROLS / PERSONAL PROTECTION ENGINEERING CONTROLS VENTILATION: RESPIRATORY PROTECTION: EYE PROTECTION: SKIN PROTECTION: OTHER PROTECTIVE EQUIPMENT: WORK HYGIENIC PRACTICES: ADDITIONAL EXPOSURE GUIDELINES: Provide ventilation as necessary to maintain exposures below occupational exposure limits. If dust is generated, use an appropriate filter respirator. Safety glasses with side shields. Wear appropriate work gloves. N/A Wash thoroughly and launder clothing after use. Do not inhale dust. Wash affected areas with soap and water. SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES APPEARANCE AND ODOR: EVAPORATION RATE: pH (undiluted product): SOLUBILITY IN WATER: PAGE 2 OF 3 Cured concrete product of varying shapes, sizes and colors N/A N/A Insoluble BOILING POINT: N/A MELTING POINT: SPECIFIC GRAVITY: VAPOR PRESSURE: N/A N/A N/A GAF MATERIALS CORPORATION MATERIAL SAFETY DATA SHEET MSDS # : 2076 MSDS DATE: 7/21/05 Revision: 1 SECTION 10: STABILITY AND REACTIVITY THERMAL STABILITY: CONDITIONS TO AVOID (STABILITY): INCOMPATIBILITY (MATERIAL TO AVOID): HAZARDOUS DECOMPOSITION OR BY-PRODUCTS: HAZARDOUS POLYMERIZATION: STABLE X None identified. None identified. None identified None UNSTABLE SECTION 11: TOXICOLOGICAL INFORMATION TOXICOLOGICAL INFORMATION: No data available SECTION 12: ECOLOGICAL INFORMATION Keep out of sewers and waterways. Dispose in approved landfill in accordance with Federal, State and Local regulations. ECOLOGICAL INFORMATION: SECTION 13: DISPOSAL CONSIDERATIONS Sweep or vacuum all spills. Dispose of in accordance with Federal, State and Local regulations. WASTE DISPOSAL METHOD: SECTION 14: TRANSPORT INFORMATION U.S. DOT Transportation PROPER SHIPPING NAME: CLASSIFICATION PACKAGING REQUIREMENTS: QUANTITY LIMITATIONS: CAST STONE, NOI NMFC 90500 CLASS 50 NA SECTION 15: REGULATORY INFORMATION REFERENCES (USED TO CONSTRUCT DOCUMENT): California Prop. 65: Other Regulations: New product. This product contains chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. Canadian Hazardous Products Act: This product contains iron oxides. SECTION 16: OTHER INFORMATION ADDITIONAL COMMENTS: DATE OF PREVIOUS MSDS: CHANGES SINCE PREVIOUS MSDS: None New MSDS New product, new MSDS. This information relates to the specific material designated and may not be valid for such material used on combination with any other materials or in any process. Such information is to the best of our knowledge and belief accurate and reliable as of the date compiled. However, no representation, warranty or guarantee, expressed or implied, is made as to its accuracy, reliability, or completeness. It is the user’s responsibility to satisfy himself as to the suitability and completeness of such information for his particular use. We do not accept liability for any loss or damage that may occur from the use of this information. Nothing herein shall be construed as a recommendation for uses which infringe valid patents or as extending a license of valid patents. PAGE 3 OF 3