Air Pollution Control Program: Air Pollution Control Program: Proposed ChangesProposed Changes

Presented to the Air Pollution Presented to the Air Pollution Control Board Control Board

April 2009April 2009

Time for Updates…Time for Updates…

Federal PMFederal PM2.52.5 standard moved from 65 ug/m standard moved from 65 ug/m33 daily daily average for the year to 35 ug/maverage for the year to 35 ug/m33. . – That’s almost half what it wasThat’s almost half what it was

Health Implications were documented before this change Health Implications were documented before this change was made. was made.

Health Department is charged with protecting public Health Department is charged with protecting public health by protecting the standard. health by protecting the standard.

Don’t want to become non-attainment and we are Don’t want to become non-attainment and we are already within one microgram for the daily standard! already within one microgram for the daily standard!

Health Effects of PMHealth Effects of PM2.52.5

Premature death in people with heart or lung Premature death in people with heart or lung diseasediseaseDecreased lung functionDecreased lung functionAggravate asthmaAggravate asthmaHeart attacksHeart attacksIrregular heart beatIrregular heart beatDevelopment of chronic bronchitisDevelopment of chronic bronchitisWood smoke contains carcinogens.Wood smoke contains carcinogens.People with heart or lung diseases, children and People with heart or lung diseases, children and older adults are most likely to be affected by older adults are most likely to be affected by PMPM2.52.5. .

Chapters in RevisionChapters in Revision

Ch. 4 - Emergency Episode Avoidance Plan (EEAP)Ch. 4 - Emergency Episode Avoidance Plan (EEAP)– 3 Proposed Changes3 Proposed Changes

Ch. 6 – Industrial SourcesCh. 6 – Industrial Sources– 1 Proposed Substantive Change1 Proposed Substantive Change

Ch. 9 – Solid Fuel Burning Devices (SFBD)Ch. 9 – Solid Fuel Burning Devices (SFBD)– 4 Proposed Changes4 Proposed Changes

Ch. 14 – Enforcement and Administrative Procedures Ch. 14 – Enforcement and Administrative Procedures – 1 Proposed Change1 Proposed Change

Ch. 4 - EEAPCh. 4 - EEAP

Goal Goal – Promulgate new PMPromulgate new PM2.52.5 standard into Alerts standard into Alerts

and Warningsand Warnings

Three Proposed ChangesThree Proposed Changes– Alert/Warning LevelsAlert/Warning Levels– Area for alertsArea for alerts– Special wildfire alertsSpecial wildfire alerts

Ch. 4 EEAPCh. 4 EEAP

Proposed Change #1Proposed Change #1

– Set Set Stage I AlertsStage I Alerts and and Stage II WarningsStage II Warnings for various for various levels of PMlevels of PM2.52.5 pollution pollution

– Alerts and Warnings have two major partsAlerts and Warnings have two major partsHealth Advisories – How to protect yourself (which we Health Advisories – How to protect yourself (which we can already give out now)can already give out now)

Restrictions - Strategies to reduce the PMRestrictions - Strategies to reduce the PM2.52.5 levels levels

being emitted. Trying to reduce sources of the problem.being emitted. Trying to reduce sources of the problem.

Proposed PM2.5 Alert and Proposed PM2.5 Alert and Warning LevelsWarning Levels

Stage I AlertStage I Alert– “ “ May call alert” - OptionalMay call alert” - Optional

PMPM2.52.5 8-hr average > 8-hr average > 21 ug/m21 ug/m33

Allows proactive measures if dispersion Allows proactive measures if dispersion turning for the worseturning for the worse

– “ “ ShallShall call alert” - Requiredcall alert” - Required PMPM2.52.5 8-hr average > 8-hr average > 28 ug/m28 ug/m33

Or if PMOr if PM2.52.5 has the has the potentialpotential to exceed to exceed 35 ug/m35 ug/m33 for 24-hr average. ~~~for 24-hr average. ~~~Predictive~~~Predictive~~~

Proposed PM2.5 Alert and Warning Proposed PM2.5 Alert and Warning LevelsLevels

Stage II WarningsStage II Warnings– ““Shall call warnings” –Shall call warnings” –

PM2.5 meets or exceeds 35 ug/m3 for an 8-hour PM2.5 meets or exceeds 35 ug/m3 for an 8-hour period of time. period of time.

21

28

35

0

5

10

15

20

25

30

35

PM 2.5

OptionalAlert

RequiredAlert

RequiredWarning

Level of Alert of Warning

Ch. 4 Ch. 4 EEAPEEAP

Proposed Proposed Change # 2: Change # 2:

Increase area Increase area for potential for potential Alerts and Alerts and Warnings from Warnings from Air Stagnation Air Stagnation Zone to Zone MZone to Zone M

Ch 4. EEAP Ch 4. EEAP

Proposed Change #3Proposed Change #3

– Give provision for separate Wildfire Smoke Give provision for separate Wildfire Smoke Emergency Episode Avoidance Plan which Emergency Episode Avoidance Plan which can differ from rules put forth in Chapter 4 for can differ from rules put forth in Chapter 4 for Wintertime AlertsWintertime Alerts

