Residual Risk Assessment for the Industrial Process Cooling Towers Source Category

The purpose of this memorandum is to describe the methodology and results of the residual risk assessment performed for the Industrial Process Cooling Towers (IPCT) source category. The results of this analysis will assist EPA in determining whether a residual risk rule for this source category is appropriate. 

• Residual Risk Assessment for the Industrial Process Cooling Towers Source Category (pdf) (475.18 KB, August 18, 2005)
• Residual Risk Assessment for the Industrial Process Cooling Towers Source Category: Appendix (pdf) (120.39 KB, August 18, 2005)