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.
June 4, 1990 Definition of Postapproval
Monitoring 3.37
The term "postapproval monitoring" is used to
identify the time when ambient ozone monitoring is
to be undertaken when the normal PSD requirement
for preconstruction ozone monitoring is waived.
The postapproval period may begin anytime after
the source receives its PSD permit, but should not
begin later than 2 years later after the start-up
of the new source or modification.
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