Unless otherwise expressly provided in this subtitle, the provisions of this subtitle are cumulative and each provision applies to each applicable source or installation and to each person in control of the source or installation.

Authority: Environment Article, §§1-101, 1-404, 2-101—2-103, 2-301—2-303, 10-102, and 10-103, Annotated Code of Maryland

Effective date: July 18, 1980 (7:12 Md. R. 1148)

Regulation .01A-1, F-1 adopted effective October 10, 1981 (8:18 Md. R. 1480)

Regulation .01H amended effective July 10, 1981 (8:11 Md. R. 974)

Regulation .01I amended effective June 8, 1981 (8:9 Md. R. 800); July 2, 1985 (12:11 Md. R. 1049); October 14, 1985 (12:18 Md. R. 1766); August 11, 1986 (13:13 Md. R. 1492); January 5, 1988 (14:24 Md. R. 2555)

Regulation .01K amended effective June 8, 1981 (8:9 Md. R. 800); August 16, 1983 (10:14 Md. R. 1263); December 3, 1984 (11:22 Md. R. 1899); October 14, 1985 (12:18 Md. R. 1766); August 11, 1986 (13:13 Md. R. 1492); January 5, 1988 (14:24 Md. R. 2555)

Regulation .01O-1, V-1, and Y adopted effective August 16, 1983 (10:14 Md. R. 1262)

Regulation .01O-1 amended effective January 5, 1988 (14:24 Md. R. 2555)

Regulation .01V-1 and Y amended, and X-1 adopted effective August 10, 1987 (14:14 Md. R. 1572)

Regulation .01X amended effective July 10, 1981 (8:11 Md. R. 974); August 16, 1983 (10:14 Md. R. 1262)

Regulation .04C amended effective February 10, 1984 (10:26 Md. R. 2341); July 2, 1985 (12:11 Md. R. 1049)

Regulation .04D repealed and .05 amended effective February 10, 1984 (10:26 Md. R. 2341)

Regulation .08 repealed effective December 3, 1984 (11:22 Md. R. 1899)

Regulation .08 adopted effective March 24, 1987 (14:4 Md. R. 419)

Figure 1 moved to COMAR 10.18.01 from COMAR 10.18.06 effective August 16, 1983 (10:14 Md. R. 1262); recodified as Regulation .09

On July 18, 1980, Subtitle 18 Air Quality was reorganized and recodified from 7 chapters to 22 chapters. Citation tables listing the codification changes appear at 7:5 Md. R. 501. The administrative histories of the original 7 chapters are given on the following pages.

Chapter recodified from COMAR 10.18.01 to COMAR 26.11.01

Regulation .01 amended effective December 7, 1992 (19:24 Md. R. 2128)

Regulation .01A—Y recodified to Regulation .01A—DD

Regulation .01A and A-1 recodified to Regulation .01A-1 and A-2, respectively, and new Regulation .01A and A-3 adopted effective May 8, 1991 (18:6 Md. R. 688)

Regulation .01A-1 adopted effective September 27, 1988 (15:18 Md. R. 2148)

Regulation .01C-1 adopted effective July 22, 1991 (18:13 Md. R. 1484)

Regulation .01E amended effective June 20, 1989 (16:9 Md. R. 995)

Regulation .01E-1, F-1, and G-1 adopted effective July 22, 1991 (18:13 Md. R. 1484)

Regulation .01J amended effective April 26, 1993 (20:8 Md. R. 724)

Regulation .01K, M amended effective September 26, 1988 (15:17 Md. R. 2049); March 31, 1991 (18:4 Md. R. 450); February 17, 1992 (19:3 Md. R. 306)

Regulation .01L amended effective March 21, 1989 (16:3 Md. R. 347); May 8, 1991 (18:6 Md. R. 688); April 26, 1993 (20:8 Md. R. 724)

Regulation .01M-1 adopted effective April 26, 1993 (20:8 Md. R. 724)

