economic impact analysis of final iron and steel foundries neshap report epa 452 r 03 012 august 2003 by rti international health social economics research triangle park north carolina 27711 prepared for us environmental protection agency office air quality planning standards innovative strategies group c339 01 nc is a trade name institute this has been reviewed the 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 contents section page 1 introduction requirements an eia 2 overview coke foundry industries 3 summary results 4 organization