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NATIONAL ADN'ERTISING COMPANy— ADDITIONAL SUBSURFACE INVESTIGATION HEALTH ANTI) SAFETYPLAN' 9.0 DECONTAMINATION l� Whenever personnel or work materials (tools, etc.) may have contacted contaminated materials, it will be necessary to perform a decontamination procedure prior to leaving the controlled work area. 9.1 GENERAL DECONTAMINATION PROCEDURES Contamination reduction procedures appropriate for the existing work area will be developed and specified by the SSO. Such procedures must be in place before site operations begin, and they must remain in place (modified as necessary) throughout the period of activity. Wherever possible, the need for decontamination should be reduced through work practices that minimize contact with contaminants. Personnel should avoid walking through heavily contaminated areas, should not kneel or directly touch contaminated materials, and should use remote handling and sampling techniques when feasible. Decontamination will be performed only in designated areas. Separate areas may be set up for equipment and personnel. A decontamination corridor will be established at each station. Personnel and equipment must move through this corridor during all phases of the decontamination process. 9.2 PERSONNEL DECONTAMINATION Decontamination procedures must be carried out on all personnel who have been in contact with contaminated materials. Under no circumstances (except emergency evacuations) will personnel be w allowed to leave a controlled work area where contaminants are exposed without performing decontamination. Decontamination of personnel should be performed at a Personal Decontamination Station on the site and should consist primarily of soap and water washing and water rinse of exterior protective gear to remove contaminants, followed by doffing of the gear. Coveralls- should be removed by turning the clothing inside out. A procedure appropriate to the degree of contamination should be established. The extent of washing required, or modifications to the sequence, may be specified as appropriate. 9.2.1 Level D Personnel Decontamination Personnel exiting the Exclusion Zone while site activities require the use of Level D PPE will perform decontamination in accordance with the following guidelines: rr.. 1. Place tools, instruments, samples and trash at an appropriate location. The equipment drop area should be clean and dry and at a minimum, plastic bags should be available for trash. 4., Waste PPE will not be placed in the same containers as general trash. 2. Inspect equipment, samples, and if applicable, tools for signs of residual amounts of 16o contamination or excessive soil buildup. If present, soils and contamination must be completely cleaned off of equipment, samples, and tools prior to removal from the Exclusion Zone areas. 3. Personnel will visually check themselves for signs of excessive soils and possible contamination. If observed, soils and contamination will be completely removed before further decontamination is performed. 4. Prior to exiting the Exclusion Zone areas, personnel will wash their hands with soap and water in order to minimize the potential for contaminant exposure. 9.2.2 Modified Level D Personnel Decontamination Where activities are performed in Modified Level D PPE personnel will perform decontamination using " the following guidelines: hslprojsuplcominachasp.doc 9-1 42/09/98 L.