Regulatory Websites:
Nuclear Regulatory Commission Homepage
NRC Regulations: 10 CFR
NRC Radiation Safety Regulations
NRC 10 CFR 20
10 CFR 20 App B
ALI/DAC/Effluent Release tables
10 CFR 30.71 Schedule B: Exempt Quantities
NRC Electronic Reading Room
General NRC Information
-- Fact Sheets, Guidance Documents, Tutorials, etc
NRC Toolkits
(SSDR, Manufacture and Distribution Licenses, General Licenses, etc.)
State Radiation Safety Programs
Conference of Radiation Control Program Directors
CRCPD: Suggested State Regulations (vol 8)
State Radiation Control Programs
California Radiological Health Branch Homepage
CA Title 17, Division 1, Chapter 5, Subchapter 4: Radiation
EPA Radiation Protection Homepage
Radionuclide Fact Sheets
Mixed Waste Program
49 CFR DOT Regulations
DOT Hazmat Safety Site
Rules & Regulations
Supplemental Information Relative to US Variations
FDA CDRH 21 CFR PART 1040: Light Emitting Products (eg. laser & UV)
Technical Websites:
Radiochemistry Society - Knowledge Portal
(Thanks Philip)
Radiochemistry Periodic Table of Elements
Table of Fundamental Physical Constants
(PDF file)
NIST gamma and X-ray attenuation tables
NIST photon cross-section database
National Nuclear Data Center
IEM Toolbox
collection of useful tables and references
Chart of the Nuclides:
Korea Atomic Energy Research Institute
List of Elements
Search for gamma rays
Search the Table for a Specific Nuclide
JavaScript required
Japan Atomic Energy Research Institute
Search the Table for a Specific Nuclide
JavaScript required
Lund/LBNL Nuclear Data Search (Lund site)
Lund/LBNL Nuclear Data Search (LBNL site)
Health Physics:
Dosimetry (General):
RADAR Radiation Dose Assessment Resource
Airborne Radioactivity Monitoring Users' Group
Internal Dosimetry:
NUREG/CR-4884 Interpretation of Bioassay
Bayesian Statistics for Bioassay, Radiochemistry, and Internal Dosimetry
Bioassay and Internal Dosimetry Users Group (BIDUG)
Hanford Lab Internal Dosimetry Project Manual
Hanford Lab Internal Dosimetry Technical Basis Document
External Dosimetry:
Hanford Lab External Dosimetry Technical Basis Document
Instrumentation:
Health Physics Instrumentation Committee (DOE)