Md. Code Regs. 26.04.01.07-1
B. The best available technology for each contaminant listed in Regulation .07D and E of this chapter is specified in the following table: BAT for Chemicals Listed in Regulation .07D and E of This Chapter
| Contaminant | GAC | PTA | OX |
|---|---|---|---|
| (1) Alachlor | X | ||
| (2) Atrazine | X | ||
| (3) Benzene | X | X | |
| (4) Benzo[a]pyrene | X | ||
| (5) Carbofuran | X | ||
| (6) Carbon tetrachloride | X | X | |
| (7) Chlordane | X | ||
| (8) Dalapon | X | ||
| (9) 2,4-D | X | ||
| (10) Di-(2-ethylhexyl)adipate | X | X | |
| (11) Di(2-ethylhexyl)phthalate | X | ||
| (12) Dibromochloropropane | X | X | |
| (13) o-Dichlorobenzene | X | X | |
| (14) para-Dichlorobenzene | X | X | |
| (15) 1,2-Dichloroethane | X | X | |
| (16) 1,1-Dichloroethylene | X | X | |
| (17) cis-1,2-Dichloroethylene | X | X | |
| (18) trans-1,2-Dichloroethylene | X | X | |
| (19) Dichloromethane | X | ||
| (20) 1,2-Dichloropropane | X | X | |
| (21) Dinoseb | X | ||
| (22) Diquat | X | ||
| (23) Endothall | X | ||
| (24) Endrin | X | ||
| (25) Ethylbenzene | X | X | |
| (26) Ethylene dibromide (EDB) | X | X | |
| (27) Glyphosate | X | ||
| (28) Heptaclor | X | ||
| (29) Heptachlor epoxide | X | ||
| (30) Hexachlorobenzene | X | ||
| (31) Hexachlorocyclopentadiene | X | X | |
| (32) Lindane | X | ||
| (33) Methoxychlor | X | ||
| (34) Monochlorobenzene | X | X | |
| (35) Oxamyl (vydate) | X | ||
| (36) Pentachlorophenol | X | ||
| (37) Picloram | X | ||
| (38) Polychlorinated biphenyls (PCB) | X | ||
| (39) Simazine | X | ||
| (40) Styrene | X | X | |
| (41) 2,3,7,8-TCDD (dioxin) | X | ||
| (42) Tetrachloroethylene | X | X | |
| (43) Toluene | X | X | |
| (44) Toxaphene | X | ||
| (45) 2,4,5-TP (Silvex) | X | ||
| (46) 1,2,4-Trichlorobenzene | X | X | |
| (47) 1,1,1-Trichloroethane | X | X | |
| (48) 1,1,2-Trichloroethane | X | X | |
| (49) Trichloroethylene | X | X | |
| (50) Vinyl chloride | X | ||
| (51) Xylene | X | X |
C. Disinfection Byproducts and Disinfectants. The best available technology, treatment technique, or other means available for each contaminant listed in Regulations .07F and .23C of this chapter is specified in the following table:
| Disinfection Byproduct | Best Available Technology | |
| TTHM, HAA5 | Primary Systems: Enhanced coagulation or enhanced softening or GAC10, with chlorine as the primary and residual disinfectant. | |
| Primary systems that disinfect their source water: Enhanced coagulation or enhanced softening, plus GAC10; or nanofiltration with a molecular weight cutoff not greater than or equal to 1,000 Daltons; or GAC20. | ||
| Consecutive systems that receive disinfected water: | Systems serving 10,000 or more: Improved distribution system and storage tank management to reduce residence time, plus the use of chloramines for disinfectant residual maintenance. | |
| Systems serving less than 10,000: Improved distribution system and storage tank management to reduce residence time. | ||
| Bromate | Control of ozone treatment process to reduce production of bromate. | |
| Chlorite | Control of treatment processes to reduce disinfectant demand and control of disinfection treatment processes to reduce disinfectant levels. | |
| Maximum residual disinfectant levels | Control of treatment processes to reduce disinfectant demand and control of disinfection treatment processes to reduce disinfectant levels. | |
Authority: Environment Article, Title 9, Subtitles 2 and 4, Annotated Code of Maryland
Effective date: October 21, 1977 (4:22 Md. R. 1670)
Appendix E adopted effective January 27, 1978 (5:2 Md. R. 84)
Regulations .01, .06—.11, .15A, .19A and B, .20F, and .22 amended effective August 10, 1987 (14:16 Md. R. 1774)
Regulations .15G—P, .19E, .28—.33, and .35 adopted effective August 10, 1987 (14:16 Md. R. 1774)
Regulations .26, .27, and .34 adopted effective November 30, 1987 (14:24 Md. R. 2555)
Appendices A—E recodified as Regulation .36
Chapter recodified from COMAR 10.17.07 to COMAR 26.04.01
Chapter revised effective March 18, 1991 (18:5 Md. R. 596)
Regulation .01B amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .03A amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .04A amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .05-2 adopted effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .08 amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .10 repealed and new Regulation .10 adopted effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .11 repealed and new Regulation .11 adopted effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .11-1—.11-3 adopted effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .12 amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .17 amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .20A, F amended effective December 21, 1992 (19:25 Md. R. 2208)
