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hazards to workers. A thorough hazard characterization provides the primary basis for the
hazard/risk assessment and typically includes a facility walk down, visual inspections, air
monitoring and sampling, and a review of facility records. Activity hazards analysis and
radiation hazards surveys are important inputs to this process and form a basis for
preparing a HASP.
Activity Hazard Analysis. DOE 440.1A requires an analysis of design activities for new
facilities or modifications to existing ones, operations and procedures, equipment, product and
services. Impacts from exposure to chemical, physical, biological, or ergonomic hazards must be
accomplished through the hazards analysis and exposure monitoring activities. The hazards
analysis techniques used to accomplish these objectives shares some overlap with facility-level
hazards analysis. For example, as discussed in DOE G 440.1-1, Worker Protection Management
for DOE Federal and Contractor Employees Guide for Use with DOE Order 440.1, hazard
analysis methodologies that may be employed to evaluate worker hazards could include
preliminary hazards analysis, process hazard analysis, or a simple safety review. These methods
are similar to what may be used in accomplishing facility-level hazards analysis and therefore
may be coordinated to accomplish facility safety objectives, as well as ensure an adequate worker
safety evaluation.
A key element of DOE 440.1A that is specifically relevant to individual job tasks is the
performance of an activity hazards analysis. One type of Activity hazards analysis (AHA) is the
JHA. A JHA involves a breakdown of work tasks and assessment of the hazards associated with
each step of a work task. AHAs should be conducted during the planning stage for new
operations and procedures, as well as prior to implementation of changes to existing operations
and procedures. Information and insights gained from facility-level hazard analysis should
be used as a primary input to AHAs. Examples include type, location and quantities of
hazardous or radioactive materials, important assumptions and information regarding facility
systems and processes, and facility controls that may need to be protected during performance of
maintenance or other work activities.
Radiation Hazards Survey. 10 CFR 835 requires sampling and monitoring of individuals and
work areas in order to identify radiological hazards and potential sources of worker exposures.
These activities are conducted routinely, as well as prior to authorization of work in a given area
that has radioactive materials or contamination. This information is also key input to hazards
analyses, since it provides important information regarding radiological hazards and helps
determine when radiation control measures will need to be factored into planning of job

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