The Department is adopting the federal Stage 2 Disinfectants and Disinfection Byproducts Rule (Stage 2 D/DBPR), including revisions to Appendix B to Subpart Q of 40 CFR 141, “Standard Health Effects Language for Public Notification,” and including ...

 

DEPARTMENT OF ENVIRONMENTAL PROTECTION

RULE NO: RULE TITLE
62-560.400: Scope of Drinking Water Public Notification Rules
PURPOSE, EFFECT AND SUMMARY: The Department is adopting the federal Stage 2 Disinfectants and Disinfection Byproducts Rule (Stage 2 D/DBPR), including revisions to Appendix B to Subpart Q of 40 CFR 141, “Standard Health Effects Language for Public Notification,” and including revisions to best available technology for disinfection byproducts. Rule 62-560.400, F.A.C., is being amended to adopt and incorporate the latest version of Appendix B to Subpart Q of 40 CFR 141, “Standard Health Effects Language for Public Notification.” Table 2 in Chapter 62-560, F.A.C., is being amended to incorporate the Stage 2 D/DBPR revisions to best available technology for disinfection byproducts.
SPECIFIC AUTHORITY: 403.861(9) FS.
LAW IMPLEMENTED: 403.857 FS.
THIS RULEMAKING IS UNDERTAKEN PURSUANT TO SECTION
403.8055, F.S. WRITTEN COMMENTS MAY BE SUBMITTED WITHIN 21 DAYS OF THE DATE OF THIS NOTICE TO: Virginia Harmon, Drinking Water Section, Department of Environmental Protection, 2600 Blair Stone Road, M.S. 3520, Tallahassee, Florida 32399, [e-mail].
SUBSTANTIALLY AFFECTED PERSONS MAY WITHIN 14 DAYS OF THE DATE OF THIS NOTICE, FILE AN OBJECTION TO THIS RULEMAKING WITH THE AGENCY. THE OBJECTION SHALL SPECIFY THE PORTIONS OF THE PROPOSED RULE TO WHICH THE PERSON OBJECTS AND THE SPECIFIC REASONS FOR THE OBJECTION.

THE FULL TEXT OF THE PROPOSED RULE IS:

62-560.400 Scope of Drinking Water Public Notification Rules.

The following sections set forth the requirements that a supplier of water shall meet when public notification is required. In addition to the requirements described in this part, Appendix B to Subpart Q of 40 CFR 141, “Standard Health Effects Language for Public Notification,” July 1, 2009 2002, is adopted and incorporated herein by reference and is available from the Department of Environmental Protection, Drinking Water Section (MS 3520), 2600 Blair Stone Road, Tallahassee, Florida 32399-2400.

Rulemaking Specific Authority 403.861(9) FS. Law Implemented 403.857 FS. History–New 1-18-89, Amended 1-3-91, 1-1-93, Formerly 17-560.400, Amended 9-7-94, 11-27-01, 1-17-05, ________.

 

TABLE 2: [insert the effective date of these rule amendments]

 

BEST AVAILABLE TECHNOLOGY FOR DISINFECTION BYPRODUCTS
CONTAMINANT	BEST AVAILABLE TECHNOLOGY
Total Trihalomethanes and Haloacetic Acids (five)	For compliance with the Stage 1 MCLs and 40 CFR 141, subpart L, as incorporated into Rule 62-550.821, F.A.C.: Enhanced coagulation or enhanced softening or GAC10, with chlorine as the primary and residual disinfectant For compliance with the Stage 2 MCLs and 40 CFR 141, subpart V, as incorporated into Rule 62-550.822, F.A.C., by systems that disinfect their source water: Enhanced coagulation or enhanced softening, plus GAC10 Nanofiltration with a molecular weight cutoff less than or equal to 1000 Daltons GAC20 For compliance with the Stage 2 MCLs and 40 CFR 141, subpart V, as incorporated into Rule 62-550.822, F.A.C., by consecutive systems (these technologies apply only to disinfected water that consecutive systems buy or otherwise receive): Systems serving 10,000 or more people: 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 people: Improved distribution system and storage tank management to reduce residence time
Total Trihalomethanes	Enhanced coagulation with chlorine as the primary and residual disinfectant. Enhanced softening with chlorine as the primary and residual disinfectant. GAC 10 with chlorine as the primary and residual disinfectant.
Haloacetic acids (five)	Enhanced coagulation with chlorine as the primary and residual disinfectant. Enhanced softening with chlorine as the primary and residual disinfectant. GAC 10 with chlorine as the primary and residual disinfectant.
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.