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59 10.0 DECONTAMINATION PROCEDURES When zones are utilized, all personnel and equipment existing in the Exclusion/Contamination zone must be decontaminated before entering the Support/Clean zone. The Contractor’s decontamination activities shall be compliant with facility decontamination procedures. This decontamination must be performed to prevent contamination from being transferred into clean areas and contaminating or exposing unprotected personnel. The Health and Safety Officer shall monitor decontamination procedures to determine their effectiveness. 10.1 DECONTAMINATION PROCEDURES Preventing or avoiding contamination of personnel, tools, and equipment will be considered when planning work activities at all field locations. Good contamination prevention and avoidance practices will prevent worker exposure and result in more efficient decontamination. Procedures for contamination prevention and avoidance include the following: • Do not walk through areas of obvious or known contamination unless necessary. • Do not directly handle or touch contaminated materials. • Make sure there are no cuts or tears in PPE. • Fasten all closures in suits and cover them with duct tape, if appropriate. • Take particular care to protect against any skin injuries. • Stay upwind of airborne contamination, where possible. • Never eat or drink in contaminated work areas. • Never carry food, beverages, tobacco, or flame-producing equipment into contaminated work areas. • Minimize the number of personnel and equipment in contaminated areas that are necessary for accomplishing the work. • Choose tools and equipment with non-porous exterior surfaces that can be easily cleaned and decontaminated. • Cover monitoring and sampling equipment with clear plastic, leaving openings for the sampling ports, as necessary; and • Minimize the quantity of tools and equipment necessary in contaminated areas. Depending on the specific job task, decontamination may include personnel themselves, sampling equipment, and/or heavy equipment. The specified level of protection for a task (A, B, C, or D) does not define the extent of personal safety or equipment decontamination. For instance, Level C without dermal hazards will require less decontamination than Level C with dermal hazards. Heavy equipment will always require decontamination to prevent cross- contamination of samples and/or facilities. The following sections summarize general decontamination protocols.