Texas Register, Volume 28, Number 14, Pages 2821-2988, April 4, 2003 Page: 2,894
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final rules for Subpart MM on January 12, 2001 (66 FR 3180).
Since Subpart MM was initially issued, EPA amended the rules
on July 19, 2001 (66 FR 37591) to make technical corrections
and on August 6, 2001 (66 FR 41086) to correct a typographical
error. HAPs that are regulated by this MACT standard include
gaseous organic HAPs and HAP metals.
Section 113.470 - Containers (40 CFR 63, Subpart PP)
The commission proposes to amend 113.470 by incorporating
by reference, without change, all amendments to Subpart PP
made by the EPA since July 20, 1999. During this time frame,
Subpart PP was amended on January 8, 2001 (66 FR 1263) to
correct a cross-reference error.
Section 113.490- Individual Drain Systems (40 CFR 63, Subpart
RR)
The commission proposes to amend 113.490 by incorporating
by reference, without change, all amendments to Subpart RR
made by the EPA since July 20, 1999. During this time frame,
Subpart RR was amended on January 8, 2001 (66 FR 1263) to
correct typographical errors.
Section 113.500 - Closed Vent Systems, Control Devices, Re-
covery Devices, and Routing to a Fuel Gas System or a Process
(40 CFR 63, Subpart SS);
Section 113.510 - Equipment Leaks - Control Level 1 (40 CFR
Part 63, Subpart TT);
Section 113.520 - Equipment Leaks - Control Level 2 (40 CFR
63, Subpart UU); and
Section 113.540 - Storage Vessels (Tanks) - Control Level 2 (40
CFR 63, Subpart WW)
The commission proposes to amend 113.500, 113.510,
113.520, and 113.540 by incorporating by reference, without
change, all amendments to Subparts SS - UU and WW made
by the EPA since November 22, 1999. During this time frame,
Subparts SS - UU and WW were amended on July 12, 2002 (67
FR 46258) as part of an amendment to 40 CFR 63, Subpart YY.
The Subpart YY amendment added four processes (cyanide
chemicals manufacturing, carbon black production, ethylene
production, and spandex production) to the generic MACT
standard and incorporated generic requirements established
for similar emissions sources that are also applicable to the
four processes. The amendments specified the appropriate
methods for demonstrating compliance with percent reduction
requirements and emission concentration limits for the four
processes in Subparts SS - UU and WW and specified who
has the authority to implement and enforce the subparts.
The amendments also specified that the authorities may be
delegated to a state, local, or tribal agency.
Section 113.530 - Oil-Water Separators and Organic-Water Sep-
arators (40 CFR 63, Subpart VV)
The commission proposes to amend 113.530 by incorporating
by reference, without change, all amendments to Subpart VV
made by the EPA since July 20, 1999. During this time frame,
Subpart VV was amended on January 8, 2001 (66 FR 1263) to
correct a typographical error.
Section 113.550 - Ethylene Manufacturing Process Units: Heat
Exchange Systems and Waste Operations (40 CFR 63, Subpart
XX)
The commission proposes new 113.550, which will incorpo-
rate by reference, without change, the final rules to Subpart XXadopted by the EPA on July 12, 2002 (67 FR 46258). This MACT
standard applies to heat exchange systems and wastewater op-
erations at ethylene manufacturing facilities. The primary HAPs
that will be controlled include benzene; 1,3-butadiene; cumene;
ethyl benzene; hexane; naphthalene; styrene; toluene; o-xylene,
m-xylene, and p-xylene.
Section 113.560 - Generic Maximum Achievable Control Tech-
nology Standards (40 CFR 63, Subpart YY)
The commission proposes to amend 113.560 by incorporating
by reference, without change, all amendments to Subpart YY
made by the EPA since November 22, 1999. During this time
frame, Subpart YY was amended on December 22, 1999 (64
FR 71852); November 2, 2001 (66 FR 55844); June 7, 2002 (67
FR 39301); twice on July 12, 2002 (67 FR 46258 and 46289);
and February 10, 2003 (68 FR 6635). The December 22, 1999
amendment was a correction to 40 CFR 63.1103(d), Table 5,
to insert a number that was missing. The November 2, 2001
amendment concerned the regulation of surge control vessels
and bottoms receiver vessels. The June 7, 2002 amendment
addressed a petitioner's questions regarding a recordkeeping
provision in the promulgated rules; the definition for "process
vent"; and editorial, cross-reference, and wording errors. The
July 12, 2002 amendment established standards for cyanide
chemicals manufacturing, carbon black production, ethylene
production, and spandex production source categories. These
four source categories were added to the generic MACT
standards to reduce the regulatory burden associated with the
development of separate rulemakings, to simplify the rulemaking
process, to minimize the potential for duplicative or conflicting
requirements, to conserve limited resources, and to ensure
consistency of the air emissions requirements applied to similar
emission points. EPA also issued an amendment on July 12,
2002, which clarified the EPA intent concerning dry spinning
spandex production processes by concluding that the MACT
floor for spandex dry spinning facilities is "no control" and that
adoption of additional emission controls is not warranted. There-
fore, EPA determined that it was not necessary or appropriate to
promulgate any MACT requirements for spandex dry spinning
facilities, but controls on spandex reaction spinning facilities
were still necessary. The February 10, 2003 amendment added
a definition for "process wastewater" to Subpart YY.
Section 113.620 - Hazardous Waste Combustors (40 CFR 63,
Subpart EEE)
The commission proposes to amend 113.620 by incorporating
by reference, without change, all amendments to Subpart EEE
made by the EPA since November 19, 1999. During this time
frame, EPA amended Subpart EEE on July 10, 2000 (65 FR
422920); November 9, 2000 (65 FR 67268); May 14, 2001 (66
FR 24270); July 3, 2001 (66 FR 35087); October 15, 2001 (66
FR 523610); December 6, 2001 (66 FR 63313); February 13,
2002 (67 FR 6792); February 14, 2002 (67 FR 6968); and De-
cember 19, 2002 (67 FR 77687).
The July 10, 2000 amendment corrected numerous typograph-
ical errors and clarified several issues from the September 30,
1999 promulgated rules; clarified one issue from a closely re-
lated June 19, 1998 amendment; and made one revision to the
November 19, 1999 technical correction.
The November 9, 2000 amendment was an interpretative clari-
fication and a technical correction. Part one of the amendment28 TexReg 2894 April 4, 2003 Texas Register
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Texas. Secretary of State. Texas Register, Volume 28, Number 14, Pages 2821-2988, April 4, 2003, periodical, April 4, 2003; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth101027/m1/73/: accessed May 26, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.