Section 851.21 - Hazard identification and assessment(a) Contractors must establish procedures to identify existing and potential workplace hazards and assess the risk of associated workers injury and illness. Procedures must include methods to:(1) Assess worker exposure to chemical, physical, biological, or safety workplace hazards through appropriate workplace monitoring;(2) Document assessment for chemical, physical, biological, and safety workplace hazards using recognized exposure assessment and testing methodologies and using of accredited and certified laboratories;(3) Record observations, testing and monitoring results;(4) Analyze designs of new facilities and modifications to existing facilities and equipment for potential workplace hazards;(5) Evaluate operations, procedures, and facilities to identify workplace hazards;(6) Perform routine job activity-level hazard analyses;(7) Review site safety and health experience information; and(8) Consider interaction between workplace hazards and other hazards such as radiological hazards.(b) Contractors must submit to the Head of DOE Field Element a list of closure facility hazards and the established controls within 90 days after identifying such hazards. The Head of DOE Field Element, with concurrence by the Cognizant Secretarial Officer, has 90 days to accept the closure facility hazard controls or direct additional actions to either:(1) Achieve technical compliance; or(2) Provide additional controls to protect the workers.(c) Contractors must perform the activities identified in paragraph (a) of this section, initially to obtain baseline information and as often thereafter as necessary to ensure compliance with the requirements in this Subpart.