ALL4 teamed up with Thompson Hine in order to give a presentation about the regulations regarding period of startup, shutdown, and malfunction (SSM) at facilities. There have been many changes regarding these periods, and requires a close watch moving forward. Please check out the corresponding webinar at http://www.all4inc.com/the-future-of-startup-shutdown-and-malfunction.
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The Future of Startup, Shutdown, and Malfunction
1. The Future of Startup,
Shutdown, and
Malfunction
April 16, 2014
@ALL4INC @ThompsonHine #SSMFuture
2. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 2
Origin & Implementation of Startup, Shutdown, and
Malfunction (SSM) Exemption Provisions
MACT SSM Litigation
Operating Permit SSM Considerations
Future Implications
Facility SSM Action Items
Regulatory and Judicial “Hot Topics”
Agenda
3. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 3
Origin & Implementation of Startup, Shutdown,
and Malfunction (SSM) Exemption Provisions
Mark Wenclawiak – ALL4
4. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 4
Regulatory programs of focus for excess emissions (EE)
during SSM events
– State Implementation Plans (SIPs)
– New Source Performance Standards (NSPS; 40 CFR Part 60)
– National Emission Standards for Hazardous Air Pollutants
(NESHAPs; 40 CFR Parts 61 and 63)
Origin & Implementation of SSM Exemptions
5. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 5
EE provisions were part of original SIPs approved in
early 1970s
1978 EE policy disallowed automatic exemptions;
provided states with enforcement discretion approach
1982 EE policy (Kathleen Bennett) reiterates 1978 policy
Origin & Implementation – SIPs
6. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 6
1983 EE policy (Kathleen Bennett) clarifies 1982 policy,
specifically concerning periods of startup and shutdown
– Startup and shutdown are part of normal operation
– Bypass of control device may not be a violation
1993 U.S. EPA memorandum (John Rasnic) addressed
automatic exemptions under PSD
– Not allowed (in line with 1982 policy)
– Contrasts with NSPS (technology based standards)
Origin & Implementation – SIPs
7. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 7
1999 EE policy (Steven Herman) reaffirms and
supplements 1982 policy, and clarifies issues of
interpretation that have arisen
– EE provisions states may incorporate into SIPs
– Beyond “enforcement discretion” approach and affirmative
defense
– EE that occur during startup and shutdown should be addressed
Origin & Implementation – SIPs
8. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 8
December 14, 2004 U.S. District Court for the Northern
District of Georgia
– More than half of states have similar SIP provisions, questioning
the basis of the SIP process in general
2011 Sierra Club petition
– U.S. EPA February 2013 SIP Call
Origin & Implementation – SIPs
9. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 9
NSPS represent an inconsistency with SIP. Why?
– Technology-based program
– Many states adopt and implement NSPS as part of SIP program
designed to achieve compliance with NAAQS
– SSM exemptions in its general provisions as well as within
certain standards
– Reporting requirements
Origin & Implementation – NSPS
10. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 10
1994 NESHAP SSM provisions based on general duty to
minimize emissions during SSM events
2008 D.C. Circuit Court vacated SSM exemption
provisions of §§63.6(f)(1) (non-opacity standard) and
(h)(1) (opacity standards)
– Inconsistent with §112(d) of CAA because CAA requires such
standard to apply continuously
2009 Kushner Guidance Letter – vacatur affects only
those standards that incorporate §§63.6(f)(1) and (h)(1)
and contain no other text that provides SSM protections
Origin & Implementation – NESHAPs
11. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 11
MACT SSM Litigation
Wray Blattner – Thompson Hine
12. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 12
Startup, Shutdown, and Malfunctions
Most states provide relief from otherwise applicable limits
under certain circumstances during periods of operational
startup, shutdown, and/or malfunctions
– Exemptions and/or defenses typically apply if the emission source
Minimizes/limits emissions
Demonstrates efforts to avoid malfunctions
– Rationale
Often not feasible to operate air pollution control equipment during
startups/shutdown without damaging equipment; safety issues
Difficult to meet emission limits at low temperatures and/or low
combustion efficiencies
Malfunctions are usually unanticipated and unforeseen
13. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 13
History of SSM Rules
1970’s: EPA determined that excess emissions during
SSM are not violations of New Source Performance
Standards (CAA Section 111)
