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EPA/WATER

RIN: 2040-AD58

Publication ID: Spring 2000

Title: ●Unregulated Contaminant Monitoring Rule - List 2
Abstract: The Office of Water will revise the National Primary Drinking Water Regulations for Unregulated Contaminant Monitoring to require monitoring for List 2 contaminants for which analytical methods and sampling locations must be specified. Promulgation of these methods and sampling locations will allow the unregulated contaminants on List 2 of the Unregulated Contaminant Monitoring Regulation (1999) List to be monitored beginning January 2001, along with monitoring for List 1 contaminants. Monitoring will be conducted at approximately 300 randomly selected public water systems, quarterly for one year beginning in 2001. Contaminants on List 2 include: 1,2-diphenylhydrazine; 2-methyl-phenol; 2,4-dichlorophenol; 2,4-dinitrophenol; 2,4,6-trichlorophenol; Alachlor ESA; Diazinon; Disulfoton; Diuron; Fonofos; Linuron; Polonium-210; Prometon; Terbufos; RDX; and Aeromonas (a microbiological contaminant). Methods are currently being developed for these contaminants. If a method is not ready at the time this rule is promulgated, the contaminant may be monitored at a later date when its method is available.
Agency: Environmental Protection Agency(EPA)	Priority: Substantive, Nonsignificant
RIN Status: First time published in the Unified Agenda	Agenda Stage of Rulemaking: Proposed Rule Stage
Major: No	Unfunded Mandates: No
CFR Citation: 40 CFR 141.40
Legal Authority: 42 USC 300f 42 USC 300g-1 to 300g-6 42 USC 300j-4 42 USC 300j-9 42 USC 300j-11

Legal Deadline: None

Timetable:

Action	Date	FR Cite
NPRM	04/00/2000
Final Action	12/00/2000

Additional Information: SAN No. 4373
Regulatory Flexibility Analysis Required: No	Government Levels Affected: Federal, Local, State, Tribal
Small Entities Affected: Businesses, Governmental Jurisdictions, Organizations	Federalism: No
Included in the Regulatory Plan: No
Sectors Affected: 22131 Water Supply and Irrigation Systems
Agency Contact: Charles Job Environmental Protection Agency Water 4606M, Washington, DC 20460 Phone:202 564-3941 Fax:202 564-3756 Email: job.charles@epa.gov Rachel Sakata Environmental Protection Agency Water 4607, Phone:202 260-2527 Fax:202 260-3762