NRC TLD (thermoluminescent dosimeter) Direct Radiation Monitoring Network: Progress report, January--March 1989

Technical Report · Thu Jun 01 04:00:00 EDT 1989

OSTI ID:6033450

Struckmeyer, R; McNamara, N

The US Nuclear Regulatory Commission (NRC) Direct Radiation Monitoring Network is operated by the NRC in cooperation with participating states to provide continuous measurement of the ambient radiation levels around licensed NRC facilities, primarily power reactors. Ambient radiation levels result from naturally occurring radionuclides present in the soil, cosmic radiation constantly bombarding the earth from outer space, and the contribution, if any, from the monitored facilities and other man-made sources. The Network is intended to measure radiation levels during routine facility operations and to establish background radiation levels used to assess the radiological impact of an unusual condition, such as an accident. This report presents the radiation levels measured around all facilities in the Network for the first quarter of 1989. A complete listing of the site facilities monitored is included. In some instances, two power reactor facilities are monitored by the same set of dosimeters. All radiation measurements are made using small, passive detectors called thermoluminescent dosimeters (TLDs), which provide a quantitative measurement of the radiation levels in the area in which they are placed. Each site is monitored by arranging approximately 40 to 50 TLD stations in two concentric rings extending to about five miles from the facility. All TLD stations are outside the site boundary of the facility.

• Research Organization: Nuclear Regulatory Commission, King of Prussia, PA (USA). Region I
• OSTI ID: 6033450
• Report Number(s): NUREG-0837-Vol.9-No.1; ON: TI89014155
• Country of Publication: United States
• Language: English

Related Subjects

510300* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
BACKGROUND RADIATION
COMPILED DATA
COMPLIANCE
DATA
DOCUMENT TYPES
INFORMATION
MONITORING
NATIONAL ORGANIZATIONS
NUMERICAL DATA
PROGRESS REPORT
RADIATION MONITORING
RADIATION PROTECTION
RADIATIONS
REGULATIONS
STANDARDS
US NRC
US ORGANIZATIONS