Facilities have a “general duty,” to the extent practicable, to operate emission sources
and pollution control equipment in a manner consistent with good air pollution control
practice for minimizing emissions
1994: EPA adopts similar SSM exemptions for National
Emission Standards for Hazardous Air Pollutants
regulations (CAA Section 112)
But:
– Each source must develop and implement an SSM Plan, and
– The SSM Plan must be incorporated into the source’s Title V permit
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History of SSM Rules (continued)
2002: EPA removes requirement that Title V permits
incorporate SSM Plans; rather, the Permit must simply
require that facilities adopt and abide by an SSM Plan
2006: EPA removes requirement that facilities
implement SSM Plans during SSM
But “general duty” to minimize emissions remains intact
2008: Sierra Club sues EPA; U.S. Court of Appeals for
the D.C. Circuit rules in favor of Sierra Club, vacates the
NESHAP SSM exemption. Sierra Club v. EPA, 551 F.3d
1019 (D.C. Cir. 2008)
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History of SSM Rules (continued)
2011: Sierra Club files a “petition for rulemaking,”
seeking to force EPA to act with respect to State’s SIP
rules regarding SSM
February 22, 2013: EPA issues proposed SIP call (78
Federal Register 12460); if finalized, 36 states must
submit revised SIPs eliminating most SSM relief
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State Implementation Plans (“SIPs”)
SIPs must contain “emission limitations” and other “control
measures” to meet the National Ambient Air Quality
Standards (CAA §110(a)(2)(A))
“Emission limitations” must be imposed on a “continuous
basis” (CAA §302(k))
EPA may issue a SIP call when state rules are “substantially
inadequate” to attain or maintain a NAAQS (CAA §110(k)(5))
EPA Current Position: Exceptions/exemptions during SSM
renders the emission limitations non-continuous; therefore,
SIPs with such exceptions/exemptions are “substantially
inadequate”
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SIPs (continued)
“Emission Limitation”: “…a requirement established by
the State or the Administrator which limits the quantity,
rate, or concentration of emissions of air pollutants on a
continuous basis, including any requirement relating to
the operation or maintenance of a source to assure
continuous emission reduction and any design,
equipment, work practice or operational standard
promulgated under [the Act].” (CAA §302(k))
– Allows for alternatives to numeric limits
– “Limits…on a continuous basis” over what time period?
– “Limits” = less than uncontrolled potential to emit? Assure no
exceedance of NAAQS?
18. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 18
Proposed SIP Call – February 22, 2013
No “Automatic Exemptions” during SSM events
No affirmative defenses for civil penalties that might result
from excess emissions during planned startups or
shutdowns
Affirmative defenses for civil penalties that result from
excess emissions during qualifying malfunctions
EPA’s Current Schedule: issue a “Final” SIP Call by May 15,
2014
Once SIP Call becomes Final, states have 18 months to
submit revised SIPs
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Proposed SIP Call (continued)
Affirmative Defenses To Civil Penalties in Event of
Excess Emissions During Malfunctions
– Sudden, unavoidable and unpredictable malfunctions
– Emissions source must be appropriately designed, operated,
and maintained
– Air pollution controls must have been maintained and operated
properly
– Must have taken all practicable steps to prevent malfunction and
to minimize excess emissions
– Repairs must be made promptly and the amount of excess
emissions and duration of excess emissions minimized to
maximum extent practicable
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Proposed SIP Call (continued)
Affirmative Defenses (continued)
– Not a recurring event
– Prompt notification of Agency
– Defense applies only to monetary penalties, NOT injunctive relief
or citizen suit awards
– Defense does NOT apply with respect to excess emissions
associated with startup after a malfunction
– Burden is on Source owner/operator to prove the elements of the
affirmative defense
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Startup, Shutdown, and Malfunctions
Industry View:
– There is no evidence that emissions during startup, shutdown,
and malfunctions have resulted in exceedances of a NAAQS or
otherwise caused a threat to public health and safety
– The rule was promulgated in an undemocratic and non-
transparent fashion
Rule is product of an EPA-Sierra Club settlement in which States
had no input
Public given only 30 days to comment
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Startup, Shutdown, and Malfunctions
(continued)
Industry View (continued):
– Will create major burden – reissuance of all air permits?
