Product Description: Sulfate Turbidity Tablet Manufactured By: LaMotte Company 802 Washington Avenue Chestertown, MD PEL. 0.

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1 MSDS P.O. Box Washington Avenue Chestertown, MD USA MATERIAL SAFETY DATA SHEET TELEPHONE # FOR INFORMATION HOUR EMERGENCY NUMBER (CHEM-TEL): USA, Canada, Puerto Rico ; Outside rth American Continent (call Collect) 1. Product Identification Product Code: 6456 Product Description: Sulfate Turbidity Tablet Manufactured By: LaMotte Company 802 Washington Avenue Chestertown, MD Composition/Information On Ingredients Hazard CAS#/Name % PEL TLV Barium Chloride dihydrate mg/cubic m as Ba 0.5 mg/cubic m as Ba Adipic acid N/E 5 mg/cubic m Potassium chloride mg/m³ (dust) 10 mg/m³ Sodium carboxymethylcellulose polymer 3. Hazards Overview Primary Route Of Entry: Ingestion Danger! May be fatal if swallowed. Abdominal pain and vomiting. Affects heart, respiratory system, and central nervous system. HMIS Hazard Scale: 4 = Extreme, 3 = High, 2 = Moderate, 1= Slight, 0 = Least Health: 2 Flammability: 0 Reactivity: 0 Carcinogenicity: ne: Other Health Related Comments: See Section 11. 1

2 4. First Aid Measures Eye Contact: Skin Contact: Ingestion: Inhalation: Flush with water for 15 minutes while ocasionally lifting upper and lower eyelids. Consult a physician if irritation persists. Flush with water. Wash skin with soap and water. Induce vomiting as directed by medical personnel. If several tablets have been swallowed seek immediate medical attention. t applicable. 5. Fire Fighting Measures Flash Point (Method Used): LEL: UEL: Extinguishing Media: Special Fire Fighting Procedures: Unusual Fire & Explosion Hazard: t a fire hazard 6. Accidental Release Measures Sweep up. Place in clean, dry container and hold for disposal as hazardous waste. Clean up spill area thoroughly with water. 7. Handling & Storage Keep container tightly closed. Store in cool, dry, ventilated area away from incompatible materials. Keep in secure "poison" location--out of the reach of children. 2

3 8. Exposure Controls/Personal Protection Ventilation rmal Protection When Handling Eye Protection Gloves Lab Coat Work/Hygenic Practices: Avoid handling tablets. Wash hands after handling. 9. Physical & Chemical Properties Appearance: Small White Tablet Solubility In Water: Soluble Odor: ne ph: 3 (1 tablet in 10mL water) Vapor Density: Vapor Pressure: Boiling Point: Melting Point: Unknown 10. Stability & Reactivity Stable: Conditions To Avoid: Incompatibility (Materials To Avoid): Hazardous Decomposition Products: Moisture Strong acids, strong oxidizers 11. Toxicological Information HUMAN LD50 for barium chloride is estimated at about 1 gram for a 70 kg human (Machata 1988), and the LDLo (lowest published lethal dose) is reported to be about 0.8 grams (Lewis and Sweet 1984). Each 6456 tablet contains 20 milligrams of BaCl2.H2O. Target Organs: Central Nervous System Heart 3

4 12. Ecological Information Information t Yet Available 13. Disposal Considerations Do not flush tablets to sewer. Barium chloride is toxic. (EPA waste code D005). Send to hazardous waste facility for treatment & disposal. Dispose according to federal, state, and local regulations. 14. Transportation Information Proper Shipping Name: DOT: BARIUM COMPOUNDS, N.O.S. (BARIUM CHLORIDE) IATA: Hazard Class/Div: DOT: 6.1 IATA: 6.1 UN: 1564 Packing Group: III BARIUM COMPOUND, N.O.S. (BARIUM CHLORIDE) 15. Regulatory Information Hazard Ingredient USA TSCA Chemical Inventory Status Europe --- Canada --- EC DSL NDSL Australia Japan 4

5 Federal, State, & International Regulations --- SARA SARA Ingredient RQ TPQ Listed Chemical Category CERCLA Barium comp. RCRA TSCA 8(D) SARA 311/ Hazard Categories Ingredient Acute Chronic Fire Pressure Reactivity Australia Hazchem Poison Code Schedule 2Z S6 This MSDS Is WHMIS Compliant ne Allocated ne Allocated ne Allocated ne Allocated product Z S6 as a whole 16. Other Information Barium chloride is highly toxic. Keep out of the reach of children. Prepared By: Revised: Regulatory Affairs Department 11/11/2009 5