Personnel Monitoring - STD-1128-98master0334

DOE-STD-1128-98

Guide of Good Practices for Occupational Radiological Protection in Plutonium Facilities

A plutonium facility should be provided with a system that is capable of supplying breathing

air to a number of workstations in each occupied area where the following conditions exist:

-- Gaseous or airborne radioactive material may cause occupational exposure limits of 10

CFR 835 to be exceeded;

-- potentially dispersible plutonium compounds exceeding 100 mg are handled outside of

containment devices; or

-- personnel may be required to enter cells or other areas that contain large amounts of loose

radioactive material for repair, maintenance, decontamination, or operation.

Breathing-air systems may be portable or semiportable bottled systems or installed

compressor systems. The facility design requirements should be determined by the system

selected.

Breathing-air supply systems should meet the requirements of ANSI Z88.2-1980, Practices

for Respiratory Protection (ANSI, 1980b) and 29 CFR 1910 (most recent revision) (DOL,

1993). Air-line connections for the breathing air must be unique to preclude connecting

other gas supplies to the breathing-air lines. Additional criteria for design of breathing-air

systems found in the references mentioned above should be considered.

C.6.3 Personnel Monitoring

The facility design should provide for location of personnel monitoring devices in the

vicinity of the workplace. To minimize the potential spread of radioactive contamination,

personnel survey instruments should be available at suitable locations within the process

area, such as for personnel exiting from glove boxes, at bag-out stations, and at exits from

compartmentalized facilities. Survey instruments or monitoring instruments should be

available at contamination-control change rooms and at exits from controlled areas.

C.6.4 Criticality Safety

See Section 7.0 for detailed guidance on criticality safety in a plutonium facility including

criticality alarms and nuclear accident dosimeters.

C.6.5 Other Systems

Many systems employed within a plutonium facility are not directly related to personnel

safety and radiation protection. However, because of the special impact that these systems

may have on a plutonium facility, individuals responsible for personnel protection should be

aware of them. Some examples are as follows:

-- Process instrumentation and control indicators to monitor and maintain control over the

process and to detect and indicate abnormal and accident conditions;

-- surveillance systems to ensure the integrity of all process piping, tanks, and other

containment equipment, including those used for liquid effluent; and

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