[Federal Register Volume 72, Number 231 (Monday, December 3, 2007)]
[Rules and Regulations]
[Pages 67854-67858]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E7-23246]
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ENVIRONMENTAL PROTECTION AGENCY
40 CFR Part 52
[EPA-R01-OAR-2007-0401; FRL-8496-6]
Approval and Promulgation of Air Quality Implementation Plans;
Massachusetts; State Implementation Plan Revision To Implement the
Clean Air Interstate Rule
AGENCY: Environmental Protection Agency (EPA).
ACTION: Final rule.
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SUMMARY: EPA is approving a State Implementation Plan (SIP) revision
submitted by the State of Massachusetts on March 30, 2007. This
revision addresses the requirements of EPA's Clean Air Interstate Rule
(CAIR), promulgated on May 12, 2005 and subsequently revised on April
28, 2006 and December 13, 2006. EPA has determined that the SIP
revision fully implements the CAIR requirements for Massachusetts.
Therefore, as a consequence of the SIP approval, the Administrator of
EPA will also, in a separate document, issue a final rule to withdraw
the Federal Implementation Plan (FIP) concerning NOX ozone-
season emissions for Massachusetts.
In the SIP revision that EPA is approving, Massachusetts will meet
CAIR requirements by participating in the EPA-administered cap-and-
trade program addressing NOX ozone-season emissions.
Massachusetts's SIP revision is based on EPA's model CAIR
NOX ozone season rule and is, in most respects,
substantively identical to that model rule. The Massachusetts CAIR
program has two major substantive differences from that model rule
(expanded applicability, and a different methodology for allocating
NOX allowances), both of which are consistent with the
flexibility allowed under CAIR for state participation in the EPA-
administered cap-and-trade program. The SIP revision complies with the
statutory and regulatory requirements for approval of a CAIR
NOX ozone-season program. This action is being taken in
accordance with the Clean Air Act.
EFFECTIVE DATE: This rule is effective on December 3, 2007.
ADDRESSES: EPA has established a docket for this action under Docket
Identification No. EPA-R01-OAR-2007-0401. All documents in the docket
are listed on the http://www.regulations.gov Web site. Although listed
in the index, some information may not be publicly available, i.e., 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 either electronically
through http://www.regulations.gov or in hard copy at the Office of
Ecosystem Protection, U.S. Environmental Protection Agency, EPA New
England Regional Office, One Congress Street, Suite 1100, Boston, MA.
EPA requests that if at all possible, you contact the contact listed in
the FOR FURTHER INFORMATION CONTACT section to schedule your
inspection. The Regional Office's official hours of business are Monday
through Friday, 8:30 a.m. to 4:30 p.m., excluding legal holidays.
Copies of the documents relevant to this action are also available
for public inspection during normal business hours, by appointment at
Division of Air Quality Control, Department of Environmental
Protection, One Winter Street, 8th Floor, Boston, MA 02108.
FOR FURTHER INFORMATION CONTACT: If you have questions concerning
today's action, please contact Alison C. Simcox, Air Quality Planning
Unit, U.S. Environmental Protection Agency, EPA New England Regional
Office, One Congress Street, Suite 1100 (CAQ), Boston, MA 02114-2023,
telephone number (617) 918-1684, fax number (617) 918-0684, e-mail
[email protected].
SUPPLEMENTARY INFORMATION:
Table of Contents
I. What Action Is EPA Taking?
II. What Is the Regulatory History and General Requirements of CAIR
and the CAIR FIPs?
III. EPA Analysis of Massachusetts's CAIR SIP Submittal
A. State Budgets for Allowance Allocations
B. CAIR Cap-and-Trade Programs
C. Applicability Provisions for Non-EGU NOX SIP Call
Sources
D. NOX Allowance Allocations
E. Individual Opt-in Units
IV. Final Action.
V. When Is This Action Effective?
VI. Statutory and Executive Order Reviews.
I. What Action Is EPA Taking?
EPA is approving a revision to Massachusetts's SIP, submitted on
March 30, 2007. This SIP revision includes a new regulation, 310 CMR
7.32, ``Massachusetts Clean Air Interstate Rule,'' and amendments to
existing regulation 310 CMR 7.28, ``NOX Allowance Trading
Program.'' In its SIP revision, Massachusetts will meet CAIR
requirements by requiring certain electric generating units (EGUs) to
participate in the EPA-administered State CAIR cap-and-trade program
addressing NOX ozone-season emissions. EPA has determined
that the Massachusetts SIP as revised meets the applicable requirements
of CAIR. On August 1, 2007, EPA proposed approval of the Massachusetts
SIP (see 72 FR 41970). No public comments were received on EPA's notice
of proposed rulemaking (NPR).
