[PPT] - --m DEPARTMENT OF NATURAL RESOURCES ============== ------- ------- PowerPoint Presentation

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Missouri Department of Natural Resources Air Pollution Control Program Prepared for: Missouri Air Conservation Commission December 3, 2019

Regional Haze Rule

E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 2

Outline

Overview of Regional Haze Program
Missouri’s Federal Class I Areas
Planning and SIP Development
Current Status and Future Plans

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E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 3

Overview of the Regional Haze Program

Regional Haze is the impairment of visibility due to air

pollutants from anthropogenic sources (40 CFR 51.301)

Stationary, mobile, and area emission sources, over a

wide geographic area, contribute to visibility impairment

Primary mechanism of visibility impairment is light

extinction caused by particulate matter

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E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

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Hercules Glades Wilderness Area Visibility Index: 11 dv vs. 35 dv

(Source: http://vista.cira.colostate.edu/Improve/winhaze/)

Overview of the Regional Haze Program

E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 5

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Overview of the Regional Haze Program

Source: Malm W.(1999) An Introduction to Visibility. Cooperative Institute for Resources in the Atmosphere.

MISSOURI

DEPARTMENT OF NATURAL RESOURCES =======================---------------------------------

Characteristics of Observer

Detection Thresholds
Psychological Response to

Incoming Light

Value Judgements

Light from clouds

scattered Into

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Overview of the Regional Haze Program

Particulate matter contributing to

visibility impairment can be broken down into six categories,

r species
The ambient air quality monitors

at Class I areas measure the contribution from each of these particulate matter species

E MISSOURI

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DEPARTMENT OF

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NATU RAL RESOU RCES ==========----------- -----

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onium Nitrate

SLIDE 7

1999 - EPA adopted the Regional Haze Rule to protect

Federal Class I areas from visibility impairment

– Requires states to develop Regional Haze SIPs and revise them every 10 years

2012 - EPA approved Missouri’s first Regional Haze SIP
2017 - EPA revised the Regional Haze Rule - the 2nd SIP

revision deadline was extended from 2018 to 2021

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Overview of the Regional Haze Program

E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 8

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Overview of the Regional Haze Program

Source: https://floridadep.gov/air/

Federal Class I Areas

MISSOURI

DEPARTMENT OF NATURAL RESOURCES

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SLIDE 9

Missouri’s Federal Class I Areas

Hercules Glades Wilderness Area Mingo Wilderness Area

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E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ================-----------------------

Hercules G1 l lades Mingo

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Missouri’s Federal Class I Areas

Source: WRAP Technical Support System (http://views.cira.colostate.edu/tssv2/) 10

MISSOURI

DEPARTMENT OF NATURAL RESOURCES

Sum of Light Extinction (1/Mm)

Hercules Glades 160 140 120 100 80 60 40

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=======================-----------------------------------

Sum of Light Extinction (1/Mm)

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PM S

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PM Species

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SLIDE 11

Missouri’s Federal Class I Areas

Source: WRAP Technical Support System (http://views.cira.colostate.edu/tssv2/) 11

MISSOURI

DEPARTMENT OF NATURAL RESOURCES ===================----------------------------

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-- Glide path

........ 2004-2018 --2000-2004 Baseline

2028 EPA's Modeling Result

SLIDE 12

Planning and SIP Development

Ultimate goal: Attain natural visibility conditions in all

Federal Class I areas by 2064

States required to develop ten-year plans to achieve the

goal with a Uniform Rate of Progress

EPA approved Missouri’s 1st Regional Haze SIP in 2012

and Missouri’s first Regional Haze progress report in 2016

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E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 13

Planning and SIP Development

States must revise and submit their regional haze

implementation plan revisions to EPA by July 31, 2021, July 31, 2028, and every 10 years thereafter

States must submit Regional Haze progress reports to

EPA every five years

States must address all Class I areas located within their

state and those located outside the state that may be affected by emissions from within the state

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E MISSOURI

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DEPARTMENT OF

a!:111

NATURAL RESOURCES ==============---------------------

SLIDE 14

Current Status and Future Plans

August 20, 2019 - EPA released guidance for development
f Regional Haze SIPs for the second implementation

period

The guidance proposes an eight-step SIP development

framework

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E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 15

Current Status and Future Plans

Step 1: Ambient data analysis (completed) Step 2: Determination of affected Class I areas in other states Step 3: Selection of sources for four-factor analyses

costs of compliance,
the time necessary for compliance,
the energy and non-air quality environmental impacts of compliance, and
remaining useful life

Step 4: Characterization of factors for control measures

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E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 16

Current Status and Future Plans

Step 5: Decisions on necessary control measures for reasonable progress goals Step 6: Modeling of long term strategy Step 7: Uniform Rate of Progress glide path check Step 8: Consultation with other parties (FLMs, other states)

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E MISSOURI

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DEPARTMENT OF

a!:111

NATURAL RESOURCES ==============---------------------

SLIDE 17

Current Status and Future Plans – Tentative Timeline

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Analysis, SIP Development, and Consultation: 2017 – 2021 Public Comment Period: Spring 2021 Public Hearing: Spring/Summer 2021 MACC Adoption: Summer 2021 EPA Submittal Deadline: July 2021

E MISSOURI

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DEPARTMENT OF

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NATURAL RESOURCES ==============---------------------

SLIDE 18

Questions?

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Air Pollution Control Program Air Quality Planning Section Email: apcpsip@dnr.mo.gov Phone: 573-751-4817

E MISSOURI

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DEPARTMENT OF

a!:111

NATURAL RESOURCES ==============---------------------