[Federal Register Volume 77, Number 127 (Monday, July 2, 2012)]
[Rules and Regulations]
[Pages 39182-39183]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: C1-2012-9978]
-----------------------------------------------------------------------
ENVIRONMENTAL PROTECTION AGENCY
40 CFR Parts 141 and 142
[Docket No. EPA-HQ-OW-2009-0090; FRL-9660-4]
RIN 2040-AF10
Revisions to the Unregulated Contaminant Monitoring Regulation
(UCMR 3) for Public Water Systems
Correction
In rule document 2012-9978 appearing on pages 26072-26101 in the
issue of Wednesday, May 2, 2012, make the following correction:
On pages 26072-26073, the table entitled ``EXHIBIT 1--APPLICABILITY
OF UCMR 3 TO WATER UTILITIES BY SYSTEM TYPE AND SIZE'' should read as
set forth below:
Exhibit 1--Applicability of UCMR 3 to Water Utilities by System Type and
Size
------------------------------------------------------------------------
System size \1\
-------------------------------------------
System Type Serving
10,000 Serving <= 10,000
------------------------------------------------------------------------
UCMR 3 Assessment Monitoring
------------------------------------------------------------------------
CWS & NTNCWS................ Requires all systems Requires 800
to monitor for List randomly selected
1 chemicals. systems to monitor
for List 1
chemicals. EPA will
pay for the
analysis of
samples.
TNCWS....................... No requirements..... No Requirements.
------------------------------------------------------------------------
UCMR 3 Screening Survey
------------------------------------------------------------------------
CWS & NTNCWS................ Requires all systems Requires 480
serving more than randomly selected
100,000, and 320 systems to monitor
randomly selected for List 2
systems serving chemicals. EPA will
10,001 to 100,000 pay for the
to monitor for List analysis of
2 chemicals. samples.
TNCWS....................... No requirements..... No Requirements.
------------------------------------------------------------------------
UCMR 3 Pre-Screen Testing
------------------------------------------------------------------------
CWS, TNCWS & NTNCWS......... No requirements..... Requires 800
randomly selected
systems to permit
EPA to sample and
analyze List 3
microbes. The
selected systems
will be served by
non-disinfecting
ground water wells
in vulnerable
areas. EPA will pay
for the analysis of
samples.
------------------------------------------------------------------------
\1\ Based on the retail population, as indicated by SDWIS/Fed on
December 31, 2010.
[[Page 39183]]
[FR Doc. C1-2012-9978 Filed 6-29-12; 8:45 am]
BILLING CODE 1505-01-D