As a consequence of the SIP approval, the Administrator of EPA will
also, in a separate document, issue a final rule to withdraw the FIP
concerning NOX ozone-season emissions for Massachusetts.
That action will delete and reserve 40 CFR 52.1140. The withdrawal of
the CAIR FIP for Massachusetts is a conforming amendment that must be
made once the
[[Page 67855]]
SIP is approved because EPA's authority to issue the FIP was premised
on a deficiency in the SIP for Massachusetts. Once the SIP is fully
approved, EPA no longer has authority for the FIP. Thus, EPA will not
have the option of maintaining the FIP following the full SIP approval.
Accordingly, EPA does not intend to offer an opportunity for a public
hearing or an additional opportunity for written public comment on the
withdrawal of the FIP.
II. What Is the Regulatory History and General Requirements of CAIR and
the CAIR FIPs?
The Clean Air Interstate Rule (CAIR) was published by EPA on May
12, 2005 (70 FR 25162). In this rule, EPA determined that 28 States and
the District of Columbia contribute significantly to nonattainment and
interfere with maintenance of the national ambient air quality
standards (NAAQS) for fine particles (PM2.5) and/or 8-hour
ozone in downwind States in the eastern part of the country. As a
result, EPA required those upwind States to revise their SIPs to
include control measures that reduce emissions of SO2, which
is a precursor to PM2.5 formation, and/or NOX,
which is a precursor to both ozone and PM2.5 formation. For
jurisdictions that contribute significantly to downwind
PM2.5 nonattainment, CAIR sets annual State-wide emission
reduction requirements (i.e., budgets) for SO2 and annual
State-wide emission reduction requirements for NOX.
Similarly, for jurisdictions that contribute significantly to 8-hour
ozone nonattainment, CAIR sets State-wide emission reduction
requirements for NOX for the ozone season (May 1st to
September 30th). Under CAIR, States may implement these reduction
requirements by participating in the EPA-administered cap-and-trade
programs or by adopting other control measures. The first phase of
NOX reductions starts in 2009 and continues through 2014,
while the first phase of SO2 reductions starts in 2010 and
continues through 2014. The second phase of reductions for both
NOX and SO2 starts in 2015 and continues
thereafter.
More information on the regulatory history and requirements of CAIR
and the CAIR FIPs is available in the NPR for this SIP Revision and
will not be restated here.
III. EPA Analysis of Massachusetts's CAIR SIP Submittal
A brief summary of EPA's review of Massachusetts's CAIR program is
given below. Additional details regarding requirements of
Massachusetts's 310 CMR 7.32 regulation and EPA's evaluation of this
regulation are detailed in a memorandum dated July 16, 2007, entitled
``Technical Support Document (TSD) for revisions to the Massachusetts
SIP: 310 CMR 7.32 (`Massachusetts Clean Air Interstate Rule')'' and in
the NPR for this SIP revision. The TSD and Massachusetts's CAIR SIP
submittal are available in the docket supporting this action.
A. State Budgets for Allowance Allocations
The CAIR NOX annual and ozone season budgets were
developed from historical heat input data for EGUs. Using these data,
EPA calculated annual and ozone season regional heat input values,
which were multiplied by 0.15 pounds per million British thermal units
(lb/mmBtu), for phase 1 of the CAIR program (2009-2014) and by 0.125
lb/mmBtu, for phase 2 of the CAIR program (2015 and thereafter) to
obtain regional NOX budgets for 2009-2014 and for 2015 and
thereafter, respectively. EPA derived the State NOX annual
and ozone season budgets from the regional budgets using State heat
input data adjusted by fuel factors. Massachusetts, however, is only
required to participate in the CAIR NOX ozone-season
program, not the CAIR NOX annual or SO2 trading
programs. Therefore, only CAIR NOX ozone-season budgets
apply to the Massachusetts CAIR program.
