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PDFWAC 296-843-11005

Complete a preliminary site evaluation before allowing employees to enter the site.

You must complete a preliminary site evaluation by doing all the following:
Collect or develop the following information to the extent available:
The site location and approximate size
A description of the response activity and the job tasks to be performed
The time needed to cover all planned activities
The site's topography and all ways to access the site
The current status and capabilities of any emergency response team assisting during an emergency
The safety and health hazards expected at the site
The hazardous substances and health hazards at the site, including their chemical and physical properties
All hazardous substance dispersion pathways
An emergency response plan
Have a qualified person evaluate the preliminary site information to identify:
Potential site hazards and risks
The most appropriate methods to protect employees
Conditions that have the potential to cause death or serious harm, including potential inhalation or skin absorption hazards that are immediately dangerous to life or health (IDLH)
Examples include:
Confined space entry
Potentially explosive or flammable environments
Visible vapor clouds
Areas where plants or animals have died
Risks related to specific on-site hazardous substances and health hazards
Examples include:
Exposures exceeding the permissible exposure limits (PELs) or published exposure levels
IDLH concentrations
Potential skin absorption and irritation sources
Potential eye irritation sources
Explosion sensitivity and flammability ranges
Oxygen deficient atmospheres
Have a qualified person prepare an initial site characterization and analysis for the site to:
Identify known and suspected health and safety hazards for the site
Aid in selecting control methods to protect employees from site hazards
Brief employees on site conditions before any work starts
Initiate the site-specific health and safety plan (HASP)
Characterization and analysis of site hazards is an ongoing process for work on the hazardous waste site.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-843-11005, filed 11/6/18, effective 12/7/18; WSR 04-02-053, § 296-843-11005, filed 1/5/04, effective 5/1/04.]
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