[Code of Federal Regulations]
[Title 40, Volume 6]
[Revised as of July 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR60.33b]
[Page 93-97]
TITLE 40--PROTECTION OF ENVIRONMENT
CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
PART 60_STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES--Table of
Contents
Subpart Cb_Emissions Guidelines and Compliance Times for Large Municipal
Waste Combustors That are Constructed on or Before September 20, 1994
Sec. 60.33b Emission guidelines for municipal waste combustor metals,
acid gases, organics, and nitrogen oxides.
(a) The emission limits for municipal waste combustor metals are
specified in paragraphs (a)(1) through (a)(3) of this section.
(1) For approval, a State plan shall include emission limits for
particulate
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matter and opacity at least as protective as the emission limits for
particulate matter and opacity specified in paragraphs (a)(1)(i) through
(a)(1)(iii) of this section.
(i) The emission limit for particulate matter contained in the gases
discharged to the atmosphere from a designated facility is 27 milligrams
per dry standard cubic meter, corrected to 7 percent oxygen.
(ii) [Reserved]
(iii) The emission limit for opacity exhibited by the gases
discharged to the atmosphere from a designated facility is 10 percent
(6-minute average).
(2) For approval, a State plan shall include emission limits for
cadmium and lead at least as protective as the emission limits for
cadmium and lead specified in paragraphs (a)(2)(i) through (a)(2)(iv) of
this section.
(i) The emission limit for cadmium contained in the gases discharged
to the atmosphere from a designated facility is 0.040 milligrams per dry
standard cubic meter, corrected to 7 percent oxygen.
(ii) [Reserved]
(iii) The emission limit for lead contained in the gases discharged
to the atmosphere from a designated facility is 0.49 milligrams per dry
standard cubic meter, corrected to 7 percent oxygen.
(iv) [Reserved]
(3) For approval, a State plan shall include emission limits for
mercury at least as protective as the emission limits specified in this
paragraph. The emission limit for mercury contained in the gases
discharged to the atmosphere from a designated facility is 0.080
milligrams per dry standard cubic meter or 15 percent of the potential
mercury emission concentration (85-percent reduction by weight),
corrected to 7 percent oxygen, whichever is less stringent.
(4) For approval, a State plan shall be submitted by August 25, 1998
and shall include an emission limit for lead at least as protective as
the emission limit for lead specified in this paragraph. The emission
limit for lead contained in the gases discharged to the atmosphere from
a designated facility is 0.44 milligrams per dry standard cubic meter,
corrected to 7 percent oxygen.
(b) The emission limits for municipal waste combustor acid gases,
expressed as sulfur dioxide and hydrogen chloride, are specified in
paragraphs (b)(1) and (b)(2) of this section.
(1) For approval, a State plan shall include emission limits for
sulfur dioxide at least as protective as the emission limits for sulfur
dioxide specified in paragraphs (b)(1)(i) and (b)(1)(ii) of this
section.
(i) The emission limit for sulfur dioxide contained in the gases
discharged to the atmosphere from a designated facility is 31 parts per
million by volume or 25 percent of the potential sulfur dioxide emission
concentration (75-percent reduction by weight or volume), corrected to 7
percent oxygen (dry basis), whichever is less stringent. Compliance with
this emission limit is based on a 24-hour daily geometric mean.
(ii) [Reserved]
(2) For approval, a State plan shall include emission limits for
hydrogen chloride at least as protective as the emission limits for
hydrogen chloride specified in paragraphs (b)(2)(i) and (b)(2)(ii) of
this section.
(i) The emission limit for hydrogen chloride contained in the gases
discharged to the atmosphere from a designated facility is 31 parts per
million by volume or 5 percent of the potential hydrogen chloride
emission concentration (95-percent reduction by weight or volume),
corrected to 7 percent oxygen (dry basis), whichever is less stringent.
(ii) [Reserved]
(3) For approval, a State plan shall be submitted by August 25, 1998
and shall include emission limits for sulfur dioxide and hydrogen
chloride at least as protective as the emission limits specified in
paragraphs (b)(3)(i) and (b)(3)(ii) of this section.
(i) The emission limit for sulfur dioxide contained in the gases
discharged to the atmosphere from a designated facility is 29 parts per
million by volume or 25 percent of the potential sulfur dioxide emission
concentration (75-percent reduction by weight or volume), corrected to 7
percent oxygen (dry basis), whichever is less stringent. Compliance with
this emission limit is
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based on a 24-hour daily geometric mean.
(ii) The emission limit for hydrogen chloride contained in the gases
discharged to the atmosphere from a designated facility is 29 parts per
million by volume or 5 percent of the potential hydrogen chloride
emission concentration (95-percent reduction by weight or volume),
corrected to 7 percent oxygen (dry basis), whichever is less stringent.