Regulation .01O-1 adopted effective July 22, 1991 (18:13 Md. R. 1484)

Regulation .01P-1, P-2, P-3 adopted effective March 21, 1989 (16:3 Md. R. 347)

Regulation .01Q-1 and Q-2 adopted effective May 8, 1991 (18:6 Md. R. 688)

Regulation .01R amended effective March 21, 1989 (16:3 Md. R. 347); March 31, 1991 (18:4 Md. R. 450); February 17, 1992 (19:3 Md. R. 306)

Regulation .01U amended effective May 8, 1991 (18:6 Md. R. 688)

Regulation .01U-1 adopted effective July 22, 1991 (18:13 Md. R. 1484)

Regulation .01X-1 adopted effective September 27, 1988 (15:18 Md. R. 2148)

Regulation .01DD amended effective May 8, 1991 (18:6 Md. R. 688); August 19, 1991 (18:16 Md. R. 1813); February 17, 1992 (19:3 Md. R. 306)

Regulation .01B amended effective June 20, 1994 (21:12 Md. R. 1063 and 21:12 Md. R. 1064); May 8, 1995 (22:9 Md. R. 647); May 22, 1995 (22:10 Md. R. 708); June 30, 1997 (24:13 Md. R. 932); September 22, 1997 (24:19 Md. R. 1343); October 5, 1998 (25:20 Md. R. 1533); March 22, 1999 (26:6 Md. R. 487); October 16, 2000 (27:20 Md. R. 1842); December 10, 2001 (28:24 Md. R. 2130); November 24, 2003 (30:23 Md. R. 1653); September 12, 2005 (32:18 Md. R. 1521); October 8, 2007 (34:20 Md. R. 1741); June 16, 2008 (35:12 Md. R. 1121); July 16, 2009 (36:14 Md. R. 985); May 17, 2010 (37:10 Md. R. 724); July 26, 2010 (37:15 Md. R. 1000); September 20, 2010 (37:19 Md. R. 1285)

Regulation .01B amended as an emergency provision effective January 2, 2011 (38:4 Md. R. 263); amended permanently effective May 16, 2011 (38:10 Md. R. 617)

Regulation .01B amended effective March 5, 2012 (39:4 Md. R. 339 - two actions); July 8, 2013 (40:13 Md. R. 1076 - two actions); February 15, 2016 (43:3 Md. R. 273); May 9, 2016 (43:9 Md. R. 531); April 23, 2018 (45:8 Md. R. 422); December 6, 2018 (45:24 Md. R. 1163)

Regulation .01C amended effective June 30, 1997 (24:13 Md. R. 932); October 16, 2000 (27:20 Md. R. 1842); December 10, 2001 (28:24 Md. R. 2130); October 8, 2007 (34:20 Md. R. 1741)

Regulation .01D amended effective December 10, 2001 (28:24 Md. R. 2130); November 24, 2003 (30:23 Md. R. 1653); September 12, 2005 (32:18 Md. R. 1521); October 8, 2007 (34:20 Md. R. 1741)

Regulation .04C amended effective July 16, 1990 (17:11 Md. R. 1344); August 19, 1991 (18:16 Md. R. 1813); February 17, 1992 (19:3 Md. R. 306); February 15, 1993 (20:3 Md. R. 260); November 2, 1998 (25:22 Md. R. 1653); June 19, 2006 (33:12 Md. R. 999); March 5, 2012 (39:4 Md. R. 339)

Regulation .05 amended effective June 30, 1997 (24:13 Md. R. 932); December 10, 2001 (28:24 Md. R. 2130)

Regulation .05C, D adopted effective May 17, 2010 (37:10 Md. R. 724)

Regulation .05-1 adopted effective December 7, 1992 (19:24 Md. R. 2128)

Regulation .07C amended effective May 8, 1995 (22:9 Md. R. 648)

