Or. Admin. R. 340-226-0120 - Operating and Maintenance Requirements
(1) Operational, Maintenance and Work
Practice Requirements:
(a) Where DEQ has
determined that specific operational, maintenance, or work practice
requirements are appropriate to ensure that the owner or operator of a source
is operating and maintaining air pollution control devices and emission
reduction processes at the highest reasonable efficiency and effectiveness to
minimize emissions, DEQ will establish such requirements by permit condition or
notice of construction approval;
(b) Operational, maintenance, and work
practice requirements include:
(A) Flow
rates, temperatures, pressure drop, ammonia slip, and other physical or
chemical parameters related to the operation of air pollution control devices
and emission reduction processes;
(B) Monitoring, record-keeping, testing, and
sampling requirements and schedules;
(C) Maintenance requirements and schedules;
and
(D) Requirements that
components of air pollution control devices be functioning properly.
(2) Emission Action
Levels:
(a) Where DEQ has determined that
specific operational, maintenance, or work practice requirements considered or
required under section (1) are insufficient to ensure that the owner or
operator is operating and maintaining air pollution control devices and
emission reduction processes at the highest reasonable efficiency and
effectiveness, DEQ may establish, by permit or Notice of Construction approval,
specific emission action levels in addition to applicable emission standards.
An emission action level will be established that ensures an air pollution
control device or emission reduction process is operated at the highest
reasonable efficiency and effectiveness to minimize emissions;
(b) If emissions from a source equal or
exceed the applicable emission action level, the owner or operator of the
source must:
(A) Take corrective action as
expeditiously as practical to reduce emissions to below the emission action
level;
(B) Maintain records at the
plant site for two years which document the exceedance, the cause of the
exceedance, and the corrective action taken;
(C) Make such records available for
inspection by DEQ during normal business hours; and
(D) Submit such records to DEQ upon request.
(c) DEQ will revise an
emission action level if it finds that such level does not reflect the highest
reasonable efficiency and effectiveness of air pollution control devices and
emission reduction processes;
(d)
An exceedance of an emission action level that is more stringent than an
applicable emission standard is not a violation of such emission standard.
(3) In determining the
highest reasonable efficiency and effectiveness for purposes of this rule, DEQ
considers operational variability and the capability of air pollution control
devices and emission reduction processes. If the performance of air pollution
control devices and emission reduction processes during startup or shutdown
differs from the performance under normal operating conditions, DEQ determines
the highest reasonable efficiency and effectiveness separately for these
operating modes.
Notes
Stat. Auth.: ORS 468.020, 468A.025, 468A.040 & 468A.055
Stats. Implemented: ORS 468A.025, 468A.040 & 468A.055
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