[Federal Register Volume 71, Number 18 (Friday, January 27, 2006)]
[Corrections]
[Pages 4644-4645]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: C6-3]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Parts 9, 141, and 142
[EPA-HQ-OW-2002-0043; FRL-8012-1]
RIN 2040-AD38
National Primary Drinking Water Regulations: Stage 2
Disinfectants and Disinfection Byproducts Rule
Correction
In rule document 06-3 beginning on page 388 in the issue of
Wednesday, January 4, 2006, make the following corrections:
1. On page 424, in the third column, in the last paragraph, in the
second line, ``complete'' should read ``completing''.
2. On the same page, in the same column, in the same paragraph, in
the 12th line, ``complete'' should read ``completing''.
3. On page 426, the table is corrected to read as set forth below:
Table IV.G-1.--IDSE Monitoring Frequencies and Locations
--------------------------------------------------------------------------------------------------------------------------------------------------------
Distribution system monitoring locations \1\
----------------------------------------------------------------
Source water type Population size Monitoring periods and Total per Average
category frequency of sampling monitoring Near entry residence High TTHM High HAA5
period points time locations locations
--------------------------------------------------------------------------------------------------------------------------------------------------------
Subpart H
<500 consecutive one (during peak 2 1 ........... 1
systems. historical month) \2\.
<500 non-consecutive ....................... 2 ........... ........... 1 1
systems.
--------------------------------------
500-3,300 non- four (every 90 days)... 2 1 ........... 1 ...........
consecutive systems.
500-3,300 consecutive ....................... 2 ........... ........... 1 1
systems.
3,301-9,999............ ....................... 4 ........... 1 2 1
--------------------------------------
10,000-49,999.......... six (every 60 days).... 8 1 2 3 2
50,000-249,999......... ....................... 16 3 4 5 4
250,000-999,999........ ....................... 24 4 6 8 6
1,000,000-4,999,999.... ....................... 32 6 8 10 8
>=5,000,000............ ....................... 40 8 10 12 10
======================================
Ground Water
<500 consecutive one (during peak 2 1 ........... 1 ...........
systems. historical month) \2\.
<500 non-consecutive ....................... 2 ........... ........... 1 1
systems.
--------------------------------------
500-9,999.............. four (every 90 days)... 2 ........... ........... 1 1
10,000-99,999.......... ....................... 6 1 1 2 2
100,000-499,999........ ....................... 8 1 1 3 3
>=500,000.............. ....................... 12 2 2 4 4
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\1\ A dual sample set (i.e., a TTHM and an HAA5 sample) must be taken at each monitoring location during each monitoring period.
\2\ The peak historical month is the month with the highest TTHM or HAA5 levels or the warmest water temperature.
[[Page 4645]]
4. On page 433, in the second column, in the third full paragraph,
in the sixth and seventh lines, ``2x10/b 2x10-4,
10-4 and 10-6'' should read
``2x10-4''.
5. On pages 434 and 435, Table IV.K-1 is corrected to read as set
forth below:
Table IV.K-1.--Technologies Considered and Predicted To Be Used in
Compliance Forecast for Small Systems
------------------------------------------------------------------------
SW Water Plants GW Water Plants
------------------------------------------------------------------------
Switching to chloramines as a Switching to
residual disinfectant. chloramines as a residual
disinfectant
Chlorine dioxide (not for UV
systems serving fewer than 100 people).
UV............................ Ozone (not for systems
serving fewer than 100 people)
Ozone (not for systems serving GAC20
fewer than 100 people).
Micro-filtration/Ultra- Nanofiltration
filtration.
GAC20.........................
GAC20 + Advanced disinfectants
Integrated Membranes..........
------------------------------------------------------------------------
Note: Italicized technologies are those predicted to be used in the
compliance forecast.
Source: Exhibits 5.11b and 5.14b, USEPA 2005a.
6. On page 435, in Table IV.K-2, in column H, in the second line,
``9'' should read ``0''.
7. On page 464, in Table VI.K-1, in the ``Notes:'', in the third
line, ``established exposure'' should read ``established between
exposure''.
Sec. 9.1 [Corrected]
8. On page 477, in Sec. 9.1, in the third column, in the table
National Primary Drinking Water Regulations Implementation, under ``OMB
control No.'', in the first line, ``2040-0265'' should read ``2040-
0205''.
Sec. 141.620 [Corrected]
9. On page 489, in Sec. 141.620(c), in the table, in the first
column, in entry (4), ``System serving > 10,000'' should read ``System
serving < 10,000''.
[FR Doc. C6-3 Filed 1-26-06; 8:45 am]
BILLING CODE 1505-01-D