76 FR 30010
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 Montana's regulatory program under SMCRA regarding bond release responsibility periods for water management facilities and other support facilities.
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)
SIP Approval: Minnesota (PM emissions).