Approval of Louisiana's Request To Relax the Federal Reid Vapor Pressure (RVP) Gasoline Volatility Standard for Several Parishes |
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E. Scott Pruitt
Environmental Protection Agency
26 December 2017
[Federal Register Volume 82, Number 246 (Tuesday, December 26, 2017)]
[Rules and Regulations]
[Pages 60886-60890]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2017-27628]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Part 80
[EPA-HQ-OAR-2016-0683; FRL-9971-92-OAR]
RIN 2060-AT61
Approval of Louisiana's Request To Relax the Federal Reid Vapor
Pressure (RVP) Gasoline Volatility Standard for Several Parishes
AGENCY: Environmental Protection Agency (EPA).
ACTION: Final rule.
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SUMMARY: The Environmental Protection Agency (EPA) is taking final
action to approve an April 10, 2017 request from the Louisiana
Department of Environmental Quality (LDEQ) to relax the Federal Reid
Vapor Pressure (RVP) standard applicable to gasoline introduced into
commerce from June 1 to September 15 of each year for the following
parishes: Beauregard, Calcasieu, Jefferson, Lafayette, Lafourche,
Orleans, Pointe Coupee, St. Bernard, St. Charles, St. James, and St.
Mary. Specifically, EPA is approving amendments to the regulations to
allow the gasoline RVP standard for these 11 parishes to rise from 7.8
pounds per square inch (psi) to 9.0 psi. EPA has determined that this
change to the Federal gasoline RVP volatility regulation is consistent
with the applicable provisions of the Clean Air Act (CAA). LDEQ has
also requested that EPA relax gasoline volatility requirements for the
5-parish Baton Rouge area, and EPA will address that request in a
separate rulemaking in the future.
DATES: This final rule is effective on January 25, 2018.
ADDRESSES: EPA has established a docket for this action under Docket ID
No. EPA-HQ-OAR-2016-0683. All documents in the docket are listed on the
https://www.regulations.gov/ website. Although listed in the index,
some information may not be publicly available, e.g., Confidential
Business Information (CBI) or other information whose disclosure is
restricted by statute. Certain other material, such as copyrighted
material, is not placed on the internet and will be publicly available
only in hard copy form. Publicly available docket materials are
available electronically through https://www.regulations.gov/.
FOR FURTHER INFORMATION CONTACT: Dave Sosnowski, Office of
Transportation and Air Quality, Environmental Protection Agency, 2000
Traverwood Drive, Ann Arbor, Michigan 48105; telephone number: (734)
214-4823; fax number: (734) 214-4052; email address:
sosnowski.dave@epa.gov. You may also contact Rudolph Kapichak at the
same address; telephone number: (734) 214-4574; fax number: (734) 214-
4052; email address: kapichak.rudolph@epa.gov.
SUPPLEMENTARY INFORMATION: The contents of this preamble are listed in
the following outline:
I. General Information
II. Action Being Taken
III. History of the Gasoline Volatility Requirement
IV. EPA's Policy Regarding Relaxation of Gasoline Volatility
Standards in Ozone Nonattainment Areas That Are Redesignated as
Attainment Areas
V. Louisiana's Request to Relax the Federal Gasoline RVP Requirement
for Several Parishes
VI. Response to Comments
VII. Final Action
VIII. Statutory and Executive Order Reviews
IX. Legal Authority and Statutory Provisions
I. General Information
A. Does this action apply to me?
Entities potentially affected by this rule are fuel producers and
distributors who do business in Louisiana.
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Examples of potentially regulated entities NAICS \1\ Codes
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Petroleum refineries................................. 324110, 424710
Gasoline Marketers and Distributors.................. 424720
Gasoline Retail Stations............................. 447110
Gasoline Transporters................................ 484220, 484230
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\1\ North American Industry Classification System.
The above table is not intended to be exhaustive, but rather
provides a guide for readers regarding entities likely to be affected
by this action. The table lists the types of entities of which EPA is
aware that could be affected by this rule. Other types of entities not
listed on the table could also be affected. To determine whether your
organization may be affected by this rule, you should carefully examine
the regulations in 40 CFR 80.27. If you have questions
[[Page 60887]]
regarding the applicability of this action to a particular entity, call
the person listed in the FOR FURTHER INFORMATION CONTACT section of
this preamble.
