NSPS
Description
New Source Performance Standards
NSPE
Description
National Society for Professional Engineers
NRPA
Description
National Recreation & Park Association
NRC
Description
Nuclear Regulatory Commission (federal)
NPDES
Description
National Pollutant Discharge Elimination System
NLETS
Description
National Law Enforcement Telecommunications System
NLC
Description
National League of Cities
NIMTOO
Description
Not In My Term Of Office
NIMLO
Description
National Institute of Municipal Law Officers (now IMLA)
NIMBY
Description
Not In My Backyard