Ch. 6 – Stationary SourcesCh. 6 – Stationary Sources

Permitting gap for small boilers exist.Permitting gap for small boilers exist.– Chapter 9 requires permits for units under 1 million Btu/hr and Chapter 9 requires permits for units under 1 million Btu/hr and

sets emission standards.sets emission standards.– Chapter 6 requires air pollution sources that emit 25 tons or Chapter 6 requires air pollution sources that emit 25 tons or

more of a pollutant to get an Air Quality Permit.more of a pollutant to get an Air Quality Permit.– Small boilers, commonly found at fuels for schools projects, Small boilers, commonly found at fuels for schools projects,

have heat inputs greater than 1 million Btu/hr and have pollutant have heat inputs greater than 1 million Btu/hr and have pollutant emissions less than 25 tons per year.emissions less than 25 tons per year.

– Smaller boilers do not need a permit.Smaller boilers do not need a permit.

Goals: Goals: – Address a permitting gap that exists for boilers of a medium size Address a permitting gap that exists for boilers of a medium size

that have the potential to effect local PMthat have the potential to effect local PM2.5 2.5

Ch. 6 – Stationary SourcesCh. 6 – Stationary Sources

Proposed Change: Proposed Change: – Require all residential, institutional and commercial Require all residential, institutional and commercial

solid fuel burning devices with the heat input capacity solid fuel burning devices with the heat input capacity to burn 1,000,000 BTU/hr or more to get an Air to burn 1,000,000 BTU/hr or more to get an Air Quality Permit.Quality Permit.

– As part of the Air Quality Permit, require strict As part of the Air Quality Permit, require strict emission limits and testing to protect sensitive emission limits and testing to protect sensitive Airsheds found in Missoula County.Airsheds found in Missoula County.

Industrial boilers not affected by rule change - Industrial boilers not affected by rule change - new rule would be for space heating uses.new rule would be for space heating uses.

Ch. 9 – Solid Fuel Burning DevicesCh. 9 – Solid Fuel Burning Devices

Sampling has shown that fine particulate Sampling has shown that fine particulate matter from woodstoves is a concern matter from woodstoves is a concern throughout the countythroughout the county

Goal: Address PM from wood smoke Goal: Address PM from wood smoke throughout the countythroughout the county

Ch. 9 – Solid Fuel Burning Ch. 9 – Solid Fuel Burning DeviceDevice

Four Proposed Changes: Four Proposed Changes:

– #1: Require all new solid fuel burning devices #1: Require all new solid fuel burning devices throughout Missoula County to get a permitthroughout Missoula County to get a permit

– #2: Adopt minimum emissions standards for #2: Adopt minimum emissions standards for solid fuel burning devices installed anywhere solid fuel burning devices installed anywhere in the county in the county

EPA Certified devices and/or devices that meet EPA Certified devices and/or devices that meet minimum emissions requirements. minimum emissions requirements.

Ch. 9 – Solid Fuel Burning DevicesCh. 9 – Solid Fuel Burning Devices

Four Proposed Changes:Four Proposed Changes:

– #3: Allow New Zone M sole source permits for people #3: Allow New Zone M sole source permits for people outside the Air Stagnation Zone outside the Air Stagnation Zone

If this was the sole sources of heat prior to XXXX date/year. If this was the sole sources of heat prior to XXXX date/year. Grandfathering time. Grandfathering time. only if the house is not served by electric utility.only if the house is not served by electric utility.

– #4: Expand restrictions and enforcement for solid fuel #4: Expand restrictions and enforcement for solid fuel burning device curtailment to the Air Stagnation Zone burning device curtailment to the Air Stagnation Zone for Stage I Alerts, and to Impact Zone M for Warnings.for Stage I Alerts, and to Impact Zone M for Warnings.

Solid Fuel Burning Device RestrictionsSolid Fuel Burning Device Restrictions = ok to burn no = no visible emissions = ok to burn no = no visible emissions

ASZASZ(expanded from high (expanded from high

impact zone)impact zone)

ASZASZ(expanded from high (expanded from high

impact zone)impact zone)

ASZASZ(expanded from high (expanded from high

impact zone)impact zone)

Zone MZone M

~NEW~~NEW~

Zone MZone M

~NEW~~NEW~

General General StovesStoves

Alert Alert PermitsPermits

Sole Sole Source Source PermitsPermits

General General StovesStoves

Sole Sole Source Source PermitsPermits

Stage I Stage I AlertAlert nono

Limit 10 Limit 10 % opacity% opacity

Limit 20 Limit 20 % opacity% opacity

Stage II Stage II WarningWarning nono nono

Limit 20 Limit 20 % opacity% opacity nono

Limit 20 Limit 20 % opacity% opacity

Ch. 14 – Enforcement & Admin. Ch. 14 – Enforcement & Admin. Procedures Procedures

Goal: Clarify the rules regarding who can Goal: Clarify the rules regarding who can ask for an administrative reviewask for an administrative review

Proposed Change: Proposed Change: – Make it clear that people adversely affected Make it clear that people adversely affected

by a permitting action can request an by a permitting action can request an administrative reviewadministrative review