The Effect of Input Assumptions on the Results of IPM® Modeling Runs Used to Predict Future Pollutant Emissions

Comparison of CAIR and CAIR+ Proposal using the Integrated Planning Model (IPM®)

NEEDS Tool 

EPA NEEDS Comment Entry Tool (ZIP format)- July 2007

      EPA NEEDS Database Without Comment Software (ZIP format)- July 2007


                     Guide to NEEDS Database (pdficon_small)- July 2007