– Rule is akin to requiring motor vehicles to meet fuel mileage
standards during acceleration
– To extent SIP call proceeds, a blend of good engineering/work
practice standards during SSM should be sufficient to meet CAA
requirements, rather than otherwise applicable numeric limits,
provided a reasonable measure of “continuous reduction” is achieved
– “EPA shall disapprove a SIP revision only if the revision would
interfere with any applicable requirement concerning attainment of
NAAQS or any other applicable requirement of the Clean Air Act.
Luminant Generation Co. v. EPA, 714 F.3d 841 (5th Cir. 2013)
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Operating Permit SSM Considerations
Jon “JP” Kleinle – ALL4
24. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 24
Title V Operating Permit (TVOP) Content
– Why and how SSM requirements may be included in your TVOP
– Examples of critical SSM conditions that may or may not be
found in your TVOP
Operating Permit Renewal, Re-openings, and Revisions
– Implications of provisions for re-opening and/or revising TVOPs
due to MACT SSM vacatur
Operating Permit Considerations
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40 CFR Part 70 Requirements for TVOP Content
– All “applicable requirements” including SIP, NSPS,
NESHAP/MACT, etc.
– Methods for demonstrating compliance with all applicable
requirements
– Monitoring, recordkeeping, and reporting requirements
Operating Permit Considerations
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40 CFR 70.6—Permit Content
– 40 CFR 70.6(a)(1)—Standard permit requirements
Permits must include operational requirements and limitations that
assure compliance with all applicable requirements at the time of
permit issuance
– 40 CFR 70.6(a)(3)—Monitoring and related recordkeeping and
reporting requirements
Permits must incorporate all applicable monitoring, recordkeeping,
and reporting requirements
Permit Content
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40 CFR 70.6—Permit Content (Cont’d)
– 40 CFR 70.6(a)(2)—Permit duration
Permits are issued for a fixed term of 5 years (except MWC 12
years w/5 yr review)
Permit Content
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SIP, NSPS, and NESHAP/MACT standards should be
included in TVOP as applicable requirements
SSM provisions may be included in TVOPs in different
ways:
– As emission unit or group specific applicable requirements
– Under monitoring, recordkeeping, or reporting requirements
– Under source-wide requirements
– Other???
Permit Content
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On October 16, 2009, the U. S. District of Columbia
Circuit Court issued a mandate vacating the MACT SSM
exemption provisions
40 CFR 63.6(f)(1) and (h)(1) — Part 63 Subpart A
General Provisions that provided exemption from
emission standards required by the relevant MACT
during SSM events
MACT SSM Vacatur
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Some NESHAP/MACT Subparts included specific
language exempting SSM events
Other NESHAP/MACT Subparts only included
references to the General Provision’s SSM exemptions
MACT SSM Vacatur
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MACT SSM Vacatur
NESHAPs Affected by Vacatur* NESHAPs Not Affected By Vacatur*
Subparts S & MM: Pulp & Paper Subparts F, G, H, I: HON for SOCMI
Subpart T: Halogenated Solvent Cleaners Subpart GGG: Pharmaceutical Mfg
Subpart X: Secondary Lead Smelting Subparts CC and UUU: Petroleum Refineries
Subpart GG: Aerospace Manufacturing Subpart DDDD: Plywood & Composite Wood Products
Subpart KK: Printing & Publishing Subpart FFFF: MON
Subpart LLL: Portland Cement Subpart YYYY: Combustion Turbines
Subpart RRR: Secondary Aluminum Subpart ZZZZ: RICE
Subpart JJJJ: Paper & Other Web Coating Subpart DDDDD: Major Source Boilers
Several area source NESHAPs in the metals,
chemicals, and coating subcategories
Subpart JJJJJJ: Area Source Boilers
* At the time of the issuance of the mandate (2009).
