Texas Register, Volume 29, Number 28, Pages 6463-6834, July 09, 2004 Page: 6,540
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from 115.726(c)(4)) would specify that the records maintained
for the calculated net heating values and exit velocities must
be recorded on a 15-minute average basis rather than instan-
taneous values.
Proposed new 115.726(d)(5) would specify recordkeeping re-
quirements specific to flares used solely for loading operations
under 115.725(e), in addition to the general flare recordkeep-
ing requirements in 115.726(d)(1) - (4). The proposed new
language in 115.726(d)(5) would incorporate recordkeeping re-
quirements moved from 115.725(e)(1)(B) and the requirement
in 115.726(d)(5)(A) would require the size of vessel being load-
ing instead of the type of vessel.
Proposed new 115.726(d)(6) would specify recordkeeping
requirements specific to flares used solely for scheduled startup,
shutdown, and maintenance activities under 115.725(f), in
addition to the general flare recordkeeping requirements in
115.726(d)(1) - (4). Similarly, proposed new 115.726(d)(7)
would specify recordkeeping requirements specific to emer-
gency flares subject to 115.725(g), in addition to the general
flare recordkeeping requirements in 115.726(d)(1) - (4). Finally,
proposed new 115.726(d)(8) would specify recordkeeping
requirements specific to flares subject to the requirements of
115.725(h) or (i), in addition to the general flare recordkeeping
requirements in 115.726(d)(1) - (4).
The proposed amendment would reletter 115.726(d), related
to records for exemptions to 115.726(e), and would specify that
the records correspond to the exemptions listed in 115.727(a)
- (e). The proposed amendment to 115.726(e)(1) (that was
renumbered from 115.726(d)(1)) would specify that the records
applied to vent gas streams that are routed to flares and that
contain less than 5.0% by weight HRVOC, and to vent gas
streams that are not routed to flares that does not exceed 100
parts per million by volume HRVOC. The proposed amendment
to 115.726(e)(3) would correct cross-references.
The proposed amendment would reletter 115.726(f) to
115.726(i) and add a new 115.726(f) that would specify that
an owner or operator claiming exemption under 115.727(e)
must submit written notification at least 15 days prior to perma-
nently removing a flare from service, but no later than December
31, 2005.
The proposed amendment would reletter 115.726(e) to
115.726(g). The proposed amendment to 115.726(g) would
specify that daily records are required to demonstrate com-
pliance with the tons per calendar year emissions limits in
115.722(a) and (b). Furthermore, the proposed amendment to
115.726(g)(2) would include pressure relief valves in addition
to all flares and vents subject to 115.725. Finally, the proposed
amendment would delete 115.726(g)(3) because this specific
recordkeeping requirement would be moved to 115.726(g)(2).
Proposed new 115.726(h) would specify the recordkeeping re-
quirements to demonstrate compliance with the one-hour block
emission limits in 115.722(c).
The proposed amendment to 115.726(i) (relettered from
115.726(f)) would specify that records must be maintained
on-site.
Section 115.727, Exemptions
The proposed amendment to 115.727(b)(1) and (2) would cor-
rect cross-references. Additionally, the proposed amendment to
115.727 would delete 115.727(c) that specified that emissions
from scheduled maintenance, startup, and shutdown activities incompliance with 30 TAC 101.211 are exempt from the require-
ments of 115.722(a), and 115.727(d) that specifies that emis-
sions from emissions events in compliance with 101.201 are
exempt from the requirements of 115.722(a). The proposal to
remove the exemptions in 115.727(c) and (d) is necessary to
better ensure an approvable SIP and the demonstration of at-
tainment.
The proposed amendment would reletter 115.727(e) to
115.727(c) and include the addition of language to specify that
the exemptions in 115.727(c) may apply to vent gas streams
that are not routed to a flare. The proposed amendment to
115.727(c)(1) - (3) would correct cross-references. The pro-
posed amendment to 115.727(c)(2) would also add language
to provide exemption for vent gas streams with low volumetric
rates equal to or less than 100 dry standard cubic feet per hour.
This proposed revision provides flexibility for exempting vent gas
streams that may exceed the 100 parts per million by volume
exemption level already provided, but have minimal HRVOC
emissions due to very low volumetric flow rate. An additional
proposed amendment to 115.727(c)(2) would specify that
the 5.0% limit for the total number of vents claimed exempt
under 115.727(c)(2) is based on the long-term pound per
hour cap limitation in 115.722(a) or (b). Finally, the proposed
amendment to 115.727(c)(3)(A) would add incinerators to list
of the sources for which an exemption may be claimed and
would specify that the exemption for vent gas streams resulting
from the combustion of less than 5.0% HRVOC is "by weight."
The proposed amendment would reletter 115.727(f) to
115.727(d) and correct a cross-reference.
Proposed new 115.727(e) would specify that any flares that
will be permanently out of service by April 1, 2006 are exempt
from the requirements of the division except for the recordkeep-
ing requirements of 115.726(f). The new proposed exemption
will provide relief for owner or operators with flares that will be
permanently taken out of service after the December 31, 2005
compliance date to install continuous monitoring equipment, but
prior to the April 1, 2006 compliance date for the site-wide caps
in 115.722.
Section 115.729, Counties and Compliance Schedules
The proposed amendment to 115.729(1) would add pressure
relief valves as applicable devices. Additionally, the proposed
amendment to 115.729(1)(A) would specify that the compliance
schedule applies to testing and monitoring of vent gas streams
and pressure relief valves and that the results must be submit-
ted to the Houston regional office. The proposed amendment to
115.729(1)(A) would also specify that for vent gas streams and
pressure relief valves that become subject to the requirements
of the division after December 31, 2005, testing and monitoring
must be conducted as soon as practicable, but no later than 60
days after being brought into HRVOC service. The proposed
amendment to 115.729(1)(B) would specify that the owner or
operator shall demonstrate compliance with all other require-
ments of the division applicable to pressure relief valves in addi-
tion to vent gas streams as soon as practicable but no later than
April 1, 2006.
The proposed amendment to 115.729(2) would correct a cross-
reference, and would specify that for flares that become subject
to the requirements of the division after December 31, 2005, test-
ing and monitoring must be conducted as soon as practicable but
no later than 60 days after being brought into HRVOC service.
Division 2, Cooling Towers29 TexReg 6540 July 9, 2004 Texas Register
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Texas. Secretary of State. Texas Register, Volume 29, Number 28, Pages 6463-6834, July 09, 2004, periodical, July 9, 2004; Austin, Texas. (https://texashistory.unt.edu/ark:/67531/metapth101131/m1/77/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.