Proposal for water quality standards for PFOA RIVM proposes water quality standards for perfluoro octanoic acid (PFOA). PFOA is a man-made chemical that is used to protect surfaces.
Without measures emissions of HFC greenhouse gases will increase rapidly Without global agreement on the use of HFCs, their contribution to the greenhouse effect may increase sharply to 10 percent of that of CO2 by 2050. The current contribution is less than 1 percent.