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nnovative onstruction Oiutions 10 . 0 DECONTAMINATION PROCEDURES When zones are utilized , all personnel and equipment exiting the Exclusion/ Contamination zone must be decontaminated prior to entering the Support/Clean zone . The Contractor' s decontamination activities shall be compliant with facility decontamination procedures . This decontamination must be performed in order to prevent contamination from being transferred into clean areas and contaminating or exposing unprotected personnel . Decontamination procedures shall be monitored by the Health and Safety Officer to determine their effectiveness . 10 . 1 DECONTAMINATION PROCEDURES Preventing or avoiding contamination of personnel , tools , and equipment will be considered in planning work activities at all field locations . Good contamination prevention and avoidance practices will assist in preventing worker exposure and result in a more efficient decontamination process . Procedures for contamination prevention and avoidance include the following . • Do not walk through areas of obvious or known contamination unless absolutely 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 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 amount of equipment in contaminated areas to that necessary for accomplishing the work; • Choose tools and equipment with nonporous 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 in itself define the extent of personal protection 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 . 62