National efforts: Source controls
u Mercury controls adopted slowly
– Medical waste incinerators: adopted 1997, effective
2002
– Municipal waste combustors: adopted 1995, effective
2000
– Power plants: decision by December 2000 on whether
to set emissions limits
u No apparent urgency for mercury
u Underlying source control/reduction voluntary
– States, cities, NGOs have best programs
u Water and non-point sources are also of concern