Regulation .33 amended effective December 21, 1992 (19:25 Md. R. 2208)
Chapter revised effective January 2, 1995 (21:26 Md. R. 2192)
Regulation .01B amended effective October 4, 1999 (26:20 Md. R. 1548); October 16, 2000 (27:20 Md. R. 1842)
Regulation .03A amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .04 amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .12 amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .15 amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .15-1 amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .15-2 amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .20-1 amended effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .20-2 adopted effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .23C adopted effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .29D adopted effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .31 repealed effective October 16, 2000 (27:20 Md. R. 1842)
Regulation .36 adopted effective October 4, 1999 (26:20 Md. R. 1548)
Chapter revised as an emergency provision effective January 1, 2002 (29:4 Md. R. 415); revised permanently effective April 29, 2002 (29:8 Md. R. 702)
Chapter revised effective September 1, 2003 (30:17 Md. R. 1205)
Regulation .01B amended effective April 25, 2005 (32:8 Md. R. 743); December 14, 2009 (36:25 Md. R. 1956); August 29, 2016 (43:17 Md. R. 957)
Regulation .01-1 amended effective April 25, 2005 (32:8 Md. R. 743)
Regulation .01-1B amended effective December 14, 2009 (36:25 Md. R. 1956); March 7, 2011 (38:5 Md. R. 319); August 29, 2016 (43:17 Md. R. 957)
Regulation .03A amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .04A amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .05F adopted effective March 7, 2011 (38:5 Md. R. 319)
Regulation .05-2 amended effective April 25, 2005 (32:8 Md. R. 743)
Regulation .15-2I amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .05-2L adopted effective December 14, 2009 (36:25 Md. R. 1956)
Regulation .05-5 adopted effective March 7, 2011 (38:5 Md. R. 319)
Regulation .06-2 amended effective March 7, 2011 (38:5 Md. R. 319)
Regulation .07 amended effective December 14, 2009 (36:25 Md. R. 1956)
Regulation .07-1 amended effective December 14, 2009 (36:25 Md. R. 1956)
Regulation .08E amended effective April 25, 2005 (32:8 Md. R. 743)
Regulation .09C amended effective April 25, 2005 (32:8 Md. R. 743)
Regulation .10 amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .11 amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .11D adopted effective March 7, 2011 (38:5 Md. R. 319)
Regulation .11-1 amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .11-2 amended effective March 7, 2011 (38:5 Md. R. 319); August 29, 2016 (43:17 Md. R. 957)
Regulation .11-3D adopted effective March 7, 2011 (38:5 Md. R. 319)
Regulation .11-4 adopted effective August 29, 2016 (43:17 Md. R. 957)
Regulation .12 amended effective April 25, 2005 (32:8 Md. R. 743)
Regulation .15-2 amended effective April 25, 2005 (32:8 Md. R. 743); December 14, 2009 (36:25 Md. R. 1956); March 7, 2011 (38:5 Md. R. 319)
Regulation .17A amended effective March 7, 2011 (38:5 Md. R. 319)
Regulation .19D amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .19D, G amended effective March 7, 2011 (38:5 Md. R. 319)
Regulation .20 amended effective April 25, 2005 (32:8 Md. R. 743); December 14, 2009 (36:25 Md. R. 1956); March 7, 2011 (38:5 Md. R. 319)
Regulation .20-1 amended effective March 7, 2011 (38:5 Md. R. 319)
Regulation .20-2 amended effective March 7, 2011 (38:5 Md. R. 319)
Regulation .20C, D amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .20-2E amended effective December 14, 2009 (36:25 Md. R. 1956); August 29, 2016 (43:17 Md. R. 957)
Regulation .21 amended effective December 14, 2009 (36:25 Md. R. 1956); March 7, 2011 (38:5 Md. R. 319)
Regulation .21H amended effective August 29, 2016 (43:17 Md. R. 957)
Regulation .21I adopted effective August 29, 2016 (43:17 Md. R. 957)
Regulation .23 amended effective December 14, 2009 (36:25 Md. R. 1956)
Regulation .23C amended effective March 7, 2011 (38:5 Md. R. 319)
Regulation .25B amended effective December 14, 2009 (36:25 Md. R. 1956)
Regulation .25C amended effective April 25, 2005 (32:8 Md. R. 743)
Regulation .30B amended effective December 14, 2009 (36:25 Md. R. 1956)
Regulation .34 amended effective March 1, 2004 (31:4 Md. R. 318)