the impacts of pollutants transported from the
upwind State.’’.
(b) REQUIREMENTS FOR MODERATE OZONE NON-
ATTAINMENT AREAS.—Paragraph (4) of section 182(b) of
the Clean Air Act is amended by adding the following at
the end thereof:
‘‘(C) For each moderate area which the Admin-
istrator determines to cause or significantly con-
tribute to a violation of the national ambient air
quality standards for ozone in a downwind area (as
identified by the Administrator under section
126(d)), the State shall submit, within 1 year after
such determination, a revision to the applicable im-
plementation plan that includes all provisions nec-
essary to provide for an enhanced vehicle inspection
and maintenance program as described in paragraph
(3) of subsection (c) of this section and the regula-
tions of the Administrator adopted pursuant to such
paragraph (3).’’.
SEC. 4. MAINTENANCE PLANS.
(a) REQUIREMENTS FOR MAINTENANCE PLANS.—(1)
Subsection (a) of section 175A of the Clean Air Act is
amended by adding the following at the end thereof: ‘‘Such
plan shall also be amended within 1 year after the later
of—
‘‘(1) the date of enactment of the Transported
Air Pollution Mitigation Act of 2001, or
‘‘(2) the date on which the request under sec-
tion 107(d) is submitted
to include measures to provide for an enhanced vehicle in-
spection and maintenance program as described in para-
graph (3) and (4) of section 182(c) and the regulations
of the Administrator adopted pursuant to such paragraphs
if the State determines that the area requesting redesigna-
tion is causing or significantly contributing to a violation
of the national ambient air quality standards for ozone
in a downwind area (as identified by the State under sec-
tion 110(a)(4)) or if the Administrator determines that
the area requesting redesignation is causing or signifi-
cantly contributing to a violation of the national ambient
air quality standards for ozone in a downwind State (as
identified by the Administrator under section 126(d)).’’.
(b) TRANSPORT MITIGATION.—Section 175A of the
Clean Air Act is amended by adding the following at the
end thereof:
‘‘(e) TRANSPORT MITIGATION.—Each plan adopted
under this section shall be amended within 1 year after
the enactment of this subsection to require that any
upwind area (as identified by the State under section
110(a)(4)) and any upwind State (as identified by the Ad-
ministrator under section 126(d)) that is designated as an
attainment area that causes or significantly contributes to
a violation of the national ambient air quality standard
for ozone in any downwind area (as identified under sec-
tion 110(a)(4) or section 126(d)) shall be required by the
applicable implementation plans under section 110 and
this part to implement all measures with respect to the
air pollutant concerned which were contained in the State
implementation plan for such upwind area before its re-
designation as an attainment area. Such measures shall
include all existing control measures, as well as any con-
trol measures not yet implemented that are necessary to
fully mitigate the transport of ozone and its precursors
to such downwind areas. There shall be no relaxation or
rescission of any control measure or rule in the upwind
area or unwind State as long as sources in such upwind
area or State cause or contribute to a violation of the na-
tional ambient air quality standard for ozone in any such
downwind area.’’.
Æ