laboratory procedures, personal protective equipment, electrical safety, fire safety, and hazardous waste disposal. Many chemicals have properties that make them hazardous: they can represent physical hazards (fire, explosion) and/or health hazards (toxicity, chemical burns, and dangerous fumes).
Washington's 17th legislative district. Washington's 17th Legislative District is one of forty-nine districts in Washington state for representation in the state legislature. The district includes eastern Vancouver and other parts of southwest Clark County east of I-205.
There are 30 legislative districts in Arizona, each of which is a multi-member constituency. Each district elects a state senator and two state representatives for a two-year term. The crossing of upper and lower house districts into a single constituency is found in only seven U.S. state legislatures: Arizona, Idaho, Maryland, New Jersey, North Dakota, South Dakota, and Washington.