Regulation .08A, B amended effective September 27, 1988 (15:18 Md. R. 2148)

Regulation .10 adopted effective July 22, 1991 (18:13 Md. R. 1484)

Regulation .10 amended effective September 22, 1997 (24:19 Md. R. 1343)

Regulation .10 repealed and new Regulation .10 adopted effective May 17, 2010 (37:10 Md. R. 724)

Regulation .10A, B amended effective February 15, 2016 (43:3 Md. R. 273)

Regulation .10A, C amended effective August 22, 2011 (38:17 Md. R. 1014)

Regulation .10A, F amended effective July 20, 2015 (42:14 Md. R. 884)

Regulation .10F amended effective August 22, 2011 (38:17 Md. R. 1014)

Regulation .10F repealed effective February 15, 2016 (43:3 Md. R. 273)

Regulation .11 adopted effective July 22, 1991 (18:13 Md. R. 1484)

Regulation .11 amended effective April 27, 1992 (19:8 Md. R. 806); September 22, 1997 (24:19 Md. R. 1343)

Regulation .11 repealed and new Regulation .11 adopted effective May 17, 2010 (37:10 Md. R. 724)

Regulation .11A, B amended effective August 22, 2011 (38:17 Md. R. 1014)

Regulation .11D amended effective August 22, 2011 (38:17 Md. R. 1014)

Regulation .11E adopted effective August 22, 2011 (38:17 Md. R. 1014)

Effective date: May 28, 1968

Amended effective January 28, 1969; September 29, 1970; January 4, 1971; January 17, 1972; May 12, 1973; December 2, 1973

Regulation .01AA adopted effective December 16, 1977 (4:26 Md. R. 2024)

Regulation .01Y, AA amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .01W, DD, SS adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulations .01P, WW, .03B amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .01F, G, X, XX adopted effective June 28, 1977 (4:11 Md. R. 866)

Regulation .01ZZ adopted effective September 10, 1978 (5:18 Md. R. 1387)

Regulation .01AAA, BBB adopted effective January 2, 1980 (6:23 Md. R. 1839)

Regulations .03B and .04 amended effective December 10, 1979 (6:21 Md. R. 1708)

Regulation .04 adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .04A, G amended effective January 2, 1979 (5:23 Md. R. 1740)

Regulation .04I amended effective August 21, 1978 (5:14 Md. R. 1137)

Regulations .04F, .05E, .06A amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .11 amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .11B, C, H, I amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .11G, H, K amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .11G, J, K amended effective December 16, 1977 (4:26 Md. R. 2024)

Regulation .11H amended effective January 2, 1979 (5:23 Md. R. 1740)

Regulation .11J amended effective September 10, 1978 (5:18 Md. R. 1387)

Regulation .13 adopted effective September 10, 1978 (5:18 Md. R. 1387); repealed effective January 2, 1980 (6:23 Md. R. 1839)

Chapter repealed effective July 18, 1980 (7:12 Md. R. 1148)

Effective date: May 28, 1968

Amended effective January 28, 1969; January 17, 1972; May 12, 1972; December 2, 1973

Regulation .01D amended effective June 25, 1975 (2:14 Md. R. 1015) and March 30, 1977 (4:7 Md. R. 579)

Regulation .02A—D amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .02E, F adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .02F amended effective March 30, 1977 (4:7 Md. R. 579)

Regulations .02 and .03 amended effective December 10, 1979 (6:21 Md. R. 1708)

Regulation .03A—E amended effective June 25, 1975 (2:14 Md. R. 1015) and March 30, 1977 (4:7 Md. R. 579)

Regulation .04A—G amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .04B, D, G, I amended effective December 10, 1979 (6:21 Md. R. 1708)

Regulation .04I, J adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .04B, C, F, G, H, I amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .05 adopted effective December 16, 1977 (4:26 Md. R. 2024); amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .06D amended effective December 10, 1979 (6:21 Md. R. 1708)

