Western Canadian Select (WCS)

SECTION 2: Hazards identification

OSHA Hazards EMERGENCY OVERVIEW DANGER Colour: Brown to black. EXTREMELY FLAMMABLE LIQUID AND VAPOR - Physical State: Liquid. VAPOR MAY CAUSE FLASH FIRE. HARMFUL OR Odour: Petroleum. Rotten FATAL IF SWALLOWED. CAN ENTER LUNGS AND eggs. CAUSE DAMAGE. CANCER HAZARD – CAN CAUSE CANCER. IRRITATING TO EYES AND SKIN. WHMIS Personal Protection Equipment TDG (Ground) @(I) t!000Ci)

Potential health effects

See Section 11 for more information. •

Principle Routes of Exposure

Eye contact. Skin contact. Inhalation. Ingestion. Skin absorption Inhalation: May cause respiratory irritation. Signs/symptoms may include cough, sneezing, nasal discharge, headache, hoarseness, and nose and throat pain. Excessive inhalation may cause headache, dizziness, confusion, loss of appetite and/or loss of consciousness. This product contains small amounts of Hydrogen sulphide that may accumulate in confined spaces. Hydrogen sulphide may cause symptoms such as digestive upset and loss of appetite, loss of sense of smell and pulmonary edema. At 500-1000 ppm Hydrogen sulphide may cause respiratory paralysis, collapse and death without rescue. Eye: Causes eye irritation. Signs/symptoms may include redness, swelling, pain, tearing, and blurred or hazy vision. Skin: Causes skin irritation. Signs/symptoms may include localized redness, swelling, and itching. Ingestion: May be fatal if swallowed and enters airways. May cause gastrointestinal irritation. Signs/symptoms may include abdominal pain, stomach upset, nausea, vomiting and diarrhea.

Medical Conditions Generally Aggravated by Exposure

Not available. Target Organs: Skin. Eyes. Gastrointestinal tract. Respiratory system. Lungs. Blood. Cardiovascular system. Bone marrow. Liver. Reproductive system. Nervous system.

Environmental effects

See Section 12 for more information. This material is considered hazardous by the OSHA Hazard Communication Standard, (29 CFR 1910.1200).