In today's action, EPA is approving Massachusetts's SIP revision of
310 CMR 7.32. This SIP revision adopts the budgets established for the
State in CAIR, i.e., 7,551 tons of NOX ozone-season
emissions for CAIR phase 1 and 6,293 tons for CAIR phase 2, plus an
additional 363 tons of NOX ozone-season emissions for both
phases 1 and 2 to account for NOX emissions from ``non-EGU''
units from the Massachusetts NOX SIP Call trading program
(see section III C below). The total NOX ozone-season budget
is therefore 7,914 tons of NOX ozone-season emissions for
CAIR phase 1 and 6,656 tons for CAIR phase 2. Massachusetts's SIP
revision sets this budget as the total number of allowances (with each
allowance authorizing one ton of NOX ozone-season emissions)
available for allocation for each year under the EPA-administered CAIR
cap-and-trade program.
B. CAIR Cap-and-Trade Programs
The CAIR NOX annual and ozone-season model trading rules
both largely mirror the structure of the NOX SIP Call model
trading rule in 40 CFR part 96, subparts A through I. While the
provisions of the NOX annual and ozone-season model rules
are similar, there are some differences. For example, the
NOX ozone season model rule reflects the fact that the CAIR
NOX ozone season trading program replaces the NOX
SIP Call trading program after the 2008 ozone season and is coordinated
with the NOX SIP Call program. The NOX ozone
season model rule provides incentives for early emissions reductions by
allowing banked, pre-2009 NOX SIP Call allowances to be used
for compliance in the CAIR NOX ozone-season trading program.
In addition, States have the option of continuing to meet their
NOX SIP Call requirement by participating in the CAIR
NOX ozone season trading program and including all their
NOX SIP Call trading sources in that program.
In the SIP revision, Massachusetts will implement its CAIR budgets
by requiring EGUs (as well as ``non-EGUs'' from its NOX SIP
Call trading program, as discussed below) to participate in EPA-
administered cap-and-trade programs for NOX ozone-season
emissions. Massachusetts has adopted a full SIP revision that adopts,
with certain allowed changes discussed below, the CAIR model cap-and-
trade rules for NOX ozone-season emissions.
C. Applicability Provisions for Non-EGU NOX SIP Call Sources
In general, the CAIR model trading rules apply to any stationary,
fossil-fuel-fired boiler or stationary, fossil-fuel-fired combustion
turbine serving at any time, since the later of November 15, 1990 or
the start-up of the unit's combustion chamber, a generator with
nameplate capacity of more than 25 MWe producing electricity for sale.
States have the option of bringing in, for the CAIR NOX
ozone-season program only, those units in the State's NOX
SIP Call trading program that are not EGUs as defined under CAIR
(herein called ``non-EGUs''). Under this option, the CAIR
NOX ozone-season program must cover all large industrial
boilers and combustion turbines, as well as any small EGUs (i.e. units
serving a generator with a nameplate capacity of 25 MWe or less) that
the State currently requires to be in the NOX SIP Call
trading program.
Massachusetts has chosen to expand the applicability provisions of
the CAIR NOX ozone season trading program to include all
units in the State's NOX SIP Call trading program. Units in
the Massachusetts NOX SIP Call trading program include units
that burn more than 50-percent fossil fuel and that have
[[Page 67856]]
a maximum heat-input capacity of 250 million British thermal units
(MMBtu) or more, or serve a generator with a nameplate capacity of 15
MWe or more. These units are included in the Massachusetts
NOX SIP Call trading program whether or not they produce
electricity for sale, and will be included in the Massachusetts CAIR
program beginning with the control period in 2009. EPA has determined
that Massachusetts 310 CMR 7.32 includes the allowable CAIR
applicability provisions relating to adding all NOX SIP Call
trading program units to the Massachusetts CAIR NOX ozone
season program.
D. NOX Allowance Allocations
Under the NOX allowance-allocation methodology in the
CAIR model trading rules and in the CAIR FIP, NOX annual and
ozone-season allowances are allocated to units that have operated for
five years (i.e., ``existing units''), based on heat input data from a
three-year period that are adjusted for fuel type by using fuel factors
of 1.0 for coal, 0.6 for oil, and 0.4 for other fuels. The CAIR model
trading rules and the CAIR FIP also provide a new unit set-aside from
which units without five years of operation are allocated allowances
based on the units' prior year emissions.
