Maine Revised Statutes Title 38 Sec. 584-B – Establishment of ambient increments — Class I regions
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In addition to the ambient air quality standards set forth in section 584?A, any Class I region or part thereof within the State, including those federal lands designated by the Federal Clean Air Act Amendments of 1977, is subject to a maximum allowable increase in concentration of sulfur dioxide, particulate matter and nitrogen oxides over the baseline concentration of that pollutant. An increase shall not be exceeded more than once annually for any period other than an annual period. The maximum allowable increase consists of: [PL 1989, c. 860, §1 (AMD).]
1. PM10. In regards to PM10:
A. An increase in the annual arithmetic mean at any location not to exceed 4 micrograms per cubic meter; and [PL 1995, c. 493, §12 (AMD).]
B. An increase in concentration for any 24-hour period at any location not to exceed 8 micrograms per cubic meter; and [PL 1995, c. 493, §12 (AMD).]
[PL 1995, c. 493, §12 (AMD).]
Terms Used In Maine Revised Statutes Title 38 Sec. 584-B
- Ambient air: means all air outside of buildings, stacks or exterior ducts. See Maine Revised Statutes Title 38 Sec. 582
- Baseline: Projection of the receipts, outlays, and other budget amounts that would ensue in the future without any change in existing policy. Baseline projections are used to gauge the extent to which proposed legislation, if enacted into law, would alter current spending and revenue levels.
- lands: includes lands and all tenements and hereditaments connected therewith, and all rights thereto and interests therein. See Maine Revised Statutes Title 1 Sec. 72
- Region: means an air quality region or regions established by the board pursuant to section 583. See Maine Revised Statutes Title 38 Sec. 582
2. Sulfur dioxide. In regards to sulfur dioxide:
A. An increase in the annual arithmetic mean at any location not to exceed 2 micrograms per cubic meter; [PL 1979, c. 381, §7 (NEW).]
B. An increase in concentration for any 24-hour period at any location not to exceed 5 micrograms per cubic meter; and [PL 1979, c. 381, §7 (NEW).]
C. An increase in concentration for any 3-hour period at any location not to exceed 25 micrograms per cubic meter. [PL 1979, c. 381, §7 (NEW).]
[PL 1979, c. 381, §7 (NEW).]
3. Nitrogen oxides. In regards to nitrogen oxides:
A. An increase in the annual arithmetic mean at any location not to exceed 2.5 micrograms per cubic meter to be expressed as nitrogen dioxide. [PL 1989, c. 860, §2 (NEW).]
[PL 1989, c. 860, §2 (NEW).]
SECTION HISTORY
PL 1979, c. 381, §7 (NEW). PL 1989, c. 860, §§1,2 (AMD). PL 1995, c. 493, §12 (AMD).