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MACT Standard Not Immediately Affected
– As a result of the litigation surrounding the vacatur, U.S. EPA is
addressing the vacatur by revising MACT standards that
included specific SSM exemption provisions as part of the CAA
Section 112(d)(6) eight year review process
– These MACT standard sources need to be following rule
development and promulgation and addressing new SSM
accordingly
MACT SSM Vacatur
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MACT Standards Immediately Affected
– Immediately following issuance of the court mandate, facilities
subject to a MACT standard that only referenced the General
Provision’s SSM exemption were required to be in compliance
with emission limits at all times, even during SSM
events….maybe
MACT SSM Vacatur
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MACT Standards Immediately Affected Cont’d
– One could argue that SSM exemption provisions remain in effect
during the TVOP term if The TVOP includes
Specific SSM exemption provision language (i.e., not a reference),
and
Part 70 Permit Shield provisions
MACT SSM Vacatur
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Example of a NESHAP/MACT Subpart that was
immediately affected by vacatur
TABLE 1 TO SUBPART MM (PULP & PAPER) OF PART 63—GENERAL
PROVISIONS APPLICABILITY
MACT Subpart Example
General Provisions
Reference
Summary of Requirements Applies to Subpart
MM
63.6(f) Compliance with nonopacity
emissions standards
Yes
63.6(h) Compliance with opacity and
visible emissions (VE)
standards
Yes
36. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 36
Example of a NESHAP/MACT Subpart that was not
immediately affected by vacatur
TABLE 7 TO SUBPART YYYY (COMBUSTION TURBINES) OF PART 63—
GENERAL PROVISIONS APPLICABILITY
MACT Subpart Example
General Provisions
Reference
Summary of Requirements Applies to Subpart
MM
63.6(f)(1) Applicability of standards
except during startup,
shutdown, or malfunction
(SSM)
Yes
63.6(h) Opacity and visible emission
standards
No - Subpart YYYY does not
contain opacity or visible
emission standards.
§63.6105(a) You must be in compliance with the emission limitations and operating
limitations which apply to you at all times except during startup, shutdown, and malfunctions.
37. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 37
What is the effect of the MACT SSM Vacatur on your
operating permit?
– NESHAP Subparts that were immediately effected:
Likely permit already required re-opening and/or revision
– NESHAP Subparts that were not immediately effected (i.e.,
explicitly contain exemption):
Likely your permit will require re-opening and/or revision soon, if not
already
Renewal, Re-openings, & Revisions
38. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 38
40 CFR 70.7(f)(1)(i)—Reopening for Cause
– Agency requirement
– Permits must be reopened prior to the expiration of the permit to
address new applicable requirements for a Part 70 source with a
remaining permit term of 3 or more years
Renewal, Re-openings, & Revisions
39. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 39
40 CFR 70.5(b)—Duty to Supplement or Correct
Application
– Applicant requirement
– Applicant shall provide additional information as necessary to
address any requirements that become applicable to the source
after the date it filed a complete application but prior to release of
a draft permit
Renewal, Re-openings, & Revisions
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40 CFR 70.5(c)(4)(i)—Standard Application Form and
Required Information
– Applicant requirement
– Citation and description of all applicable requirements
Renewal, Re-openings, & Revisions
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40 CFR 70.5(c)(8)—Standard Application Form and
Required Information
– Applicant requirement
– A compliance plan for all part 70 sources that contains a
description of the compliance status of the source with respect to
all applicable requirements
Renewal, Re-openings, & Revisions
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40 CFR 70.7(e)(4)—Significant modification procedures
– Applicant requirement
– Significant permit modifications shall meet all Part 70
requirements including those for applications
– 70.5(c)(4)(i) application requirement to include citation and
description of all applicable requirements
Permit Modifications
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Key question:
Did the vacatur of 40 CFR 63.6(f)(1) and (h)(1)
create new applicable requirements required to be
incorporated into facility TVOPs?