States may establish in their SIP submissions a different
NOX allowance-allocation methodology that will be used to
allocate allowances to sources in the States if certain requirements
are met concerning the timing of submission of units' allocations to
the Administrator for recordation and the total amount of allowances
allocated for each control period. In adopting alternative
NOX allowance-allocation methodologies, States have
flexibility with regard to:
1. The cost to recipients of the allowances, which may be
distributed for free or auctioned;
2. The frequency of allocations;
3. The basis for allocating allowances, which may be distributed,
for example, based on historical heat input or electric and thermal
output; and
4. The use of allowance set-asides and, if used, their size.
Massachusetts has chosen to replace the provisions of the CAIR
NOX ozone-season model trading rule concerning allowance
allocations with its own methodology. Massachusetts's CAIR program
codified at 310 CMR 7.32 distributes NOX ozone-season
allowances based upon historical electric and thermal output, rather
than heat input. Massachusetts also provides a percentage of allowances
for Public Benefit and new unit set-asides.
Massachusetts's CAIR program includes both a Public Benefit set-
aside (PBSA) to encourage Energy Efficiency Projects (EEPs) and
Renewable Energy Projects (REPs), and a new unit set-aside to allow for
addition of new units. Both of these types of set-asides were included
in the State's NOX SIP Call trading program.
Massachusetts has set a new unit set-aside at 5 percent of the
State's CAIR budget for both phases of the CAIR program. Therefore, the
new unit set-aside includes 396 CAIR NOX ozone-season
allowances during CAIR phase 1 (2009-2014), and 333 allowances during
CAIR phase 2 (2015 and thereafter). Massachusetts has set a PBSA at 10
percent of the State's CAIR budget for both phases of the CAIR program.
Therefore, the PBSA includes 791 CAIR NOX ozone-season
allowances during CAIR phase 1 (2009-2014), and 666 allowances during
CAIR phase 2 (2015 and thereafter). Information on the Banking and
Transferring of Set-Asides in the Massachusetts CAIR program is
available in the NPR and will not be restated here.
Massachusetts has chosen to replace the provisions of the CAIR
NOX ozone-season model trading rule concerning allowance
allocations with a methodology similar to that used in the
Massachusetts NOX SIP Call trading program. This
methodology, which is based on energy output, allocates allowances to
existing units and, to the extent possible, to new units based on their
steam and/or electricity output. More details on Massachusetts's
methodology for allocating CAIR allowances, as well as information on
Massachusetts CAIR permits and requirements for facilities to report
emissions data, can be found in the TSD and the NPR and will not be
restated here.
E. Individual Opt-in Units
The Massachusetts CAIR SIP does not include opt-in provisions
because the State has chosen to allocate CAIR allowances using an
energy-output methodology that cannot be used for opt-in sources under
the model CAIR NOX ozone-season trading rule. The
Massachusetts NOX SIP Call trading program (310 CMR 7.28),
however, does allow for opt-in sources (although no sources have opted
into this program to date). Therefore, sources that wish to be part of
the Massachusetts CAIR program can take advantage of the opt-in
provisions of the State's NOX SIP Call program until the end
of 2008. Beginning with the 2009 ozone season, the NOX SIP
Call program will be replaced by the State's CAIR Program, and no
further opt-in units will be allowed.
IV. Final Action
EPA is approving state regulations 310 CMR 7.32 (``Massachusetts
CAIR'') and amendments to 310 CMR 7.28 (``NOX Allocation
Trading Program'') as a revision to the Massachusetts SIP. Under this
SIP revision, Massachusetts will participate in the EPA-administered
cap-and-trade program for NOX ozone-season emissions. The
SIP revision meets the applicable requirements in 40 CFR 51.123(o) and
(aa), with regard to NOX ozone season emissions. EPA has
determined that the SIP as revised meets the requirements of CAIR. As a
consequence of the SIP approval, the Administrator of EPA will also
issue, without providing an opportunity for a public hearing or an
additional opportunity for written public comment, a final rule to
withdraw the CAIR FIP concerning NOX ozone-season emissions
for Massachusetts. That action will delete and reserve 40 CFR 52.1140
in Part 52.
