Md. Code Regs. 26.11.08.10 - NO[x] Requirements for Large Municipal Waste Combustors
A. The owner and
operator of a Large MWC shall minimize NOx emissions by
operating and optimizing the use of all installed pollution control technology
and combustion controls consistent with the technological limitations,
manufacturers' specifications, good engineering and maintenance practices, and
good air pollution control practices for minimizing emissions (as defined in
40 CFR §
60.11(d)) for such equipment
and the unit at all times the unit is in operation, including periods of
startup, shutdown, and warm-up.
B.
As of May 1, 2019, the owner or operator of a Large MWC shall meet the
following applicable NOx emission rates, except for
periods of startup, shutdown, and warm-up:
Affected Sources |
NOx 24-hour block average emission rate |
Montgomery County Resource Recovery Facility |
140 ppmv |
Wheelabrator Baltimore Inc. |
150 ppmv |
C.
As of May 1, 2020, the owner or operator of a Large MWC shall meet the
requirements of §B of this regulation and the following applicable
NOx emission rates, except for periods of startup,
shutdown, and warm-up:
Affected Sources |
NOx 30-day rolling average emission rate |
Montgomery County Resource Recovery Facility |
105 ppmv |
Wheelabrator Baltimore Inc. |
145 ppmv |
D.
Startup, Shutdown, and Warm-Up NOx Emission Limitations.
(1) As of May 1, 2019, a facility-wide
NOx emission limit of 202 Ibs/hr timed average mass
loading over a 24-hour period shall apply during periods of startup and
shutdown for the Montgomery County Resource Recovery Facility.
(2) As of May 1, 2019, a facility-wide
NOx emission limit of 252 Ibs/hr timed average mass
loading over a 24-hour period shall apply during periods of startup and
shutdown for Wheelabrator Baltimore Inc.
(3) As of May 1, 2019, on days when the unit
is in startup, the NOx 24-hour block average emission
rate under §B of this regulation will apply for the 24-hour period after
startup is completed.
(4) As of May
1, 2019, on days when the unit is in shutdown, the NOx
24-hour block average emission rate under §B of this regulation will apply for
the 24-hour period prior to the commencement of shutdown.
(5) As of January 1, 2020, a facility-wide
NOx emission limit of 202 lbs/hr timed average mass
loading over the warm-up period shall apply for the Montgomery County Resource
Recovery Facility.
(6) As of
January 1, 2020, a unit-specific NOx emission limit of
84 lbs/hr timed average mass loading over the warm-up period shall apply for
Wheelabrator Baltimore Inc.
E. Additional NOx
Emission Control Requirements.
(1) Not later
than January 1, 2020, the owner or operator of Wheelabrator Baltimore Inc.
shall submit a feasibility analysis for additional control of
NOx emissions from the Wheelabrator Baltimore Inc.
facility to the Department. This analysis shall be prepared by an independent
third party and include the following:
(a) A
written narrative and schematics detailing existing facility operations, boiler
design, NOx control technologies, and relevant emission
performance;
(b) A written
narrative and schematics detailing various state-of-the-art
NOx control technologies for achieving additional
NOx emission reductions from existing MWCs, including
technologies capable of achieving NOx emission levels
comparable to those for a new source in consideration of the overall facility
design at Wheelabrator Baltimore Inc.;
(c) An analysis of whether each
state-of-the-art control technology identified under §E(1)(b) of this
regulation could technically be implemented at the Wheelabrator Baltimore Inc.
facility;
(d) Capital and operating
costs, NOx emission benefits, and air quality impacts
resulting from installation of each state-of-the-art control technology as
identified under §E(1)(b) of this regulation; and
(e) An estimated timeline for installation of
each state-of-the-art control technology as identified under §E(1)(b) of this
regulation which shall include design time, construction, operational testing,
and start up.
(2) Upon
written request, Wheelabrator Baltimore Inc. shall submit any other information
that the Department determines is necessary to evaluate the feasibility
analysis.