B. What is EPA's authority for taking this action?
The statutory authority for this action is granted to EPA by
sections 211(h) and 301(a) of the CAA, as amended; 42 U.S.C. 7545(h)
and 7601(a).
II. Action Being Taken
This final rule approves a request from the state of Louisiana to
change the federal RVP standard for the parishes of Beauregard,
Calcasieu, Jefferson, Lafayette, Lafourche, Orleans, Pointe Coupee, St.
Bernard, St. Charles, St. James, and St. Mary from 7.8 psi to 9.0 psi
by amending EPA's regulations at 40 CFR 80.27(a)(2). EPA is not
addressing in this final rule LDEQ's request that EPA also relax the
federal RVP standard for the 5-parish Baton Rouge area. EPA will
address that request in a separate rulemaking in the future.
The preamble for this rulemaking is organized as follows: Section
III, provides the history of the federal gasoline volatility
regulation; Section IV, describes the policy regarding relaxation of
volatility standards in ozone nonattainment areas that are redesignated
as attainment areas; Section V, provides information specific to
Louisiana's request for the 11 parishes addressed by this action;
Section VI, provides a response to the comments EPA received; and
Section VII, presents the final action in response to Louisiana's
request.
III. History of the Gasoline Volatility Requirement
On August 19, 1987 (52 FR 31274), EPA determined that gasoline
nationwide was becoming increasingly volatile, causing an increase in
evaporative emissions from gasoline-powered vehicles and equipment.
Evaporative emissions from gasoline, referred to as volatile organic
compounds (VOCs), are precursors to the formation of tropospheric ozone
and contribute to the nation's ground-level ozone problem. Exposure to
ground-level ozone can reduce lung function, thereby aggravating asthma
and other respiratory conditions, increase susceptibility to
respiratory infection, and may contribute to premature death in people
with heart and lung disease.
The most common measure of fuel volatility that is useful in
evaluating gasoline evaporative emissions is RVP. Under CAA section
211(c), EPA promulgated regulations on March 22, 1989 (54 FR 11868)
that set maximum limits for the RVP of gasoline sold during the
regulatory control periods that were established on a state-by-state
basis in the final rule. The regulatory control periods addressed the
portion of the year when peak ozone concentrations were expected. These
regulations constituted Phase I of a two-phase nationwide program,
which was designed to reduce the volatility of gasoline during the high
ozone season. On June 11, 1990 (55 FR 23658), EPA promulgated more
stringent volatility controls as Phase II of the volatility control
program. These requirements established maximum gasoline RVP standards
of 9.0 psi or 7.8 psi (depending on the state, the month, and the
area's initial ozone attainment designation with respect to the 1-hour
ozone NAAQS).
The 1990 CAA Amendments established a new section 211(h) to address
fuel volatility. CAA section 211(h) requires EPA to promulgate
regulations making it unlawful to sell, offer for sale, dispense,
supply, offer for supply, transport, or introduce into commerce
gasoline with an RVP level in excess of 9.0 psi during the high ozone
season. CAA section 211(h) also prohibits EPA from establishing a
volatility standard more stringent than 9.0 psi in an attainment area,
except that EPA may impose a lower (more stringent) standard in any
former ozone nonattainment area redesignated to attainment.
On December 12, 1991 (56 FR 64704), EPA modified the Phase II
volatility regulations to be consistent with CAA section 211(h). The
modified regulations prohibited the sale of gasoline with an RVP above
9.0 psi in all areas designated attainment for ozone, effective January
13, 1992. For areas designated as nonattainment, the regulations
retained the original Phase II standards published on June 11, 1990 (55
FR 23658), which included the 7.8 psi ozone season limitation for
certain areas. As stated in the preamble to the Phase II volatility
controls and reiterated in the proposed change to the volatility
standards published in 1991, EPA will rely on states to initiate
changes to their respective volatility programs. EPA's policy for
approving such changes is described below in Section IV. of this
preamble.
The state of Louisiana initiated the change being finalized in this
action by requesting that EPA relax the 7.8 psi RVP standard to 9.0 psi
for the parishes of Beauregard, Calcasieu, Jefferson, Lafayette,
Lafourche, Orleans, Pointe Coupee, St. Bernard, St. Charles, St. James,
and St. Mary. See Section V. of this preamble for information specific
to Louisiana's request.
