EFCTC: Safety Aspects of HCFC-22 ( Chlorodifluoromethane )

This substance is listed on the EU 2nd Priority List. 
The ECHA/JRC online tracking system provides detailed information about the substances on the EU priority lists. It tells how far in the assessment process a substance has progressed including an overview of the conclusions reached, statistics and testing requirements.

See also: http://www.oecd.org/topicdocumentlistbydate/0,3756,en_2649_37407_1_1_1_3_37407,00.html