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PDFWAC 296-307-70460

Personal protective equipment.

• Only properly trained employees should select PPE. Hazardous materials technicians and hazardous materials specialists can select PPE within the competencies specified in Table 4.
• Selection requirements in other PPE rules also apply, including:
– Chapter 296-307 WAC, Part Y-5, Respirators.
– Chapter 296-305 WAC, Safety standards for firefighting.
You must:
• Provide employees with appropriate PPE and make sure it is used if hazards could be present.
• Select PPE (such as respirators, gloves, protective suits and other PPE) based on:
– An evaluation of the performance characteristics (such as breakthrough time and hazardous substance-specificity of the material or item) relevant to the requirements and limitations of the site.
– Task-specific conditions and durations.
– The hazards and potential hazards of the site (see Table 9, Selecting PPE for Specific Hazards).
• Select totally encapsulating chemical protective (TECP) suits, as specified in Table 9, that:
– Maintain positive air pressure.
– Prevent inward test gas leakage of more than 0.5 percent.
Follow the manufacturer's recommended procedure for testing a TECP suit's ability to maintain positive air pressure and prevent inward gas leakage. Other established test protocols for these suits, for example NFPA 1991 and ASTM F1052-97, may also be used.
Table 9
Selecting PPE for Specific Hazards
Then use:
• Inhalation hazards could be present.
• Positive-pressure (pressure-demand) self-contained breathing apparatus (SCBA)
• A decreased level of respiratory protection only when the incident commander determines, from air monitoring results, that employees will be adequately protected.
Chemical exposure levels will create a substantial possibility of:
• Immediate death.
• Immediate serious illness or injury.
• Reduced ability to escape.
Either positive-pressure (pressure-demand):
• Air-line respirators equipped with an escape air supply.
Skin absorption of a hazardous substance may result in a substantial possibility of:
• Immediate death.
• Immediate serious illness or injury.
• Reduced ability to escape.
Protection equivalent to Level A including a totally encapsulating chemical protective (TECP) suit.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 05-01-166, § 296-307-70460, filed 12/21/04, effective 4/2/05.]
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