overshoes, etc., as may be appropriate

SECTION 2: Hazards identification

HMIS Classification criteria. Viscosity: Not available. EMERGENCY OVERVIEW Means of Extinguishing: Freezing Point: Not available. DANGER Suitable Extinguishing Media: Powder, water spray, Boiling Point: ~ 100 °C (~ 212 °F) TOXIC BY INHALATION. HARMFUL IN CONTACT foam, carbon dioxide. Flash Point: Not available. WITH SKIN. IRRITATING TO EYES. IRRITATING TO Unsuitable Extinguishing Media: Not available. Evaporation Rate: 1 (Water = 1) SKIN. Products of Combustion: May include, and are not Lower Flammability Limit: Not available.

Potential health effects

See Section 11 for more limited to: oxides of carbon, oxides of nitrogen, oxides Upper Flammability Limit: Not available. information. of sulfur, acidic vapours. Vapor Pressure:

Principle Routes of Exposure

Skin contact, eye contact, -6.6°C @21.1°C Explosion Data: (20°F @70°F) inhalation, and ingestion. Sensitivity to Mechanical Impact: Not available. Vapor Density: Eye: Irritating to eyes. 1 (Air = 1) Sensitivity to Static Discharge: Not available. Specific Gravity: 1.2 Skin: Harmful in contact with skin. Irritating to skin. Protection of Firefighters: Keep upwind of fire. Wear Solubility in Water: Ingestion: May be harmful if swallowed. May cause Partial. full fire fighting turn-out gear (full Bunker gear) and stomach distress, nausea or vomiting. Coefficient of Water/Oil Distribution: respiratory protection (SCBA). Inhalation: Toxic by inhalation. May cause respiratory Not available. tract irritation. Section 6: ACCIDENTAL RELEASE MEASURES Auto-ignition Temperature: Not available.

Potential chronic health

Prolonged or repeated contact may Personal Precautions: Use personal protection Percent Volatile, wt. %: Not available. dry skin and cause irritation. recommended in Section 8. Isolate the hazard area VOC content, wt. %: Not available. Signs and Symptoms: Symptoms may include and deny entry to unnecessary and unprotected discomfort or pain, excess blinking and tear production, personnel. Section 10: STABILITY AND REACTIVITY with marked redness and swelling of the conjunctiva. Environmental Precautions: Keep out of drains, Stability: Stable under normal storage conditions. Prolonged contact can cause severe eye irritation, sewers, ditches, and waterways. Minimize use of water Oxidizing. Do not mix with other chemicals. redness and pain. Symptoms may include redness, to prevent environmental contamination. Conditions of Reactivity: Heat. Incompatible edema, drying, defatting and cracking of the skin. Methods for Containment: Contain and/or absorb materials. Prolonged contact can cause pain, blisters, and serious spill with inert material (e.g. sand, vermiculite), then Incompatible Materials: Reducing agents. Alkalis. skin burns. place in a suitable container. Do not flush to sewer or allow to enter waterways. Use appropriate Personal Hazardous Decomposition Products: May include, Hazardous by WHMIS/OSHA criteria Global Inventories Ingredient Canada USA Carcinogenicity: Not hazardous by WHMIS/OSHA DSL/NDSL TSCA criteria. Calcium nitrate DSL. Yes. Nitric acid DSL. Ingredient Yes. Chemical Listed as Hydrofluoric Acid DSL. Yes. Carcinogen or Potential Ammonium fluoride DSL. Yes. Carcinogen * Calcium nitrate Not listed. HMIS - Hazardous Materials Identification System Nitric acid Not listed. Health - 2*, Flammability - 0, Physical Hazard - 2 Hydrofluoric Acid Not listed. Ammonium fluoride Not listed. NFPA - National Fire Protection Association: * See Section 15 for more information. Health - 2*, Fire - 0, Reactivity - 2 Mutagenicity: Not hazardous by WHMIS/OSHA

Medical Conditions Generally Aggravated by Exposure

and are not limited to: oxides of carbon, oxides of Because of its irritating properties, product may Protective Equipment (PPE). nitrogen, oxides of sulfur, acidic vapours. aggravate pre-existing skin, eye, and respiratory Methods for Clean-Up: Scoop up material and place conditions. Possibility of Hazardous Reactions: Oxidizing in a disposal container. Target Organs: Skin, eyes, gastrointestinal tract, material. Do not mix with other chemicals.

