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.
List of United States congressional districts. There are 435 state congressional districts in the United States House of Representatives, with each one representing approximately 711,000 people. The total number of state members has been capped by the Reapportionment Act of 1929.