IV. EPA's Policy Regarding Relaxation of Gasoline Volatility Standards
in Ozone Nonattainment Areas That Are Redesignated as Attainment Areas
As stated in the preamble for EPA's amended Phase II volatility
standards (See 56 FR 64706, December 12, 1991), any change in the
gasoline volatility standard for a nonattainment area that was
subsequently redesignated as an attainment area must be accomplished
through a separate rulemaking that revises the applicable standard for
that area. Thus, for former 1-hour ozone nonattainment areas where EPA
mandated a Phase II summertime volatility standard of 7.8 psi RVP in
the December 12, 1991 rulemaking, the federal 7.8 psi gasoline RVP
requirement remains in effect, even after such an area is redesignated
to attainment, until a separate rulemaking is completed that relaxes
the federal RVP standard in that area from 7.8 psi to 9.0 psi.
As explained in the December 12, 1991 rulemaking, EPA believes that
relaxation of an applicable gasoline RVP standard is best accomplished
in conjunction with the redesignation process. In order for an ozone
nonattainment area to be redesignated as an attainment area, CAA
section 107(d)(3) requires the state to make a showing, pursuant to CAA
section 175A, that the area is capable of maintaining attainment for
the ozone NAAQS for ten years. Depending on the area's circumstances,
this maintenance plan will either demonstrate that the area is capable
of maintaining attainment for ten years without the more stringent
volatility standard or that the more stringent volatility standard may
be necessary for the area to maintain its attainment with the ozone
NAAQS. Therefore, in the context of a request for redesignation, EPA
will not relax the gasoline volatility standard unless the state
requests a relaxation and the maintenance plan demonstrates to the
satisfaction of EPA that the area will maintain attainment for ten
years without the need for the more stringent volatility standard.
As explained in the proposal to this final rule, some former 1-hour
ozone nonattainment areas that remain subject to the federal summertime
RVP limit of 7.8 psi have been designated as attainment areas for both
the 1997 and 2008 ozone NAAQS and based on the latest available air
quality data are also attaining the more stringent 2015 ozone NAAQS.
These states submitted, and EPA approved, CAA section 110(a)(1)
[[Page 60888]]
maintenance plans for these areas, as required by the Phase 1
implementation rule for the 1997 ozone NAAQS (69 FR 23951, April 30,
2004).
As further explained at proposal, EPA has concluded that there is
neither an implementation plan revision nor a CAA section 110(l)
demonstration required in order for EPA to approve a state's request to
relax the federal summertime gasoline RVP limit under the circumstances
described above for such areas as these 11 parishes. Rather, in order
for EPA to approve a request to relax the federal RVP limit for such
areas, the Governor or his/her designee must request that the
Administrator revise the federal gasoline RVP regulations to remove the
subject areas from the list of required areas in 40 CFR 80.27(a)(2).
The state may provide any relevant supporting information such as
recent air quality data, designation status for ozone and information
on previously approved ozone maintenance plans. The Administrator's
decision on whether to grant a state's request to revise the federal
gasoline RVP regulations in such cases would be documented through
notice-and-comment rulemaking. See the August 9, 2017 proposal for
further background (82 FR 37184).
V. Louisiana's Request To Relax the Federal Gasoline RVP Requirement
for Several Parishes
On April 10, 2017, LDEQ requested that EPA relax the current
federal gasoline RVP volatility standard of 7.8 psi to 9.0 psi for 16
Louisiana parishes, the 5 parishes of the Baton Rouge area, and 11
other parishes: Beauregard, Calcasieu, Jefferson, Lafayette, Lafourche,
Orleans, Pointe Coupee, St. Bernard, St. Charles, St. James, and St.
