Radiation Exposure Limits
| Agency |
Standard |
Applies To |
| U.S. Environmental Protection Agency (EPA) |
15pCi/L |
Drinking Water - Alpha particles |
| EPA |
4mrem/year |
Drinking Water - Beta Particles & photon emitters |
| EPA |
80pCi/L |
Drinking Water – Cesium 134 |
| EPA |
200pCi/L |
Drinking Water – Cesium 137 |
| EPA |
0.1mSv |
Air |
| Food & Drug Administration (FDA) |
1,200Bq/kg for cesium |
Food |
| FDA |
33,000pCi/L for cesium |
Milk |
| FDA |
170Bq/kg for strontium |
Food |
| FDA |
4,400pCi/L for strontium |
Milk |
| Nuclear Regulatory Commission (NRC) |
50mSv |
Annual occupational exposure limits for radiation worker |
| NRC |
0.1rem (1mSv) |
Annual dose limit not to be exceeded for public |
| International Commission on Radiological Protection (ACRP) |
1mSv |
Recommended annual dose limit for general public |
| Occupational Health & Safety Administration (OSHA) |
50mSv for males>18yr; 5mSv for pregnant women |
Annual occupational exposure limits for workers |
| American Conference of Industrial Hygienists (ACGIH) |
20mSv |
Threshold Limit Value (TLV) for workers over 5 years |
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