Regulation .06D, E amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulations .06D, .07A, B amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .07 repealed and new Regulation .07 adopted effective September 10, 1978 (5:18 Md. R. 1387); amended effective January 2, 1980 (6:23 Md. R. 1839)

Chapter repealed effective July 18, 1980 (7:12 Md. R. 1148)

Effective date: May 28, 1968

Amended effective January 28, 1969; September 29, 1970; February 21, 1971; January 17, 1972; May 12, 1972; December 2, 1973; February 12, 1974

Regulation .01B, D amended effective June 25, 1975 (2:14 Md. R. 1015) and March 30, 1977 (4:7 Md. R. 579)

Regulation .02B amended effective June 25, 1975 (2:14 Md. R. 1015) and January 2, 1979 (5:23 Md. R. 1740)

Regulation .02C, D adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .02D amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .02B, E amended effective June 28, 1977 (4:11 Md. R. 866)

Regulation .03A amended effective January 2, 1979 (5:23 Md. R. 1740)

Regulation .03A—D amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .03A—C, E amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .03B, E amended effective June 28, 1977 (4:11 Md. R. 866)

Regulation .03G adopted effective June 28, 1977 (4:11 Md. R. 866)

Regulation .04B—G, J amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .04B amended effective June 28, 1977 (4:11 Md. R. 866)

Regulation .04B, G amended effective December 10, 1979 (6:21 Md. R. 1708)

Regulation .04C, F—J amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .04D amended effective March 31, 1980 (7:4 Md. R. 347)

Regulation .04I amended effective January 2, 1979 (5:23 Md. R. 1740)

Regulation .04J amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .04K adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .05 adopted effective December 16, 1977 (4:26 Md. R. 2024); amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .06C, E, F, G amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .06C, E, G amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .06G, H amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .07 adopted effective September 10, 1978 (5:18 Md. R. 1387); amended effective January 2, 1980 (6:23 Md. R. 1839)

Chapter repealed effective July 18, 1980 (7:12 Md. R. 1148)

Effective date: May 28, 1968

Amended effective March 24, 1970; January 4, 1971; January 17, 1972; May 12, 1972; December 2, 1973; February 12, 1974

Regulation .01B, D amended effective June 25, 1975 (2:14 Md. R. 1015) and March 30, 1977 (4:7 Md. R. 579)

Regulation .02B amended effective June 25, 1975 (2:14 Md. R. 1015); January 2, 1979 (5:23 Md. R. 1740)

Regulation .02C, D adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .02D amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .02E amended effective June 28, 1977 (4:11 Md. R. 866)

Regulation .03A amended effective January 2, 1979 (5:23 Md. R. 1740)

Regulation .03A—D amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .03A—C, E amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .03B, E amended effective June 28, 1977 (4:11 Md. R. 866)

Regulation .03G adopted effective June 28, 1977 (4:11 Md. R. 866)

Regulation .04B—G, J amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .04B amended effective June 28, 1977 (4:11 Md. R. 816)

Regulation .04B, G amended effective December 10, 1979 (6:21 Md. R. 1708)

Regulation .04C, F—J amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .04D amended effective March 31, 1980 (7:4 Md. R. 347)

Regulation .04I amended effective January 2, 1979 (5:23 Md. R. 1740)

Regulation .04J amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .04K adopted effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .05 adopted effective December 16, 1977 (4:26 Md. R. 2024); amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .06C, E, F, G amended effective June 25, 1975 (2:14 Md. R. 1015)

Regulation .06C, E, G amended effective March 30, 1977 (4:7 Md. R. 579)

Regulation .06G, H amended effective January 2, 1980 (6:23 Md. R. 1839)

Regulation .07 adopted effective September 10, 1978 (5:18 Md. R. 1387); amended effective January 2, 1980 (6:23 Md. R. 1839)

Chapter repealed effective July 18, 1980 (7:12 Md. R. 1148)