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DOE-EM-STD-5503-94
3.4.3. Personal Protective Equipment (PPE)
PPE is a common method used in hazard control. Therefore, an entire chapter has been devoted
to this topic. Please refer to Chapter 5 for further guidance on this subject.
3.5. HAZARD ASSESSMENT DOCUMENTATION FORMAT
The information obtained during the Hazard Assessment should be documented in a manner that
readily identifies: the hazards associated with the task, and the controls required to safely carry
out the task. Table 3-1 provides a sample format for documenting the findings of a hazard
assessment. In the sample, the job has been broken down into the various tasks (e.g., set up
equipment, install ladder in tank) required to complete the job. Each hazard associated with a
given task has been identified, and the required control measures are specified.
TABLE 3-1
Sample Hazard Assessment: Cleaning the Inside Surface of a Chemical/Radioactive
Contaminated Tank Top Manhole Entry
Step
Hazard
Controls
1. Select and train
Operator respiratory or heart problems; other
Examination by industrial physician for suitability to work.
operators.
physical limitation.
Train operators. Dry run. (Reference: National Institute for
Untrained operator; failure to perform task.
Occupational Safety and Health (NIOSH) Doc. #80-406)
2. Empty Tank
Gas or liquid in tank.
Approved written operating procedures.
Improper valve line-up.
Empty tank through existing piping.
3. Assess conditions:
Explosive gas.
Obtain work permit signed by safety and maintenance supervisors.
determine what is in the
tank, what process is
Improper oxygen level.
Test air by qualified person.
going on in the tank, and
what hazards these pose.
Chemical exposure.
Ventilate to 19.5% - 23.5% oxygen and less than 10% LEL of any
flammable gas. Steaming inside of tank, flushing and draining,
Gas, dust, vapor:
then ventilating, as previously described, may be required.
irritant
toxic
Provide appropriate respiratory equipment - SCBA or air line
Liquid:
respirator.
irritant
toxic
Provide protective clothing for head, eyes, body and feet.
corrosive
Solid:
Provide parachute harness and lifeline. (Reference: OSHA
irritant
standards 1910.106, 1926.100, 1926.21(b)(6); NIOSH Doc. #80-
corrosive
406)
Radiological exposure, ingestion, contact.
Tanks should be cleaned from outside if possible.
Provide PPE as stated in RADCON Manual.
NOTE: This column should contain specific
information about the material to be
encountered, i.e., chemical/radioactive material
ALARA
name, quantity, anticipated length of exposure,
etc.
3-6


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