(c) The emission limits for municipal waste combustor organics,
expressed as total mass dioxins/furans, are specified in paragraphs
(c)(1) and (c)(2) of this section.
(1) For approval, a State plan shall include an emission limit for
dioxins/furans contained in the gases discharged to the atmosphere from
a designated facility at least as protective as the emission limit for
dioxins/furans specified in either paragraph (c)(1)(i) or (c)(1)(ii) of
this section, as applicable.
(i) The emission limit for designated facilities that employ an
electrostatic precipitator-based emission control system is 60 nanograms
per dry standard cubic meter (total mass), corrected to 7 percent
oxygen.
(ii) The emission limit for designated facilities that do not employ
an electrostatic precipitator-based emission control system is 30
nanograms per dry standard cubic meter (total mass), corrected to 7
percent oxygen.
(2) [Reserved]
(d) For approval, a State plan shall include emission limits for
nitrogen oxides at least as protective as the emission limits listed in
table 1 of this subpart for designated facilities. Table 1 provides
emission limits for the nitrogen oxides concentration level for each
type of designated facility.
Table 1--Nitrogen Oxides Guidelines for Designated Facilities
------------------------------------------------------------------------
Nitrogen
oxides
emission
Municipal waste combustor technology limit (parts
per million
by volume)
\a\
------------------------------------------------------------------------
Mass burn waterwall....................................... 205
Mass burn rotary waterwall................................ 250
Refuse-derived fuel combustor............................. 250
Fluidized bed combustor................................... 240
Mass burn refractory combustors........................... no limit
------------------------------------------------------------------------
\a\ Corrected to 7 percent oxygen, dry basis.
(1) A State plan may allow nitrogen oxides emissions averaging as
specified in paragraphs (d)(1)(i) through (d)(1)(v) of this section.
(i) The owner or operator of a municipal waste combustor plant may
elect to implement a nitrogen oxides emissions averaging plan for the
designated facilities that are located at that plant and that are
subject to subpart Cb, except as specified in paragraphs (d)(1)(i)(A)
and (d)(1)(i)(B) of this section.
(A) Municipal waste combustor units subject to subpart Ea or Eb
cannot be included in the emissions averaging plan.
(B) Mass burn refractory municipal waste combustor units and other
municipal waste combustor technologies not listed in paragraph
(d)(1)(iii) of this section may not be included in the emissions
averaging plan.
(ii) The designated facilities included in the nitrogen oxides
emissions averaging plan must be identified in the initial compliance
report specified in Sec. 60.59b(f) or in the annual report specified in
Sec. 60.59b(g), as applicable, prior to implementing the averaging
plan. The designated facilities being included in the averaging plan may
be redesignated each calendar year. Partial year redesignation is
allowable with State approval.
(iii) To implement the emissions averaging plan, the average daily
(24-hour) nitrogen oxides emission concentration level for gases
discharged from the designated facilities being included in the
emissions averaging plan must be no greater than the levels specified in
table 2 of this subpart. Table 2 provides emission limits for the
nitrogen oxides concentration level for each type of designated
facility.
Table 2--Nitrogen Oxides Limits For Existing Designated Facilities
Included in an Emissions Averaging Plan at a Municpial Waste Combustor
Planta
------------------------------------------------------------------------
Nitrogen
oxides
emission
Municipal waste combustor technology limit (parts
per million
by volume)b
------------------------------------------------------------------------
Mass burn waterwall....................................... 185
Mass burn rotary waterwall................................ 220
Refuse-derived fuel combustor............................. 230
[[Page 96]]
Fluidized bed combustor................................... 220
------------------------------------------------------------------------
a Mass burn refractory municipal waste combustors and other MWC
technologies not listed above may not be included in an emissions
averaging plan.
b Corrected to 7 percent oxygen, dry basis.
(iv) Under the emissions averaging plan, the average daily nitrogen
oxides emissions specified in paragraph (d)(1)(iii) of this section
shall be calculated using equation (1). Designated facilities that are
offline shall not be included in calculating the average daily nitrogen
oxides emission level.
[GRAPHIC] [TIFF OMITTED] TR19DE95.000
where:
NOX 24-hr=24-hr daily average nitrogen oxides emission
concentration level for the emissions averaging plan (parts per
million by volume corrected to 7 percent oxygen).
NOX i-hr=24-hr daily average nitrogen oxides emission
concentration level for designated facility i (parts per million by
volume, corrected to 7 percent oxygen), calculated according to the
procedures in Sec. 60.58b(h) of this subpart.
Si=maximum demonstrated municipal waste combustor unit load
for designated facility i (pounds per hour steam or feedwater flow
as determined in the most recent dioxin/furan performance test).
h=total number of designated facilities being included in the daily
emissions average.
