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Status of:
- Ozone (O3) and Particulate Matter (PM2.5)
- Sulfur Dioxide (SO2) Standard
- Upcoming plans
- State Rules – RTR and beyond
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Air Quality Planning Updates Emily Wilbur Air Pollution Control - - PowerPoint PPT Presentation
Air Quality Planning Updates Emily Wilbur Air Pollution Control - - PowerPoint PPT Presentation
Air Quality Planning Updates Emily Wilbur Air Pollution Control Program Status of: Ozone (O 3 ) and Particulate Matter (PM 2.5 ) Sulfur Dioxide (SO 2 ) Standard Upcoming plans State Rules RTR and beyond 2 Ozone and
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Ozone and Particulate Matter Status
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- St. Louis Nonattainment Area
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Current Historical (prior to 2019)
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What does this mean for St. Louis?
- Nonattainment New Source Review applies for
- zone in St. Louis City, St. Louis County, St.
Charles County, and Boles Township in Franklin
- County. PSD permitting applies in all other areas.
- Transportation conformity no longer applies for
PM2.5, however, it continues for ozone due to a recent court decision.
- State and federal emission control rules relied
upon in previous plans continue to apply.
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Sulfur Dioxide (SO2) Status
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- 2013: Two nonattainment areas designated
(portions of Jackson and Jefferson counties).
- 2018: Monitoring attainment for both.
Round 1: Existing Monitors
- 2015-2016: Three areas considered. EPA did
not designate any nonattainment areas
Round 2: Consent Decree
- Dec 2017: EPA designated remaining areas
in Missouri as unclassifiable/attainment.
- Except Iron and New Madrid counties
Round 3: Data Requirements Rule (Modeling)
- 4 areas installed new air quality monitors
- 2017-2019: Collect air monitoring data
- Dec 2020: Deadline for EPA designations
Round 4: Data Requirements Rule (Monitoring)
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2010 SO2 Standard (75 ppb)
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Upcoming Plan Actions in 2019
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State Plan Actions in 2019
- 2015 Ozone Standard
– Infrastructure SIP (Adoption Request at March 28 MACC meeting) – Transport SIP (Public Hearing at March 28 MACC meeting)
- 2010 SO2 Standard
– Jackson County Maintenance Plan – Boundary Recommendations for undesignated areas
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Federal NAAQS Updates
- CO, Lead and NO2: EPA has not released an
update
- SO2: On Feb. 25, 2019, EPA retained the
2010 standard, without revision
- PM and Ozone: EPA is expected to release a
proposal in early 2020 with a final rule to follow in late 2020
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State Rulemakings
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Red Tape Reduction
- 100% of department rules reviewed
– 101 rules in Title 10, Division 10
- 38% reduction in restrictive words
- 20% reduction in total rules
- 64% of department rules were
amended/rescinded
– Air: 20 rescissions and 40 amendments
- Over 300 comments were received and
considered
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Red Tape Reduction (Cont.)
- Last set of RTR air rules will become
effective March 30, 2019
- Submitting state rules to EPA for inclusion
in SIP, as appropriate
– EPA approval of submittals is required before state rules will be federally enforceable – Approval could take up to 18 months per Clean Air Act
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Beyond Red Tape Reduction
- Additional rulemakings expected in 2019
– Approximately 46 additional rules in review
- These rules were delayed due to workload
and priority.
- Changes include rule clarification,
reference updates, and addition of definition(s)
- Workgroup for 10 CSR 10-6.410 forming
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