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1 MATERIAL SAFETY DATA SHEET EM SCIENCE 11. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION 'Manufacturer : Preparation Date.: OS/25/94 Date HSDS Printed.: Sep 25, 1997 EM SCIENCE A Division of EM Industries Information Phone Number.: P.O. Box Democrat Rd. Gibbstown, N.J Hours: Mon. to Fri. 8:30-5 Chemtrec Emergency Number: Hours: 24 hrs a day catalog Number(s): CX0642 CX0645 CX0655 CX0657 CX0646 CX0662 CX0647 CX0663 CX0648 CX0675 CX Activated Darco, Norit, Activated Carbon Chemical Family : Non-metallic Element Formula : C Molecular Weight.: COMPOSITION / INFORMATION ON INGREDIENTS component ----_._ CAS t Appr '" 100% 3. HAZARDS IDENTIFICATION EMERGENCY OVERVIEW combustible Solid. Appearance : Black, odorless, amorphous powder or granules POTENTIAL HEALTH EFFECTS (ACUTE AND CHRONIC) Symptoms of Exposure: Inhalation may irritate nasal and respiratory passages. May irritate eyes on contact. Activated charcoal is frequently contaminated with impurities which may be irritating and toxic, even though pure carbon is not. Medical condo Aggravated by Exposure: Respiratory conditions Routes of Entry : Inhalation, ingestion carcinogenicity : The material is, not listed (IARC, NTP, OSHA) as cancer causing agent. 4. FIRST AID MEASURES Page # 1 (continued on next page)

2 Emergency First Aid: GET MEDICAL ASSISTANCE FOR ALL CASES OF OVEREXPOSURE. Skin: Wash thoroughly with soap and water. Eyes: Immediately flush thoroughly with water for at least 15 minutes. Inhalation: Remove to fresh air; give artificial respiration if breathing has stopped. Ingestion: If conscious, drink water and induce vomiting immediately as directed by medical personnel. Never give anything by mouth to an unconscious person. 5. FIRE FIGHTING MEASURES Flash Point (F) : Flammable Limits LEL (%).: Flammable Limits UEL (%).: Extinguishing Media : Water spray, Carbon dioxide, foam, dry chemical. Fire Fighting Procedures.: Wear self-contained breathing apparatus and protective clothing. Fire & Explosion Hazards.: May ignite at temperatures above 300F in ambient conditions. Danger due to spontaneous heating when wet or tightly packed. 6. ACCIDENTAL RELEASE MEASURES Spill Response: Evacuate the area of all unnecessary personnel. Wear suitable protective equipment listed under Exposure I Personal Protection. Eliminate any ignition, sources until the area is determined to be free from explosion or fire hazards. Contain the release and eliminate its source, if this can be done without risk. Take up and containerize for proper disposal as described under Disposal. Comply with Federal, State, and local regulations on reporting releases. Refer to Regulatory Information for reportable quantity and other regulatory data. 7. HANDLING AND STORAGE Handling & storage: Keep container closed and away from heat, sparks, open flame and oxidizing agents. Avoid wetting and SUbsequent drying in storage. Do not breathe dust. Do not get in eyes. Avoid prolonged, or repeated, skin contact. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION ENGINEERING CONTROLS AND PERSONAL PROTECTIVE EQUIPMENT: Ventilation, Respiratory Protection, Protective Clothing, Eye Protection Material should be handled or transferred in an approved fume hood or with adequate ventilation. Protective gloves (natural rubber, neoprene, PVC or equivalent) should be worn to prevent skin contact. Safety glasses with side shields should be worn at all times. Page # 2 (continued on next page)

3 Work / Hygenic Practices: Wash thoroughly after handling. Do not take internally. Eye wash and safety equipment should be readily available. ~\~ EXPOSURE GUIDELINES OSHA - PEL: Component STEL PPM MG/M 3 Skin 3.5 ACGIH - TLV: STEL Component PPM PPM MG/M3 PPM Skin, , PHYSICAL AND CHEMICAL PROPERTIES Boiling Point (C 760 mmhg).: Melting Point (C) : Specific Gravity (H2O = 1).: Vapor Pressure (mm Hg) : Percent Volatile by vol (%): Vapor Density (Air = 1) : Evaporation Rate (BuAc = 1): Solubility in Water (%) : Appearance : 4200C 3500C Insoluble Black, odorless, amorphous powder or granules 10. STABILITY AND REACTIVITY Stability : Yes Hazardcus Polymerization: Does not occur Hazardcus Decomposition.: COx conditions To Avoid : Avoid dusting (dispersion of fine particles in the air) as dust particles can form explosive mixtures with air. Materials To Avoid : ( ) Water ( ) Acids ( ) Bases ( ) Corrosives (X) Oxidizers ( ) Other : 11. TOXICOLOGICAL INFORMATION Toxicity Data: established Page # 3 (continued on next page)

4 Toxicological Findings: cited in Registry of Toxic Effects of Chemical Substances (RTECS) 12. DISPOSAL CONSIDERATIONS EPA waste Numbers: 0001 Treatment: Specified Technology - Contact your local permitted waste disposal site (TSD) for permissible treatment sites. ALWAYS CONTACT A PERMITTED WASTE DISPOSER (TSD) TO ASSURE COMPLIANCE WITH ALL CURRENT LOCAL, STATE AND FEDERAL REGULATIONS TRANSPORT INFORMATION DOT proper shipping Name : Carbon, Activated (for CX0642) non-regulated (for all other numbers) DOT ID Number : UN1362 (for CX0642) 14. REGULATORY INFORMATION TSCA Statement : The CAS number of this product is listed on the TSCA Inventory. COmponent EHS (302) EHS TPQ (lbs) CERCLA RQ (lbs) COmponent OSHA Floor List 313 DeHinimis for 313 (%) Y 15. OTHER INFORMATION Cormnents: NFPA Hazard Ratings: Health 0 Flammability 1 Reactivity 0 Special Hazards Revision History: 09/01/81 10/01/83 OS/28/86 07/01/87 10/27/87 10/25/90 03/01/91 01/07/92 1 = N/E = Revised Section Not Available Established MSDS 41CX0646 Page * 4 (continued on next page)

5 The statements contained herein are offered for informational purposes only and are based upon technical data that EM SCIENCE believes to be accurate. It is intended for use only by persons having the necessary technical skill and at their own descretion and risk. Since conditions and manner of use are outside our control, we make NO WARRANTY, EXPRESS OR IMPLIED, OF MERCHANTABILITY, FITNESS OR OTHERWISE. Page # 5