MACT SSM Vacatur
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Future Implications
Steve Axtell – Thompson Hine
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Shifting Landscape: Which Rules Apply Now
and Later?
SIP call proposal – February, 2013
Final SIP call – expected in 2014 (May?)
– Will provide impacted states 18 months to submit revised SIP
– Generally expected state revisions would be final before SIP
submittal
What about when State promulgates implementing
rule…
– … but before SIP revision submitted?
– … after revision submitted but before federal EPA approves?
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Shifting Landscape: Which Rules Apply Now
and Later? (continued)
Federal EPA action on revised SIPs
– Expected within 24 months of SIP revision submittals
– What if revised SIP approved? disapproved?
What if FIP rule is in place (or not)?
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Enforcement
Who can bring enforcement?
– Federal - EPA
– State Agencies
– Local Air Pollution Control Authorities
– Citizens, Citizen (Public Interest) Groups
Potential Triggers for Enforcement
– Routine inspections for air or other media
– Clues arise from other mandated reports/notifications to agencies
– Incidents drawing regulatory attention
– Disgruntled employees contacting regulators
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Enforcement
What are the potential consequences?
– Civil penalties
gravity component
economic benefit component
– Criminal penalties
– Suspension and Debarment (government contractors)
– Injunctive Relief (action forcing remedies)
Penalty policies
– Federal EPA and many states have them
– Potential road map for negotiating settlement
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Citizen Enforcement
Authority, Procedure
– Clean Air Act
– State statutes
– 60-day notice required
Potential recovery
– Civil penalty bar
– But damages and attorney fees can be pursued
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Citizen Enforcement (continued)
Strategies to manage potential citizen suit liabilities
– Consider pursuing “friendliER” settlement with state or federal
authorities
– Leverage legal and procedural uncertainties toward minimal
settlements
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Managing Potential Liability
Implement and document best efforts to manage, curtail
event
– Seek to satisfy affirmative defense criteria as act of good will
even where rule vacated - for use in negotiating potential
enforcement
Consider self-disclosure to regulators if available
– Federal – “Audit Policy”
EPA de-emphasizing Policy but still in use
– State equivalent policies
Many, but not all states
Beware: criteria may vary
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Self-Disclosure – Federal Audit Policy
Criteria for gravity-based penalty forgiveness eligibility
Cannot be relieved from Economic Benefit liability
through self-disclosure
– Timely (21 days from
discovery)
– Systematic discovery
– Voluntary disclosure –
satisfying this criterion could
be problematic
– Discovery and disclosure
independent of enforcers
– Correction and remediation
– Recurrence prevention
– No repeat violations
– Excluded violations
– Cooperation
53. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 53
Facility SSM Action Items
Jon “JP” Kleinle – ALL4
54. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 54
Action Items Related to TVOPs
– Understand what MACT standard(s) are applicable to your
facility
– Determine if those MACT standard(s) incorporate the General
Provisions SSM exemption by reference or contain a similar
exemption within the specific MACT standard
– Determine if your MACT standard(s) have been revised since
the vacatur
SSM Action Items
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Action Items Related to TVOPs Cont’d
– Review your operating permit for SSM related conditions
– Compare your operating permit conditions to the current MACT
standard(s)
– Determine if operating permit changes were/are warranted
SSM Action Items
