Product Description
2017: the greenhouse effect and global warming take their toll as droughts floods and hurricanes wreak mass destruction in a world gone mad one family struggles to survive against all odds.. Studio: Platinum Disc Llc Release Date: 02/01/2005 Starring: Craig T Nelson Richard Farnsworth Run time: 193 minutes… More >>
Partially Halogenated Chlorofluorocarbons : Environmental Health Criteria Series No 126
Product Description
Evaluates the risks to human health and the environment posed by two partially halogenated chlorofluorocarbons: dichlorofluoromethane (HCFC 21) and chlorodifluoromethane (HCFC 22). These two methane derivatives were selected for evaluation because of their potential use as substitutes for those fully halogenated chlorofluorocarbons that are being phased out as a result of the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer. The evaluation is intend… More >>
» Read more: Partially Halogenated Chlorofluorocarbons : Environmental Health Criteria Series No 126


