Environmental Project No. 1567, 2014

Chlorofluorocarbons: CFC-11, CFC-12, CFC-113, HCFC-21, HCFC-31, HCFC-133a

Evaluation of health hazards and proposal of a health based quality criterion for air and groundwater


The Danish EPA has requested documentation for health-based quality criteria in air and groundwater for the following six chlorofluorocarbons: CFC-11, CFC-12, HCFC-21, HCFC-31, CFC-113 (1,1,2-trichloro-1,2,2-trifluoroethane) and HCFC-133a (1-chloro-2,2,2-trifluoroethane). A concern for toxic effects of these chlorofluorocarbons related to soil contamination at old industrial sites, as well as of a carcinogenic potential has been expressed and therefore this issue will be addressed in the documentation.

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