Note: EPA no longer updates this information, but it may be useful as a reference or resource.
Please see www.epa.gov/nsr for the latest information on EPA's New Source Review program.
July 24, 1987 Calculating Amortized
Capital Costs 8.19
Unless a source can offer compelling data
to the contrary, the useful life of a
control option should be selected from
one of the following: (a) for process-
related controls, use either the
NSPS/NESHAP BID, or the IRS Class Life
Asset Deterioration Range System
guideline with a mid-point estimate (if
no NSPS/NESHAP applies), and (b) for add-
on controls, use the EAB "Control Cost
Manual." The appropriate annual interest
rate is also discussed.
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