V. When Is This Action Effective?
EPA finds that there is good cause for this approval to become
effective on the date of publication of this action in the Federal
Register, because a delayed effective date is unnecessary due to the
nature of the approval, which allows the State to make allocations
under its CAIR rules. The expedited effective date for this action is
authorized under both 5 U.S.C. 553(d)(1), which provides that rule
actions may become effective less than 30 days after publication if the
rule ''grants or recognizes an exemption or relieves a restriction''
and 5 U.S.C. 553(d)(3), which allows an effective date less than 30
days after publication ''as otherwise provided by the agency for good
cause found and published with the rule.'' CAIR SIP approvals exempt
states and CAIR sources within states from being subject to allowance
allocation provisions in the CAIR FIPs that otherwise would apply,
allowing States to make their own allowance allocations based on their
SIP-approved State rule. The exemption from these obligations is
sufficient reason to allow an expedited effective date of this rule
under 5 U.S.C. 553(d)(1). In addition, Massachusetts's exemption from
these obligations provides good cause to make this rule effective on
the date of publication of this action in the Federal Register,
pursuant to 5 U.S.C. 553(d)(3). The purpose of the 30-day waiting
period prescribed in 5 U.S.C. 553(d) is to give affected parties a
reasonable time to adjust their behavior and prepare before the final
rule takes effect. Where,
[[Page 67857]]
as here, the final rule grants an exemption rather than imposing
obligations, and where the effect of the final rule is simply to
approve for Federal purposes obligations that are already effective
under state law, affected parties, such as the State of Massachusetts
and CAIR sources within the State, do not need time to adjust and
prepare before the rule takes effect.
VI. Statutory and Executive Order Reviews
Under Executive Order 12866 (58 FR 51735, October 4, 1993), this
action is not a ``significant regulatory action'' and therefore is not
subject to review by the Office of Management and Budget. For this
reason, this action is also not subject to Executive Order 13211,
``Actions Concerning Regulations That Significantly Affect Energy
Supply, Distribution, or Use'' (66 FR 28355, May 22, 2001). This action
merely approves state law as meeting Federal requirements and imposes
no additional requirements beyond those imposed by state law.
Accordingly, the Administrator certifies that this rule will not have a
significant economic impact on a substantial number of small entities
under the Regulatory Flexibility Act (5 U.S.C. 601 et seq.). Because
this rule approves pre-existing requirements under state law and does
not impose any additional enforceable duty beyond that required by
state law, it does not contain any unfunded mandate or significantly or
uniquely affect small governments, as described in the Unfunded
Mandates Reform Act of 1995 (Public Law 104-4).
This rule also does not have tribal implications because it will
not have a substantial direct effect on one or more Indian tribes, on
the relationship between the Federal Government and Indian tribes, or
on the distribution of power and responsibilities between the Federal
Government and Indian tribes, as specified by Executive Order 13175 (65
FR 67249, November 9, 2000). This action also does not have Federalism
implications because it does 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, as specified in Executive Order 13132 (64
FR 43255, August 10, 1999), because it merely approves a state rule
implementing a federal standard, and does not alter the relationship or
the distribution of power and responsibilities established in the Clean
Air Act. This rule also is not subject to Executive Order 13045
``Protection of Children from Environmental Health Risks and Safety
Risks'' (62 FR 19885, April 23, 1997), because it approves a state rule
implementing a Federal standard.
In reviewing SIP submissions, EPA's role is to approve state
choices, provided that they meet the criteria of the Clean Air Act. In
this context, in the absence of a prior existing requirement for the
State to use voluntary consensus standards (VCS), EPA has no authority
to disapprove a SIP submission for failure to use VCS. It would thus be
inconsistent with applicable law for EPA, when it reviews a SIP
submission, to use VCS in place of a SIP submission that otherwise
satisfies the provisions of the Clean Air Act. Thus, the requirements
of section 12(d) of the National Technology Transfer and Advancement
Act of 1995 (15 U.S.C. 272 note) do not apply. This rule does not
impose an information collection burden under the provisions of the
Paperwork Reduction Act of 1995 (44 U.S.C. 3501 et seq.).
