economic impact analysis of the final stationary combustion turbines neshap report epa 452 r 03 014 august 2003 by rti international health social and economics research triangle park north carolina 27709 prepared for us environmental protection agency office air quality planning standards innovative strategies group c339 01 nc 27711 is a trade name institute this has been reviewed emission division united states approved publication mention names or commercial products not intended to constitute endorsement recommendation use copies are available through library services md 35 from national technical information 5285 port royal road springfield va 22161 iii table contents section page 1 introduction requirements an eia 2 scope purpose 3 organization turbine technologies costs