Mary. These other 11 parishes attained the 1-hour ozone NAAQS and were
redesignated to attainment with approved CAA section 175A maintenance
plans. They were then designated as attainment for the 1997 ozone
NAAQS. As such, the State was required by EPA's Phase 1 rule, which
implemented the 1997 ozone NAAQS, to submit CAA section 110(a)(1)
maintenance plans for these parishes that addressed the 10-year period
from 2004 to 2014. (See 69 FR 23951, April 30, 2004.) \2\ The Phase 1
implementation rule for the 1997 ozone NAAQS did not require Louisiana
to submit second 10-year CAA section 175A maintenance plans for the 1-
hour ozone NAAQS for these parishes. In 2012, all 11 parishes were
designated as attainment for the 2008 ozone NAAQS. Because they were
designated as attainment for both the 1997 and 2008 ozone NAAQS, they
were not required to submit a CAA section 110(a)(1) maintenance plan
for the 2008 ozone NAAQS. Therefore, as explained earlier above, these
parishes are no longer within the timeframe that was addressed by any
approved maintenance plan for any ozone NAAQS. The 11 parishes that are
the subject of this action are all attaining the more stringent 2015
ozone NAAQS, and the State did not recommend that any of these 11
parishes be designated as nonattainment for the 2015 ozone NAAQS.\3\
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\2\ For more information on Louisiana's CAA section 110(a)(1)
maintenance plans for the individual parishes under the 1997 ozone
NAAQS, please refer to the following Federal Register notices
approving the maintenance plans for the parishes listed
parenthetically after the citation: 72 FR 62579, November 6, 2007
(Beauregard and St. Mary Parishes); 73 FR 15411, March 24, 2008
(Lafayette and Lafourche Parishes); 78 FR 57058 September 17, 2008
(Pointe Coupee Parish); 73 FR 53403 September 16, 2008 (New Orleans
Parish); and 73 FR 59518 (Calcasieu and St. James Parishes).
\3\ On September 29, 2015, Louisiana submitted a letter to EPA
recommending designations for the 2015 ozone NAAQS. The State
recommended that all of the 11 parishes addressed in this action be
designated as unclassifiable/attainment. The letter is available at:
https://www.epa.gov/ozone-designations/ozone-designations-2015-standards-louisiana-state-recommendations.
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EPA's August 9, 2017 proposal included several pieces of
information that supports the State's request:
The current ozone design values for the parishes in
question, based upon 2013-2015 air quality data are well below the 2015
ozone NAAQS of 70 parts-per-billion (ppb). For more information on
current design values for the 11 parishes refer to Table 1 in the
August 9, 2017 proposal (82 FR 37186).
Moreover, the projections for VOC emissions (i.e., the
ozone precursor controlled through RVP limitations) from the previously
approved CAA section 110(a)(1) maintenance plans for the 1997 ozone
NAAQS for the areas covered by the State's request show relatively flat
or downward VOC emissions trends through 2014. For more information on
trends in VOC emissions in the 11 parishes refer to Table 2 in the
August 9, 2017 notice of proposed rulemaking (82 FR 37187).
There are also national rules that result in VOC and/or
NOx emission reductions that will contribute to the downward trend in
ozone concentrations in the 11 parishes into the future. See EPA's
August 9, 2017 proposal for further information (82 FR 37184).
VI. Response to Comments
EPA received four comments on its August 9, 2017 (82 FR 37184)
proposal to relax the gasoline RVP standard from 7.8 psi to 9.0 psi.
EPA found that these comments were either supportive of the proposed
change or fell outside the scope of this action as discussed further
below.
Comment: An organization representing the Louisiana oil and gas
industry provided comments in support of the proposed relaxation of
summertime gasoline RVP from 7.8 to 9.0 psi.
Response: EPA acknowledges that the commenter supported the
proposal.
Comment: EPA received two sets of comments that were not related to
any of the issues addressed in the proposal, while a third expressed
general disagreement with relaxing any environmental regulations for
any reason without addressing the specific issue of the subject RVP
relaxation.
Response: Regarding the generic objection to the relaxation of
environmental regulations, EPA deemed this outside the scope of the
proposal because it did not address EPA's conclusion that approving the
proposed relaxation would not adversely impact air quality in the
covered areas, nor would it interfere with those areas' ability to meet
any other applicable NAAQS. As discussed above and in the proposal, EPA
has concluded based on current air quality data and available VOC and
NOx emissions information that the RVP relaxation will not have any
appreciable effect on air quality in the 11 parishes, and therefore,
the requested relaxation is approvable.
VII. Final Action
EPA is taking final action to approve Louisiana's request for the
Agency to relax the RVP applicable to gasoline introduced into commerce
from June 1 to September 15 of each year for the parishes of
Beauregard, Calcasieu, Jefferson, Lafayette, Lafourche, Orleans, Pointe
Coupee, St. Bernard, St. Charles, St. James, and St. Mary.