The Congressional Review Act, 5 U.S.C. section 801 et seq., as
added by the Small Business Regulatory Enforcement Fairness Act of
1996, generally provides that before a rule may take effect, the agency
promulgating the rule must submit a rule report, which includes a copy
of the rule, to each House of the Congress and to the Comptroller
General of the United States. EPA will submit a report containing this
rule and other required information to the U.S. Senate, the U.S. House
of Representatives, and the Comptroller General of the United States
prior to publication of the rule in the Federal Register. A major rule
cannot take effect until 60 days after it is published in the Federal
Register. This action is not a ``major rule'' as defined by 5 U.S.C.
section 804(2).
Under section 307(b)(1) of the Clean Air Act, petitions for
judicial review of this action must be filed in the United States Court
of Appeals for the appropriate circuit by February 1, 2008. Filing a
petition for reconsideration by the Administrator of this final rule
does not affect the finality of this rule 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 section 307(b)(2).)
List of Subjects in 40 CFR Part 52
Environmental protection, Air pollution control, Electric
utilities, Incorporation by reference, Intergovernmental relations,
Nitrogen oxides, Ozone, Particulate matter, Reporting and recordkeeping
requirements, Sulfur dioxide.
Dated: November 5, 2007.
Robert W. Varney,
Regional Administrator, EPA New England.
0
Part 52 of chapter I, title 40 of the Code of Federal Regulations is
amended as follows:
PART 52--[AMENDED]
0
1. The authority citation for part 52 continues to read as follows:
Authority: 42 U.S.C. 7401 et seq.
Subpart W--Massachusetts
0
2. Section 52.1120 is amended by adding and reserving paragraphs
(c)(133) and (c)(134) and by adding paragraph (c)(135) to read as
follows:
Sec. 52.1120 Identification of plan.
* * * * *
(c) * * *
(133) [Reserved]
(134) [Reserved]
(135) Revisions to the State Implementation Plan submitted by the
Massachusetts Department of Environmental Protection on March 30, 2007.
(i) Incorporation by reference.
(A) 310 CMR 7.32 entitled ``Massachusetts Clean Air Interstate Rule
(Mass CAIR),'' effective in the Commonwealth of Massachusetts on May 4,
2007.
(B) Amendments to 310 CMR 7.28 entitled ``NOX Allowance
Trading Program,'' effective in the Commonwealth of Massachusetts on
May 4, 2007.
(C) Massachusetts Regulation Filing, dated April 19, 2007, amending
310 CMR 7.28 entitled ``NOX Allowance Trading Program,'' and
adopting 310 CMR 7.32 entitled ``Massachusetts Clean Air Interstate
Rule (Mass CAIR).''
0
3. In Sec. 52.1167, Table 52.1167 is amended by adding two new entries
to existing state citation for 310 CMR 7.28; and by adding a new state
citation and entry for 310 CMR 7.32 in numerical order to read as
follows:
Sec. 52.1167 EPA-approved Massachusetts State regulations.
* * * * *
[[Page 67858]]
Table 52.1167.--EPA-Approved Rules and Regulations
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Date Date
State citation Title/subject submitted approved by Federal Register 52.1120(c) Comments/unapproved
by State EPA citation sections
--------------------------------------------------------------------------------------------------------------------------------------------------------
* * * * * * *
310 CMR 7.28........................ NOX Allowance Trading 03/30/07 [12/3/07] [Insert Federal 135 ...........................
Program. Register page number
where the document
begins].
...................... 03/30/07 [12/3/07] [Insert Federal 135 Massachusetts Regulation
Register page number Filing, dated April 19,
where the document 2007, substantiating May
begins]. 4, 2007, State effective
date for amended 310 CMR
7.28 ``NOX Allowance
Trading Program.''
* * * * * * *
310 CMR 7.32........................ Massachusetts Clean 03/30/07 [12/3/07] [Insert Federal 135 ...........................
Air Interstate Rule Register page number
(Mass CAIR). where the document
begins].
...................... 03/30/07 [12/3/07] [Insert Federal 135 Massachusetts Regulation
Register page number Filing, dated April 19,
where the document 2007, substantiating May
begins]. 4, 2007, State effective
date for adopted 310 CMR
7.32 ``Massachusetts Clean
Air Interstate Rule (Mass
CAIR).''
* * * * * * *
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Notes:
1. This table lists regulations adopted as of 1972. It does not depict regulatory requirements which may have been part of the Federal SIP before this
date.
2. The regulations are effective statewide unless otherwise stated in comments or title section.
[FR Doc. E7-23246 Filed 11-30-07; 8:45 am]
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