Code of Maine Rules › 06 - DEPARTMENT OF ENVIRONMENTAL PROTECTION › 096 - DEPARTMENT OF ENVIRONMENTAL PROTECTION - GENERAL › Chapter 121 - EMISSION LIMITATIONS AND EMISSION TESTING OF RESOURCE RECOVERY FACILITIES › Section 096-121-5 - Large Municipal Waste Combustor Units Subject to 40 C.F.R. Part 60, Subpart Cb

Current through 2024-29, July 17, 2024
For all Large Municipal Waste Combustor Units for which
				  construction is commenced on or before September 20, 1994, and for all
				  designated units as set forth in 40 C.F.R. Part 60, Subpart Cb, the following
				  shall apply:
A.
Emission
				Limiting Standards.
As set forth in 40 C.F.R. Part 60, Subpart Cb, the
				emissions limits are hereby adopted and incorporated by reference except where
				the state may have established more stringent standards as specified in this
				subsection.
An owner or operator may request that compliance with the
				  following applicable emission standards be determined using carbon dioxide
				  measurements corrected to an equivalent of seven (7) percent oxygen, determined
				  in accordance with 40 C.F.R. Part 60, Subpart Eb.
(1)
Particulate Matter.
The
				emission limit for particulate matter contained in the gases discharged to the
				atmosphere from a designated unit is 25 milligrams per dry standard cubic
				meter, corrected to 7 percent oxygen.
(2)
Opacity.
The emission limit
				for opacity exhibited by the gases discharged to the atmosphere from a
				designated unit is 10 percent (6-minute average).
(3)
Cadmium and Lead.
The
				emission limit for cadmium contained in the gases discharged to the atmosphere
				from a designated unit is 0.035 milligrams per dry standard cubic meter,
				corrected to 7 percent oxygen. The emission limit for lead contained in the
				gases discharged to the atmosphere from a designated unit is 0.40 milligrams
				per dry standard cubic meter, corrected to 7 percent oxygen.
(4)
Mercury.
The emission limit
				for mercury contained in the gases discharged to the atmosphere from a
				designated unit is 28 micrograms per dry standard cubic meter (µg/dscm),
				corrected to 7 percent oxygen or 15 percent of the potential mercury emission
				concentration (85 percent reduction by weight), corrected to 7 percent oxygen
				(dry basis), whichever is less stringent.
(5)
Sulfur Dioxide.
The emission
				limit for sulfur dioxide contained in the gases discharged to the atmosphere
				from a designated unit is 29 parts per million by volume or 20 percent of the
				potential sulfur dioxide emission concentration (80 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.
(6)
Hydrogen
				Chloride.
The emission limit for hydrogen chloride contained in the
				gases discharged to the atmosphere from a designated unit 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.
(7)
Dioxins/Furans.
The emission
				limit for dioxins/furans contained in the gases discharged to the atmosphere
				from a designated unit is 25 nanograms per dry standard cubic meter (total
				mass), corrected to 7 percent oxygen.
(8)
Nitrogen Oxides.
The
				emission limits for nitrogen oxides shall be the limits specified in Table 1 of
				40 C.F.R. Part 60, Subpart Cb. The averaging provisions specified in 40 C.F.R.
				Part 60, Subpart Cb shall apply.
(9)
Carbon Monoxide.
The
				emission limits for carbon monoxide shall be the limits specified in Table 3 of
				40 C.F.R. Part 60, Subpart Cb.
(10)
Fugitive Ash Visible Emissions.
No owner or operator of are source
				recovery facility shall cause to be discharged to the atmosphere visible
				emissions of combustion ash from an ash conveying system (including conveyor
				transfer points and buildings or enclosures of ash conveying systems and
				storage areas) in excess of 5 percent of the observation period (i.e., 9
				minutes in any 3-hour period), as determined by EPA Reference Method 22 in 40
				C.F.R. Part 60, Appendix A. The provisions specified in this section do not
				apply during maintenance and repair of ash conveying systems.