(v) For any day in which any designated facility included in the
emissions averaging plan is offline, the owner or operator of the
municipal waste combustor plant must demonstrate compliance according to
either paragraph (d)(1)(v)(A) of this section or both paragraphs
(d)(1)(v)(B) and (d)(1)(v)(C) of this section.
(A) Compliance with the applicable limits specified in table 2 of
this subpart shall be demonstrated using the averaging procedure
specified in paragraph (d)(1)(iv) of this section for the designated
facilities that are online.
(B) For each of the designated facilities included in the emissions
averaging plan, the nitrogen oxides emissions on a daily average basis
shall be calculated and shall be equal to or less than the maximum daily
nitrogen oxides emission level achieved by that designated facility on
any of the days during which the emissions averaging plan was achieved
with all designated facilities online during the most recent calendar
quarter. The requirements of this paragraph do not apply during the
first quarter of operation under the emissions averaging plan.
(C) The average nitrogen oxides emissions (kilograms per day)
calculated according to paragraph (d)(1)(v)(C)(2) of this section shall
not exceed the average nitrogen oxides emissions (kilograms per day)
calculated according to paragraph (d)(1)(v)(C)(1) of this section.
(1) For all days during which the emissions averaging plan was
implemented and achieved and during which all designated facilities were
online, the average nitrogen oxides emissions shall be calculated. The
average nitrogen oxides emissions (kilograms per day) shall be
calculated on a calendar year basis according to paragraphs
(d)(1)(v)(C)(1)(i) through (d)(1)(v)(C)(1)(iii) of this section.
(i) For each designated facility included in the emissions averaging
plan, the daily amount of nitrogen oxides emitted (kilograms per day)
shall be calculated based on the hourly nitrogen oxides data required
under Sec. 60.38b(a) and specified under Sec. 60.58b(h)(5) of subpart
Eb of this part, the flue gas flow rate determined using table 19-1 of
EPA Reference Method 19 or a State-approved method, and the hourly
average steam or feedwater flow rate.
(ii) The daily total nitrogen oxides emissions shall be calculated
as the
[[Page 97]]
sum of the daily nitrogen oxides emissions from each designated facility
calculated under paragraph (d)(1)(v)(C)(1)(i) of this section.
(iii) The average nitrogen oxides emissions (kilograms per day) on a
calendar year basis shall be calculated as the sum of all daily total
nitrogen oxides emissions calculated under paragraph (d)(1)(v)(C)(1)(ii)
of this section divided by the number of calendar days for which a daily
total was calculated.
(2) For all days during which one or more of the designated
facilities under the emissions averaging plan was offline, the average
nitrogen oxides emissions shall be calculated. The average nitrogen
oxides emissions (kilograms per day) shall be calculated on a calendar
year basis according to paragraphs (d)(1)(v)(C)(2)(i) through
(d)(1)(v)(C)(2)(iii) of this section.
(i) For each designated facility included in the emissions averaging
plan, the daily amount of nitrogen oxides emitted (kilograms per day)
shall be calculated based on the hourly nitrogen oxides data required
under Sec. 60.38b(a) and specified under Sec. 60.58b(h)(5) of subpart
Eb of this part, the flue gas flow rate determined using table 19-1 of
EPA Reference Method 19 or a State-approved method, and the hourly
average steam or feedwater flow rate.
(ii) The daily total nitrogen oxides emissions shall be calculated
as the sum of the daily nitrogen oxides emissions from each designated
facility calculated under paragraph (d)(1)(v)(C)(2)(i) of this section.
(iii) The average nitrogen oxides emissions (kilograms per day) on a
calendar year basis shall be calculated as the sum of all daily total
nitrogen oxides emissions calculated under paragraph (d)(1)(v)(C)(2)(ii)
of this section divided by the number of calendar days for which a daily
total was calculated.
(2) A State plan may establish a program to allow owners or
operators of municipal waste combustor plants to engage in trading of
nitrogen oxides emission credits. A trading program must be approved by
the Administrator before implementation.
(3) For approval, a State plan shall be submitted by August 25, 1998
and shall include emission limits for nitrogen oxides from fluidized bed
combustors at least as protective as the emission limits listed in
paragraphs (d)(3)(i) and (d)(3)(ii) of this section.
(i) The emission limit for nitrogen oxides contained in the gases
discharged to the atmosphere from a designated facility that is a
fluidized bed combustor is 180 parts per million by volume, corrected to
7 percent oxygen.
(ii) If a State plan allows nitrogen oxides emissions averaging as
specified in paragraphs (d)(1)(i) through (d)(1)(v) of this section, the
emission limit for nitrogen oxides contained in the gases discharged to
the atmosphere from a designated facility that is a fluidized bed
combustor is 165 parts per million by volume, corrected to 7 percent
oxygen.
[60 FR 65415, Dec. 19, 1995, as amended at 62 FR 45119, 45125, Aug. 25,
1997]