Specifically, this action amends the applicable gasoline RVP standard
from 7.8 psi to 9.0 psi provided at 40 CFR 80.27(a)(2) for the 11 named
parishes. This approval is based on the redesignation of the named
areas to attainment of the 1-hour ozone NAAQS and their designation as
attainment for the 1997 and 2008 ozone NAAQS. Additionally, recent air
quality data from monitors in the parishes demonstrates that they are
attaining the 2015 ozone NAAQS of 70 ppb. Lastly, emission reductions
from national rules aimed at reducing VOCs and NOx that were not
previously claimed or accounted for in the State's projection of air
quality trends for its maintenance plans will ensure
[[Page 60889]]
continued attainment of the 2015 ozone NAAQS.
VIII. Statutory and Executive Order Reviews
A. Executive Order 12866: Regulatory Planning and Review and Executive
Order 13563: Improving Regulation and Regulatory Review
This action is not a significant regulatory action and was
therefore not submitted to the Office of Management and Budget (OMB)
for review.
B. Executive Order 13771: Reducing Regulation and Controlling
Regulatory Costs
This action is considered an Executive Order 13771 deregulatory
action. This final rule provides meaningful burden reduction because it
relaxes the federal RVP standard for gasoline, and as a result, fuel
suppliers will no longer be required to provide 7.8 psi lower RVP
gasoline in the 11 parishes during the summer months (June 1st through
September 15th). Relaxing the volatility requirements will also be
beneficial because this action can improve the fungibility of gasoline
sold in the State of Louisiana by allowing the gasoline sold in the 11
named parishes to be identical to the fuel sold in most of the
remainder of the State.
C. Paperwork Reduction Act (PRA)
This action does not impose an information collection burden under
PRA, because it does not contain any information collection activities.
D. Regulatory Flexibility Act (RFA)
I certify that this action will not have a significant economic
impact on a substantial number of small entities under the RFA. In
making this determination, the impact of concern is any significant
adverse economic impact on small entities. An agency may certify that a
rule will not have a significant economic impact on a substantial
number of small entities if the rule relieves regulatory burden, has no
net burden or otherwise has a positive economic effect on the small
entities subject to the rule. The small entities subject to the
requirements of this action are refiners, importers or blenders of
gasoline that choose to produce or import low RVP gasoline for sale in
Louisiana and gasoline distributers and retail stations in Louisiana.
This action relaxes the federal RVP standard for gasoline sold in 11
Louisiana parishes during the high ozone season. This rule does not
impose any requirements or create impacts on small entities beyond
those, if any, already required by or resulting from the CAA section
211(h) Volatility Control program. We have therefore concluded that
this action will have no net regulatory burden for all directly
regulated small entities.
E. Unfunded Mandates Reform Act (UMRA)
This final rule does not contain an unfunded mandate of $100
million or more as described in UMRA, 2 U.S.C. 1531-1538, and does not
significantly or uniquely affect small governments. The action
implements mandates specifically and explicitly set forth in CAA
section 211(h) without the exercise of any policy discretion by the
EPA.
F. Executive Order 13132: Federalism
This action does not have federalism implications. It will not have
substantial direct effects on the states, on the relationship between
the national government and the states, or on the distribution of power
and responsibilities among the various levels of government.
G. Executive Order 13175: Consultation and Coordination With Indian
Tribal Governments
This action does not have tribal implications as specified in
Executive Order 13175. This final rule will affect only those refiners,
importers or blenders of gasoline that choose to produce or import low
RVP gasoline for sale and gasoline distributers and retail stations in
the 11 Louisiana parishes. Thus, Executive Order 13175 does not apply
to this action.
H. Executive Order 13045: Protection of Children From Environmental
Health Risks and Safety Risks
The EPA interprets Executive Order 13045 as applying only to those
regulatory actions that concern environmental health or safety risks
that the EPA has reason to believe may disproportionately affect
children, per the definition of ``covered regulatory action'' in
section 2-202 of the Executive Order. This action is not subject to
Executive Order 13045 because it does not concern an environmental
health risk or safety risk. EPA has no reason to believe that this
action may disproportionately affect children based on available ozone
air quality data and VOC and NOX emissions information. EPA
has concluded that a relaxation of the gasoline RVP will not interfere
with the attainment of the ozone NAAQS, or any other applicable CAA
requirement in these 11 Louisiana parishes.