(3) Not later than
January 1, 2020, based upon the results of the feasibility analysis as required
under §E(1) of this regulation, the owner or operator of Wheelabrator Baltimore
Inc. shall propose and submit a NOx 24-hour block
average emission rate, NOx 30-day rolling average
emission rate, and NOx mass loading emission limitation
for periods of startup, shutdown, malfunction, and warm-up.
F. The owner or operator of a
Large MWC shall continuously monitor NOx emissions with
a continuous emission monitoring system in accordance with COMAR 26.11.01.11.
G. Not later than 45 days after
the effective date of this regulation, the owner or operator of a Large MWC
shall submit a plan to the Department and EPA for approval that demonstrates
how the Large MWC will operate installed pollution control technology and
combustion controls to meet the requirements of §A of this regulation. The plan
shall summarize the data that will be collected to demonstrate compliance with
§A of this regulation. The plan shall cover all modes of operation, including
but not limited to normal operations, startup, shutdown, and warm-up.
H. Beginning July 1, 2019, the owner or
operator of a Large MWC shall submit a quarterly report to the Department
containing:
(1) Data, information, and
calculations which demonstrate compliance with the NOx
24-hour block average emission rate as required in §B of this
regulation;
(2) Data, information,
and calculations, including NOx continuous emission
monitoring data and stack flow data, which demonstrate compliance with the
startup, shutdown, and warm-up mass NOx emission limits
as required in §D of this regulation;
(3) Flagging of periods of startup, shutdown,
and warm-up and exceedances of emission rates;
(4) NOx continuous
emission monitoring data and total urea flow rate to the boiler averaged over a
1-hour period, in a Microsoft Excel format; and
(5) Documented actions taken during periods
of startup, shutdown, and warm-up in signed, contemporaneous operating
logs.
I. Beginning July
1, 2020, the quarterly report to be submitted pursuant to §H of this regulation
shall also include data, information, and calculations which demonstrate
compliance with the NOx 30-day rolling average emission
rate as required in §C of this regulation.
J. No less than 2 weeks advance notice and
the opportunity to observe activities shall be provided to the Department prior
to any optimization procedure, including installation or operation of
NOx emission control technology, for the express purpose
of complying with the requirements of §E(l) of this regulation.
K. Compliance with the
NOx emission standards in §§B, C, and D of this
regulation shall be demonstrated with a continuous emission monitoring
system.
L. Compliance with the
NOx Mass Loading Emission Limitation for the Montgomery
County Resource Recovery Facility.
(1)
Compliance with the NOx mass loading emission limitation
for periods of startup and shutdown in §D(1) of this regulation shall be
demonstrated by calculating the 24-hour average of all hourly average
NOx emission concentrations from continuous emission
monitoring systems.
(2) The
calculations in §L(1) of this regulation shall utilize stack flow rates derived
from flow monitors, for all the hours during the 3-hour startup or shutdown
period and the remaining 21 hours of the 24-hour period.
(3) Compliance with the
NOx mass loading emission limitations for warm-up
periods in §D(5) of this regulation shall be demonstrated by calculating the
average of all hourly average NOx mission concentrations
during the warm-up period from continuous emission monitoring systems.
(4) The calculations in §L(3) of
this regulation shall utilize stack flow rates derived from flow monitors, for
all the hours during the warm-up period.
M. Compliance with the
NOx Mass Loading Emission Limitation for the
Wheelabrator Baltimore Inc.
(1) Compliance
with the NOx mass loading emission limitation for
periods of startup and shutdown in §D(2) of this regulation shall be
demonstrated by calculating the 24-hour average of all hourly average
NOx emission concentrations from continuous emission
monitoring systems.
(2) The
calculations in §M(1) of this regulation shall utilize the applicable
Prevention of Significant Deterioration calculation methodology, for all the
hours during the 3-hour startup or shutdown period and the remaining 21 hours
of the 24-hour period.
(3)
Compliance with the NOx mass loading emission
limitations for warm-up periods in §D(6) of this regulation shall be
demonstrated by calculating the average of all hourly average
NOx emission concentrations during the warm-up period
from continuous emission monitoring systems.
(4) The calculations in §M(3) of this
regulation shall utilize the applicable Prevention of Significant Deterioration
calculation methodology, for all the hours during the warm-up period.
Notes
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