Further information

Not available respiratory system. Section 11: TOXICOLOGY INFORMATION This product is a “Hazardous Chemical” as defined by Section 7: HANDLING AND STORAGE the OSHA Hazard Communication EFFECTS OF ACUTE EXPOSURE Handling: Avoid contact with skin and eyes. Do not Standard, 29 CFR 1910.1200. swallow. Do not breathe gas/fumes/vapor/spray. Use Component Analysis only in well-ventilated areas. Do not mix with other Ingredient This product is a hazardous chemical as defined by IDLH LD50 (oral) LC50 Calcium nitrate Not available. 302 mg/ NOM-018-STPS-2000. Not chemicals. Launder contaminated clothing before kg, rat available. reuse. Handle and open container with care. When Nitric acid Hydrofluoric Acid 100 100 313 Ingestion: May be harmful if swallowed. May cause Ammonium Not listed. Not 100 Not Disclaimer: The information contained in this stomach distress, nausea or vomiting. document applies to this specific material as supplied. fluoride listed. State Regulations It may not be valid for this material if it is used in Inhalation: Toxic by inhalation. May cause respiratory combination with any other materials. It is the user’s tract irritation. California Proposition 65: This product does not responsibility to satisfy oneself as to the suitability and EFFECTS OF CHRONIC EXPOSURE contain a chemical known to the State of California to completeness of this information for the user’s own cause cancer, birth defects or other reproductive harm. Target Organs: Not available. particular use.

Environmental effects

May cause long- 25 ppm Not available. 130 mg/m3 using do not eat or drink. Wash hands before eating, term adverse effects in the aquatic environment. See 4hrs, rat drinking, or smoking. Hydrofluoric Acid Section 12 for more information. 30 ppm Not available. 850 mg/m3 1 hr, rat

Storage

Keep locked up and out of reach of children Ammonium fluoride Not available. Not available. Not Keep container tightly closed and in a well-ventilated available. place. Eye: Irritating to eyes. Symptoms may include discomfort or pain, excess blinking and tear production, with marked redness and swelling of the conjunctiva. NTP (N) Prolonged contact can cause severe eye irritation, SARA Title III Ingredient Section 302 Section CERCLA Section redness and pain. National Toxicology Program. (EHS) TPQ 304 EHS RQ (lbs.) 313 1 - Known to be carcinogens. Skin: Harmful in contact with skin. Irritating to skin. (lbs. RQ (lbs.) Calcium nitrate Not listed. Not Symptoms may include redness, edema, drying, Not 2 - Reasonably anticipated to be carcinogens. defatting and cracking of the skin. Prolonged contact listed. Nitric acid 1,000 can cause pain, blisters, and serious skin burns. 313

Hazard statements

0 = minimal, 1 = slight, 2 = moderate, criteria. 3 = severe, 4 = extreme Reproductive Effects: Not hazardous by WHMIS/ 0 = minimal, 1 = slight, 2 = moderate, Section 13: DISPOSAL CONSIDERATIONS 3 = severe, 4 = extreme

WHMIS Classification

OSHA criteria. Class C - Oxidizing Material Developmental Effects: Class D1B - Toxic Material

Teratogenic Effects

Not hazardous by WHMIS/OSHA Class D2A - Chronic Toxic Effects criteria. Class D2B - Skin/Eye Irritant Embryotoxicity: Not hazardous by WHMIS/OSHA

Hazard pictograms

criteria. Respiratory Sensitization: Not hazardous by WHMIS/ OSHA criteria. Skin Sensitization: Not hazardous by WHMIS/OSHA criteria. Mexico Classification: Toxicologically Synergistic Materials: Not available.

ECOLOGICAL INFORMATION

Ecotoxicity: May cause long-term adverse effects in the aquatic environment. Persistence / Degradability: Not available. Bioaccumulation / Accumulation: Not available. Blue = Health Red = Flammability Yellow = Reactivity Mobility in Environment: Not available. White = Special

Disposal

Instructions This material must be disposed SOURCE AGENCY CARCINOGEN of in accordance with all local, state, provincial, and

2.1 Classification of the substance or mixture

federal regulations. OSHA (O) Section 14: TRANSPORTATION INFORMATION Occupational Safety and Health Administration. DOT Classification ACGIH (G) UN3264, Corrosive Liquids, Acidic, Inorganic, n.o.s. American Conference of Governmental Industrial (Nitric Acid, Ammonium Bifluoride), 8, PG111 Hygienists. ORM-D (< 0.5L) A1 - Confirmed human carcinogen. TDG Classification A2 - Suspected human carcinogen. UN3264, Corrosive Liquids, Acidic, Inorganic, n.o.s. A3 - Animal carcinogen. (Nitric Acid, Ammonium Bifluoride), 8, PG111 Limited Quantity (< 0.5L) A4 - Not classifiable as a human carcinogen. NOM-004-SCT2-1994 Classification A5 - Not suspected as a human carcinogen. UN3264, Corrosive Liquids, Acidic, Inorganic, n.o.s. IARC (I) (Nitric Acid, Ammonium Bifluoride), 8, PG111 International Agency for Research on Cancer. Limited Quantity (< 0.5L) 1 - The agent (mixture) is carcinogenic to humans. Section 15: REGULATORY INFORMATION 2A - The agent (mixture) is probably carcinogenic