MSDS MATERIAL SAFETY DATA SHEET ECOSORB W-762 1. Product & Company Identification Product Name: W-762 CAS Number: MSDS Number: Issue Date: N/A 870 8-Aug-2008 e-Mail: Web Site: [email protected] www.gravertech.com Supplier/Manufacturer: Graver Technologies LLC Address: Telephone Number: FAX Number: Emergency Phone: 200 Lake Drive Glasgow, Delaware 19702-3319 U.S.A (302) 731-1700 (302) 731-1707 (800) 249-1990 Product/Material Uses: Removes calcium and other metal cations 2. Composition / Information On Ingredients Chemical & Common Name Hydrated Zeolite Sodium A Powder Fiber, Cellulose Resin, Strong Base Anion Exchange CAS Number 1318-02-1 9004-34-6 69011-15-0 Weight Percent 20 - 40 20 - 40 0.5 - 1.5 This product contains no hazardous ingredients when evaluated by criteria established in the OSHA Hazard Communication Standard (29 CFR 1910.1200). 3. Hazards Identification Primary Route(s) of Entry: inhalation, skin contact Eye Hazards: Causes mild irritation to the eyes. Skin Hazards: Prolonged exposure not likely to cause significant skin irritation. May cause more severe response if skin is abraded (scratched or cut). Ingestion Hazards: Inedible. No known hazards. Inhalation Hazards: Product may cause a dust hazard if allowed to dry out and disperse. May cause respiratory irritation. EMERGENCY OVERVIEW Warning: Toxic fumes may be released in fire situations.

4. First Aid Measures Eye: Hold eyelids apart and flush eyes with plenty of water for at least 15 minutes. Skin: Wash affected areas with soap and water. Get medical attention immediately if irritation develops. Wash clothing before reuse. Thoroughly clean shoes before reuse. Ingestion: No emergency medical treatment is necessary. Inedible. Inhalation: Remove person from source of exposure to fresh air. Get medical attention if irritation develops. 5. Fire Fighting Measures Lower Explosive Limit: N/A Upper Explosive Limit: N/A Fire & Explosion Hazards : Product is moist and dust-free. Clean up...

8. Exposure Controls / Personal Protection Engineering Controls: Product is moist and dust-free. If product dries out it can be rewetted with a fine water mist prior to cleanup. If product dries out and rewetting is not possible, be sure there is adequate general and local exhaust ventilation to prevent excessive airborne dust concentrations. Local exhaust ventilation should be provided to maintain exposures below recommended occupational exposure limits. Eye/Face Protection: Safety glasses are recommended as minimum industial eye protection when handling bulk product or performing spill clean-up....

Graver Technologies LLC Ecosorb W-762 This material is thermodynamically unstable. Because sodium zeolite A rapidly hydrolyzes under environmental conditions, it cannot bioaccumulate. Dispose in accordance with applicable federal, state and local government regulations. Waste product is not considered to be a hazardous waste. Dispose of material in approved landfill. Avoid dispersal of spilled material and runoff into soil, waterways, drains and sewers. U.S. Regulatory Information: Toxic Substance Control Act (TSCA): All ingredients of this product are listed on the TSCA 8(b) Chemical Substance...