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Action Items Related to TVOPs Cont’d
– Determine if your Part 70 applications submitted after the
mandate addressed the SSM vacatur:
TVOP renewals
TVOP significant modifications (including those incorporating
construction permits)
SSM Action Items
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Action Items Related to SSM Plan (SSMP)
– If you still operate under a SSMP
Verify requirement still in effect
Consider converting to Malfunction Plan to address Affirmative
Defense
Evaluate semi-annual MACT reporting procedures to insure SSM
events are correctly addressed
SSM Action Items
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Action Items Related to SSM Plan (SSMP)
– Understand startup/shutdown emissions and limits
– Understand startup/shutdown procedures
– Make sure training and plans are up to date
– Consider 3rd party SSM audit
– Track SIP changes, take advantage of process
SSM Action Items
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Regulatory and Judicial “Hot Topics”
Wray Blattner – Thompson Hine
60. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 60
Hot Topics Up in the Air
Greenhouse Gas New Source Performance Standards
for Power Plants
– Proposed Rule January 8, 2014
– 1,100 lbs CO2/MWhr – will require “carbon capture and
sequestration” (most efficient coal-burning units achieve 1,800
lbs CO2/MWhr)
– Implications:
Will CCS be deemed BACT for GHG
Once NSPS rule is final, Clean Air Act requires EPA to issue
guidelines to states for CO2 standards for existing power plants
Other industries?
61. The Future of Startup, Shutdown, and Malfunction @ALL4INC @ThompsonHine #SSMFuture 61
Hot Topics Up in the Air (continued)
Boiler National Emission Standards for Hazardous Air
Pollutants (“Boiler MACT”)
– January 2013 final rules for “Area” and “Major” Sources
– Major Source compliance deadline: January 31, 2016 (possible
1-year extension)
19 subcategories based on fuel use
Numeric and work practice standards
– Area Source compliance deadline: March 21, 2014 (possible 1-
year extension)
Gas-fired sources are not regulated
Coal-fired and large oil-fired sources are subject to numeric limits
for mercury, carbon monoxide
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Hot Topics Up in the Air (continued)
Revisions to National Ambient Air Quality Standards
– Ozone standard currently 75 ppb
– EPA considering lowering standard to 60-70 ppb range
– If 60 ppb: 85% of nation would be “non-attainment,” triggering
the tightening of state volatile organic compound and other
ozone precursor emission limits
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Speaker Email Phone
Mark Wenclawiak
ALL4
mwenclawiak@all4inc.com 678.460.0324 x202
Wray Blattner
Thompson Hine
wray.blattner@thompsonhine.com 937.443.6539
Jon “JP” Kleinle
ALL4
jkleinle@all4inc.com 610.933.5246 x120
Steve Axtell
Thompson Hine
stephen.axtell@thompsonhine.com 937.443.6877
Speakers
Editor's Notes
A 1999 policy provided another reaffirmation, as well as a supplement to the 1982 and 1983 policies, with clarifications on the types of excess emission provisions states may incorporate into SIPs. The primary topic of the 1999 policy related to if a state may go beyond its enforcement discretion approach and include in its SIP a provision that would excuse a source from penalties if the source can demonstrate that it meets certain objective criteria, referred to as an affirmative defense. Affirmative defense has become a hot topic lately, particularly with respect to MACT standards, and we’ll go for a deeper dive into these in later slides.
The 1999 policy clarified that states have the discretion to provide a defense to actions for penalties brought for excess emissions that arise during certain startup, shutdown, and malfunction events. An affirmative defense provision may only apply to actions for penalties, but not to actions for injunctive relief. This restriction ensures that authorities remain able to protect air quality standards and PSD increments.
