| (a) Recordkeeping. The owner or operator of a unit
subject to §117.2110 of this title (relating to Emission Specifications
for Eight-Hour Attainment Demonstration) shall maintain written or
electronic records of the data specified in this subsection. Such
records must be kept for a period of at least five years and must
be made available upon request by authorized representatives of the
executive director, the United States Environmental Protection Agency,
or local air pollution control agencies having jurisdiction. The records
must include:
(1) for each unit using a continuous emission monitoring
system (CEMS) or predictive emission monitoring system (PEMS) in accordance
with §117.2135(b) of this title (relating to Monitoring, Notification,
and Testing Requirements) monitoring records of:
(A) hourly emissions for units complying with an emission
specification enforced on a block one-hour average; and
(B) daily emissions for units complying with an emission
specification enforced on a rolling 30-day average. Emissions must
be recorded in units of:
(i) pounds per million British thermal units (MMBtu)
heat input; and
(ii) pounds or tons per day;
(2) for each stationary internal combustion engine
subject to §117.2110 of this title, records of:
(A) emissions measurements required by §117.2130(b)(3)
of this title (relating to Operating Requirements); and
(B) catalytic converter, air-fuel ratio controller,
or other emissions-related control system maintenance, including the
date and nature of corrective actions taken;
(3) records of carbon monoxide (CO) measurements specified
in §117.2130(b)(3) of this title;
(4) records of the results of initial certification
testing, evaluations, calibrations, checks, adjustments, and maintenance
of CEMS, PEMS, or steam-to-fuel or water-to-fuel ratio monitoring
systems; and
(5) records of the results of performance testing,
including the testing conducted in accordance with §117.2135(d)
of this title.
(b) Records for exempt engines. The following records
must be maintained for at least five years and must be made available
upon request to representatives of the executive director, the United
States Environmental Protection Agency, or any local air pollution
control agency having jurisdiction.
(1) Written records of the number of hours of operation
for each day's operation must be maintained for each engine claimed
exempt under §117.2103(5), (8), (9), or (10) of this title (relating
to Exemptions) or §117.2130(b)(3) of this title.
(2) For each engine claimed exempt under §117.2103(5)
of this title, written records must be maintained of the purpose of
engine operation and, if operation was for an emergency situation,
identification of the type of emergency situation and the start and
end times and date(s) of the emergency situation.
(3) For each engine claimed exempt under §117.2103(10)
of this title, records must be maintained of manufacturer's specifications
or test data sufficient to demonstrate compliance with the emission
standard specified in §117.2103(10)(C) of this title.
(c) Records of operation for testing and maintenance.
The owner or operator of each stationary diesel or dual-fuel engine
shall maintain the following records for at least five years and make
them available upon request by authorized representatives of the executive
director, the United States Environmental Protection Agency, or local
air pollution control agencies having jurisdiction:
(1) date(s) of operation;
(2) start and end times of operation;
(3) identification of the engine; and
(4) total hours of operation for each month and for
the most recent 12 consecutive months.
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