Inventory of Federal, Provincial and Territorial Environmental and Occupational Health Data
Sources and Surveillance Activities

Inventory of Data Sources

National Dose Registry (Health Canada)

Contacts
Willem Sont
Head, Analysis Unit, National Dose Registry
Occupational Radiation Hazards Division
Radiation Protection Bureau
Safe Environments Programme
Healthy Environments and Consumer Safety Branch
Health Canada
775 Brookfield Rd.
Ottawa, ON
K1A 1C1
Tel: (613) 954-6664
E-mail: willem_n_sont@hc-sc.gc.ca

Brian Davies
Head, Operations Unit, National Dose Registry
[Affiliation same as above]
Tel: (613) 954-6663
E-mail: brian_davies@hc-sc.gc.ca

Organization Maintaining the Database
Health Canada

Purpose of Database
Aids the management of risk of occupational radiation exposure by monitoring radiation doses received by employees who work with radioactive substances, are exposed to radioactivity, and are monitored in their workplace.

Content
Data on occupational radiation dosages, which are reported in milli-seiverts and in working-level months for workers occupationally exposed to radioactive substances.

Year Database Established
1987

Coverage Period
1951 to 2000

Data Updates
Daily

Data Providers
There are currently 11 dosimetry service providers contributing to the database, and they range from crown corporations and provincial government departments and agencies to private companies.

Data Availability
Access is restricted to database management staff, and designated employees of the Canadian Nuclear Safety Commission and provincial Departments of Health and/or Labour. Security protocols protect access.

Reports
An annual report, "Occupational Radiation Exposure in Canada", is published in both print and electronic formats for public distribution.