76 FR 20237
SIP Approval: District of Columbia (1997 eight-hour ozone and 1997/2006 fine particulate matter (PM) NAAQS).
SIP Approval: District of Columbia (1997 eight-hour ozone and 1997/2006 fine particulate matter (PM) NAAQS).
OSM approved an amendment to Montana's regulatory program under SMCRA regarding bond release responsibility periods for water management facilities and other support facilities.
OSM approved an amendment to Alabama's regulatory program under SMCRA regarding license fees, annual license updates, and blaster certification fees.
SIP Approval: Mississippi (incorporation of nitrogen oxide (NOx) as a precursor to ozone).
SIP Approval: Massachusetts (delegation of authority for PSD program)
SIP Approval: Minnesota (sulfur dioxide (SO2) emissions).
SIP Approval: Indiana (updates to definitions)