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A=COM • Be able to determine and implement decontamination procedures; • Have the ability to develop a site safety and control plan; • Understand chemical, radiological, and toxicological terminology and behavior. 4.7 Decontamination Procedures 4.7.1 When possible, all necessary steps shall be taken to reduce or minimize contact with chemicals and impacted materials while performing field activities (e.g., avoid sitting or leaning on, walking through, dragging equipment over, tracking, or splashing potential or known impacted materials). 4.7.2 All personal decontamination activities shall be performed with an attendant(buddy)to provide assistance to personnel that are performing decontamination activities. An attendant may not be required for Level D equipment removal and decontamination. Depending on specific site hazards, attendants may be required to wear a level of protection that is equal to the required level in the exclusion zone. 4.7.3 All persons and equipment entering the EZ shall be considered contaminated, and thus, shall be properly decontaminated prior to entering the SZ. No equipment, including personal protective equipment or contaminated clothing shall be taken or worn into the SZ. 4.7.4 Decontamination procedures may vary based on site conditions and nature of the contaminant. If chemicals or decontamination solutions are used, care should be taken to minimize reactions between the solutions and contaminated materials. In addition, personnel shall assess the potential exposures created by the decontamination chemical(s)or solutions. The safety data sheets shall be reviewed, implemented, and filed by personnel contacting the chemicals/solutions. 4.7.5 All contaminated personal protective equipment(PPE)and decontamination materials shall be stored and disposed of in accordance with site-specific requirements identified in the approved work plan. 4.7.6 For all Level A and B ensembles, adequate supplied air shall be available to allow the employee to safely complete all necessary decontamination steps. 4.7.7 Where decontamination procedures involving radioactive materials are required,the removable limits for both personnel and equipment will be specified by a Certified Health Physicist or Certified Industrial Hygienist in the project's approved Radiation Protection Plan or approved safety planning document. 4.7.8 Materials Needed to Decontaminate Personnel and/or Equipment • The equipment required to perform decontamination may vary based on site-specific conditions and nature of the contaminant(s).The following equipment is commonly used for decontamination purposes: o Soft-bristle scrub brushes or long-handled brushes to remove contaminants; o Hoses, buckets of water or garden sprayers for rinsing; o Large plastic/galvanized wash tubs or children's wading pools for washing and rinsing solutions; o Large plastic garbage cans or similar containers lined with plastic bags for the storage of contaminated clothing and equipment; o Metal or plastic cans or drums for the temporary storage of contaminated liquids; o Paper or cloth towels for drying protective clothing and equipment; and o Poly or plastic sheeting to lay down and form the base for the CRZ, as well as to contain contaminants and decontamination fluids. Hazardous Waste Operations(S3AM-117-PR1) Revision 3 July31,2019 PRINTED COPIES ARE UNCONTROLLED. CONTROLLED COPY IS AVAILABLE ON COMPANY INTRANET. 19 of 21