The following are specific laws passed by the State of Washington Legislature that pertain to occupational safety and health. The laws linked here are hosted on Washington State's Office of the Code Reviser website.
Title 43 RCW - State Government - Executive
Chapter 43.05 RCW - Technical Assistance Programs.
Title 49 RCW - Labor Regulations
Workplace Violence in Healthcare - Chapter 49.19 RCW.
Chapter 49.22 RCW - Safety - Crime Prevention (i.e. Late Night Retail).
Chapter 49.70 RCW - Worker and Community Right to Know Fund
Title 70 RCW - Public Health and Safety
Chapter 70.74 RCW - Explosives.
Chapter 70.77 RCW - Fireworks Act.
Chapter 72.23 RCW - Public and Private Facilities for the Mentally Ill