I. Executive Order 13211: Actions Concerning Regulations That
Significantly Affect Energy Supply, Distribution or Use
This action is not subject to Executive Order 13211 because it is
not a significant regulatory action under Executive Order 12866.
J. National Technology Transfer and Advancement Act (NTTAA)
This rulemaking does not involve technical standards.
K. Executive Order 12898: Federal Actions To Address Environmental
Justice in Minority Populations and Low-Income Populations
The EPA believes that this action does not have disproportionately
high and adverse human health or environmental effects on minority
populations, low-income populations and/or indigenous peoples, as
specified in Executive Order 12898 (59 FR 7629, February 16, 1994)
because it does not affect the applicable ozone NAAQS which establish
the level of protection provided to human health or the environment.
This rule relaxes the applicable volatility standard of gasoline during
the high ozone season (June 1 to September 15 of each year). EPA has
concluded that the relaxation will not cause a measurable increase in
ozone concentrations that would result in a violation of any ozone
NAAQS including the 2008 ozone NAAQS or the more stringent 2015 ozone
NAAQS. Therefore, disproportionately high and adverse human health or
environmental effects on minority or low-income populations are not an
anticipated result.
L. Congressional Review Act (CRA)
This action is subject to the CRA, and the EPA will submit a rule
report to each House of the Congress and to the Comptroller of the
United States. This action is not a ``major rule'' as defined by 5
U.S.C. 804(2).
M. Petitions for Judicial Review
Under section 307(b)(1) of the CAA, petitions for judicial review
of this action must be filed in the United States Court of Appeals for
the appropriate circuit by February 26, 2018. Filing a petition for
reconsideration by the Administrator of this final rule does not affect
the finality of this action for the purposes of judicial review nor
does it extend the time within which a petition for judicial review may
be filed, and shall not postpone the effectiveness of such rule or
action. This action may not be challenged later in proceedings to
enforce its requirements. See CAA section 307(b)(2).
[[Page 60890]]
IX. Legal Authority and Statutory Provisions
The statutory authority for this action is granted to EPA by
sections 211(h) and 301(a) of the Clean Air Act, as amended; 42 U.S.C.
7545(h) and 7601(a).
List of Subjects in 40 CFR Part 80
Environmental protection, Administrative practice and procedure,
Air pollution control, Fuel additives, Gasoline, Motor vehicle and
motor vehicle engines, Motor vehicle pollution, Penalties, Reporting
and recordkeeping requirements.
Dated: December 15, 2017.
E. Scott Pruitt,
Administrator.
For the reasons set out in the preamble, title 40, chapter I of the
Code of Federal Regulations is amended as follows:
PART 80--REGULATION OF FUELS AND FUEL ADDITIVES
0
1. The authority citation for part 80 continues to read as follows:
Authority: 42 U.S.C. 7414, 7521, 7542, 7545, and 7601(a).
0
2. Section 80.27 is amended in the table in paragraph (a)(2)(ii) by
revising the entries for ``Louisiana'' to read as follows:
Sec. 80.27 Controls and prohibitions on gasoline volatility.
(a) * * *
(2) * * *
(ii) * * *
Applicable Standards \1\ 1992 and Subsequent Years
----------------------------------------------------------------------------------------------------------------
State May June July August September
----------------------------------------------------------------------------------------------------------------
* * * * * * *
Louisiana:
Grant Parish \4\............ 9.0 9.0 9.0 .............. 9.0
11 Other Louisiana Parishes 9.0 9.0 9.0 .............. 9.0
\11\.......................
All other volatility 9.0 7.8 7.8 .............. 7.8
nonattainment areas........
* * * * * * *
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\1\ Standards are expressed in pounds per square inch (psi).
* * * * * * *
\4\ The standard for Grant Parish from June 1 until September 15 in 1992 through 2007 was 7.8 psi.
* * * * * * *
\11\ The standard for the Louisiana parishes of Beauregard, Calcasieu, Jefferson, Lafayette, Lafourche, Orleans,
Pointe Coupee, St. Bernard, St. Charles, St. James, and St. Mary from June 1 until September 15 in 1992
through 2017 was 7.8 psi.
* * * * *
[FR Doc. 2017-27628 Filed 12-22-17; 8:45 am]
BILLING CODE 6560-50-P