The affirmative defense approach is only appropriate only when the respective contributions of individual sources to pollutant concentrations in ambient air are such that no single source or small group of sources has the potential to cause an exceedance of the NAAQS or PSD increments (which is evaluated through modeling or through actual air monitoring data). Where the potential exists for a single source or small group of sources to cause an exceedance of the NAAQS or PSD increments, EPA believes an affirmative defense approach will not be adequate to protect public health and the environment, and the only appropriate means of dealing with excess emissions during startup, shutdown, and malfunction episodes is through an enforcement discretion approach. Let’s think about this for a moment – your facility’s operations and emissions are not necessarily enough to take advantage of the affirmative defense approach – now you have to know who your neighbors are and if they could be the smoking gun of a single source that has the potential to cause an exceedance of the NAAQS or PSD increments. Where would potential exist? It is most likely going to be associated with sulfur dioxide or lead emitting sources such as power plants, refineries, and metal smelters. Compiling a local source inventory used to be solely associated with PSD permitting but it may have been unknowingly part of SSM provisions since the late 20th century.
This sets the stage for our last slide on SIPs, which takes us to our present day challenges….
Additional policies in the early 2000s continued to reaffirm previous policies and guidance. However, in 2004, the U.S. District Court for the Northern District of Georgia made an unwieldy process even more so. The District Court ruled that a series of EPA policy memoranda (that is, the ones we just reviewed) superseded part of Georgia’s EPA-approved SIP that allowed, under certain conditions, excess emissions that occur during startup, shutdown and malfunction events. Why was this decision a big deal? More than ½ of states across the country had (and still have to this day) SIPs that included a provision similar to the Georgia SSM provisions. Moreover, as we touched on earlier, in addition to state regulations with excess emission exemptions, there are federal standards such as NSPS that include similar exemptions.
On February 12, 2013, U.S. EPA issued a ‘SIP Call,’ in which a large number of states will have 18 months to rewrite and submit a revised SIP in hopes of U.S. EPA approval. In the proposed rule, U.S. EPA no longer allows facilities to emit excess pollution during periods of planned startup and shutdown, but DOES permit facilities to continue to allow excess emissions during unplanned malfunction events. In the case of a malfunction event that causes excess emissions, the facility must submit an ‘affirmative defense’ to U.S. EPA in order to shield themselves from penalties. This approach is consistent with recent actions related to SSM events as specified in the General Provisions in Part 63, Subpart A of the National Emission Standards for Hazardous Air Pollutants (NESHAP), as we will explore in depth in later slides.
But first, let’s look at the relationship between NSPS and SSM events…..
Recall that NSPS is a technology-based federal regulatory program that is not necessarily intended to attain/maintain NAAQS compliance, which results in a disconnect in that many states adopt and implement NSPS as part of their SIP programs designed to achieve compliance with NAAQS. NSPS has startup shutdown and malfunction exemptions within its general provisions as well as within certain standards. In fact, some standards have varying exemption provisions within the standards themselves. For example, Subpart Dc, which is a familiar standard that applies to commercial and industrial size boilers, contains emission standards for sulfur dioxide, particulate matter, and opacity. The PM and opacity standards do not apply during periods of startup, shutdown and malfunction yet the sulfur dioxide standards apply at all times. So are you confused yet?
Under NSPS, sources have a general duty to maintain and operate equipment in a manner to minimize emissions. Sources are required to submit semiannual reports on excess emissions that include the magnitude of excess emissions; the date, time and duration; and the nature and cause of malfunctions and corrective actions taken.
Again, US EPA has reiterated that an affirmative defense provision in a SIP cannot extend to direct federal regulations such as NSPS that the air agency may elect to adopt into its SIP, or to incorporate by reference into its SIP, in order to receive delegation of federal authority. This distinction provides a challenge to sources at a facility that are subject to NSPS as well as a NESHAP (for example a recovery furnace at a pulp mill that is subject NSPS Subpart BB and the Pulp and Paper MACT II standards of Subpart MM).