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40 Hour HAZWOPER (29 CFR 1910.120) - outline

HAZWOPER Exclusion Zone

The Exclusion Zone is the area where contamination does or could occur. The primary activities performed in the Exclusion Zone are:

· Site characterization, such as mapping, photographing, and sampling.
· Installation of wells for groundwater monitoring.

40 hour HAZWOPER cleanup work, such as drum movement, drum staging, and materials bulking. The outer boundary of the Exclusion Zone, called the Hotline, should be established according to thecriteria listed in module 12. It should be clearly marked by lines, placards, hazard tape and/or signs; or enclosed by physical barriers, such as chains, fences, or ropes. Access Control Points should be established at the periphery of the Exclusion Zone to regulate the flow of personnel and equipment into and out of the zone and to help verify that proper procedures for entering and exiting are followed. If feasible, separate entrances and exits should be established to separate personnel and equipment
movement into and out of the Exclusion Zone.

The Exclusion Zone can be subdivided into different areas of contamination based on the known or expected type and degree of hazard or on the incompatibility of waste streams. This allows more flexibility in safety requirements, operations, decontamination procedures, and use of resources.

The personnel working in the Exclusion Zone may include the Field Team Leader, the work parties, and specialized personnel such as heavy equipment operators. All personnel within the Exclusion Zone should wear the level of protection required by the Site Safety Plan. Within the zone, different levels of protection may be justified based on the degree of hazard presented. The level of personal protection required in each subarea (see Module 8, HAZMAT Personal Protective Equipment) should be specified and marked.

The required level of protection in the Exclusion Zone varies according to job assignment. For example, a worker who collects samples from open containers might require Level B protection, while one that performs walk-through ambient air monitoring might only need Level C protection. When appropriate, different levels of protection within the Exclusion Zone should be assigned to promote a more flexible, effective, and less costly operation, while still maintaining a high degree of safety.

HAZMAT Contamination Reduction Zone

The Contamination Reduction Zone (CRZ) is the transition area between the contaminated area and the clean area. This zone is designed to reduce the probability that the clean Support Zone will become contaminated or affected by other site hazards. The distance between the Exclusion and Support Zones provided by the CRZ, together with decontamination of workers and equipment, limits the physical activities to be performed.

Other Links of Interest

RCRA Training Safety Training Online HAZMAT Training

 

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