Facility Posting and Labeling - doe-std-1136-20040063

DOE-STD-1136-2004

Guide of Good Practices for Occupational Radiological Protection in Uranium Facilities

for the activity. All RWPs should be reviewed and approved by the radiological control staff and

cognizant line management. The RCS provides detailed guidance for RWPs.

Radiological workers should read and understand the applicable RWP before entering the

affected area. Copies of the RWP should be located at the access point to the applicable area. Workers

should acknowledge by signature or through electronic means that they have read, understood, and will

comply with the RWP before they initially enter the area and after changes. Out-of-date RWPs should be

removed.

3.2.6.2 Facility Posting and Labeling

Radiological areas, controlled areas, and radioactive material areas shall be posted, unless the

conditions constituting the authorized exceptions specified in 10 CFR 835 exist (10 CFR 835.601-835.606).

DOE Guide G-441.1-10, Posting and Labeling for Radiological Control Guide (DOE 1999j) and the RCS

provide appropriate guidance. The technical criteria for defining the required areas should be established,

documented, and consistently applied. The radiological control staff should establish and document the

conditions that require areas to be barricaded and marked to prevent personnel from inadvertently entering

them and to be physically locked to preclude unauthorized personnel from entering them.

Entrance to areas where radioactive materials are used or stored should be restricted, based upon

established criteria.

The radiological control staff should post current surveys at the access control point for use in

pre-job planning. Additional precautions, such as protective clothing, dosimetry, and respiratory

protection requirements should also be posted.

3.2.6.3 Unposted Areas

Certain areas of facilities that handle radioactive materials should be maintained free of

detectable radioactive contamination. These areas should also be maintained at ambient radiation levels

equivalent to the environmental background of the facility. Parts of the facility that should meet these

requirements include lunchrooms, offices, restrooms, janitor rooms, corridors outside operational areas,

foyers, and outside areas surrounding the facility, including building roofs.

To determine that these areas meet the requirements of non-radioactive cleanliness, they should

be surveyed with count-rate instruments sensitive to the radioactive isotopes of interest. These clean areas

should be maintained below the detection levels cited in 10 CFR 835.

3.2.6.4 Visits by Regulatory Personnel

Periodically, personnel from DOE and other Federal and state agencies visit radiological facilities

for audit purposes or to discuss regulatory changes. In most cases, they will look at records of the

radiation protection program and, in some cases, will also enter posted areas of the facility. These

regulatory personnel should have ready access to the facility; provided that applicable training, dos imetry,

and other requirements are met. They should have complete access to facility personnel knowledgeable in

the subjects they wish to discuss. New commitments requested should be referred to the appropriate

facility and DOE management.

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