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Table 3 to Subpart WWWW of Part 60—Model Rule—Emission Limits for Existing Large Municipal Waste Combustors

Model Rule—Emission Limits for Existing Large Municipal Waste Combustors

  1. CFR
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  3. Title 40
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  5. Chapter I
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  7. Part 60
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  9. Subpart WWWW
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  11. Subject Group Definitions
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  13. Appendix Table 3 to Subpart WWWW of Part 60
CorpusDaily eCFR
Displayed edition2026-05-14
Last updated2026-05-14

Table 3 to Subpart WWWW of Part 60—Model Rule—Emission Limits for Existing Large Municipal Waste Combustors

For the air pollutant . . .For this combustor type . . .You must meet this emission limit,

corrected to 7 percent oxygen a . . .
Particulate matterAll20 mg/dscm.
OpacityAll10 percent opacity (6-minute block average).
CadmiumAll10 ug/dscm.
LeadAll68 ug/dscm.
MercuryAll50 ug/dscm or 85 percent reduction by weight.
Sulfur dioxideAll22 parts per million by volume dry basis or 75 percent reduction by weight or volume (daily 24-hr geometric average).
Nitrogen oxide bMass burn waterwall205 parts per million by volume dry basis (daily 24-hr arithmetic average).
Mass burn rotary150 parts per million by volume dry basis (daily 24-hr arithmetic average).
Refuse-derived fuel stoker160 parts per million by volume dry basis (daily 24-hr arithmetic average).
Refuse-derived fuel spreader stoker and semi-suspension160 parts per million by volume dry basis (daily 24-hr arithmetic average).
Refuse-derived fuel fluidized bed180 parts per million by volume dry basis (daily 24-hr arithmetic average).
Hydrogen chlorideAll10 parts per million by volume dry basis or 96 percent reduction by weight or volume.
Dioxins/furansAll14 nanograms per dry standard cubic meter (total mass).
a CEMS data during warmup, startup, and shutdown, as defined in this subpart, are not corrected to 7 percent oxygen and are used as measured.
b Existing mass burn waterwall units equipped with air-to-air heat exchanger flue gas reheat in advance of a selective catalytic reduction control device are subject to a 50 parts per million by volume dry basis emission limit.