What is an acceptable risk of cancer due to occupational exposure to a carcinogen

Details

• Personal Author:
  Dankovic, David A. ; Whittaker C
• Description:
  It is widely accepted that there is no completely "safe" dose of a genotoxic carcinogen, and that there is some excess risk of developing cancer from any non-zero exposure. The excess risk from low exposures may be vanishingly small, but it is generally presumed to be greater than zero. Since it is not feasible to totally eliminate all exposures to suspect carcinogens in the workplace, some target or acceptable risk level is needed for purposes of establishing occupational exposure limits for carcinogens. Target risk levels for carcinogen exposures in the general population are usually set quite low, in the range of 1 in 10,000 to 1 in 1,000,000 lifetime excess risk. In the occupational setting, the 1980 U.S. Supreme Court "benzene" decision implied that a 1 in 1000 lifetime excess risk is a significant risk, while a 1 in 1 billion risk is not. The Court noted that it is the responsibility of the relevant government agency to determine what it considers to be a "significant" risk. A review of international policies for developing occupational exposure limits for carcinogens reveals a range of acceptable lifetime excess risks of up to 4 in 1000 (Netherlands) to 1 in 100,000 (Sweden). By comparison, the lifetime fatality rates in occupations generally thought of as low risk, such as the wholesale and retail trade sector and the services sector, has been reported to be in the range of 1-2 per 1000 workers. Taken together, these data suggest that lifetime excess cancer risks in the range of 1 in 100,000 to perhaps 1 in 1000 may be acceptable in the occupational setting. [Description provided by NIOSH]
• Subjects:
  Carcinogens Decision Making Environmental Monitoring Longevity Neoplasms Occupational Exposure Occupational Health Risk Assessment Risk Factors Safety Toxicology

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• Keywords:
  Cancer Decision-making Employee-exposure Exposure-assessment Exposure-levels Exposure-limits Genotoxicity Lifespan Occupational-exposure Risk-analysis Risk-factors

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• ISSN:
  1096-6080
• Document Type:
  Text
• Genre:
  Abstract or Summary
• Place as Subject:
  California ; Ohio ; OSHA Region 5 ; OSHA Region 9
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Division:
  EID - Education and Information Division
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Volume:
  144
• Issue:
  1
• NIOSHTIC Number:
  nn:20045880
• Citation:
  Toxicologist 2015 Mar; 144(1):408
• Federal Fiscal Year:
  2015
• Peer Reviewed:
  False
• Source Full Name:
  The Toxicologist. Society of Toxicology 54th Annual Meeting and ToxExpo, March 22-26, 2015, San Diego, California
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:4312dd6cefe7d38e39f69c0503e6b9e7a235aaefd8c45f788e94403d5d6f425c1dfaeca1288daff976ea562e240c209af581b8dcf3ccc8fdaba28b2143c3d8f6
• Download URL:
  https://stacks.cdc.gov/view/cdc/201129/cdc_201129_DS1.pdf
• File Type:
  [PDF - 210.16 KB ]