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 13, 1978 Impact of Secondary
Emissions in New Source Reviews 24.5
THE TEXT YOU ARE VIEWING IS A COMPUTER-GENERATED OR RETYPED VERSION OF A
PAPER PHOTOCOPY OF THE ORIGINAL. ALTHOUGH CONSIDERABLE EFFORT HAS BEEN
EXPENDED TO QUALITY ASSURE THE CONVERSION, IT MAY CONTAIN TYPOGRAPHICAL
ERRORS. TO OBTAIN A LEGAL COPY OF THE ORIGINAL DOCUMENT, AS IT
CURRENTLY EXISTS, THE READER SHOULD CONTACT THE OFFICE THAT ORIGINATED
THE CORRESPONDENCE OR PROVIDED THE RESPONSE.
24.5
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
WASHINGTON, D.C. 20460
JUN 13, 1978
OFFICE OF
AIR AND WASTE MANAGEMENT
SUBJECT: Impact of Secondary Emissions in New Source Reviews
FROM: David G. Hawkins, Assistant Administrator
for Air and Waste Management
TO: Regional Administrator
Regions I-X
As you may know, EPA's emission offset interpretative ruling published
on December 21, 1976, requires that offsets be obtained for certain
secondary emissions resulting from the construction of a new source (e.g.,
ship or train emissions), if the secondary emissions are specific and can be
accurately quantified. Consideration of the indirect impacts of motor
vehicle and aircraft traffic is not required, since EPA's authority to
perform or require indirect source review relating to mobile sources
regulated under Title II of the Act has been restricted by statute. I would
like you to call this provision to the attention of your States and urge
them to make every attempt to quantify secondary emissions in their new
source reviews. I should also mention that the upcoming PSD regulations
will also require that the impact of secondary emissions be analyzed as part
of the PSD review process.
cc: Air and Hazardous Materials Division Director, Regions I-X
Enforcement Division Directors, Regions I-X
Ed Reich
Dick Rhoads
Larry Novey
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