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EPA/WATER

RIN: 2040-AF00

Publication ID: Spring 2009

Title: National Primary Drinking Water Regulations: Minor Correction to Stage 2 Disinfectants & Disinfection Byproducts Rule and Changes Related to References of Analytical Methods in the CFR
Abstract: EPA promulgated the Stage 2 Disinfectants and Disinfectant Byproducts Rule on January 4, 2006 (71 FR 388). The requirements for ground water systems serving 500-9999 people were unintentionally excluded from the final rule. As a result, the rule allowed for less routine compliance monitoring than intended for this category of PWSs. These PWSs should have been required to monitor for both trihalo methanes (TTHMs) and HAA5 concentrations. Due to the error, they were only required to monitor for either TTHMs or HAA5s. EPA also needs to add a notation to methods tables currently in the regulations to indicate where readers can find the list of methods approved under the expedited process. This action will add a reference to the list of additional methods to tables in 40 CFR 141.
Agency: Environmental Protection Agency(EPA)	Priority: Info./Admin./Other
RIN Status: Previously published in the Unified Agenda	Agenda Stage of Rulemaking: Final Rule Stage
Major: No	Unfunded Mandates: No
CFR Citation: Not Yet Determined (To search for a specific CFR, visit the Code of Federal Regulations.)
Legal Authority: 42 USC 300f and 42 USC 300g-1

Legal Deadline: None

Timetable:

Action	Date	FR Cite
NPRM	11/14/2008	73 FR 67456
NPRM Comment Period End	01/13/2009
Final Action	11/00/2009

Additional Information: SAN No. 5272
Regulatory Flexibility Analysis Required: No	Government Levels Affected: None
Small Entities Affected: No	Federalism: No
Included in the Regulatory Plan: No
RIN Data Printed in the FR: No
Agency Contact: Thomas Grubbs Environmental Protection Agency Water 4607M, 4607M, Washington, DC 20460 Phone:202 564-5262 Fax:202 564-3767 Email: Grubbs.Thomas@epamail.epa.gov Pat Fair Environmental Protection Agency Water USEPA Facilities, Cincinnati, OH 45268 Phone:513 569-7937 Email: Fair.Pat@epamail.epa.gov