Exceptional Events Requirements - Reference Guide
The following table contains links to information for use in preparing exceptional event demonstrations. Each link points to a specific area in guidance documents, example approved demonstrations or other relevant tools categorized by rule element, event type and pollutant. Please note that for the few instances where links point to another pollutant than referenced in the column heading, EPA believes the approach in the linked document is also applicable for the pollutant in the column heading.
| Element - 40 CFR 50.1(j) | High Winds | Fires | Stratospheric Ozone Intrusion | Fireworks | Volcanoes | ||||
|---|---|---|---|---|---|---|---|---|---|
| PM10 | PM2.5 | Ozone | PM2.5 | PM10 | Ozone | PM2.5 | PM | SO2 | |
| Affects Air Quality |
High Winds Guide (p.25) AZ DEQ Demonstration (p.106) |
Plumas demonstration(2 pp, 30 MB, 6/17/09) (p.9) |
Rose Park Demonstration (p.7) | Kona Demonstration (p.11) | |||||
| Not Reasonably Controllable or Preventable |
High Winds Guide (p.13) AZ DEQ Demonstration (p.48) |
Interim Exceptional Events Rule FAQ (p.23) KDHE Demonstration (p.33) CARB demonstration(10 pp, 82 MB, 3/30/11) (p.79) |
Kona Demonstration (p.59) EPA Review Document (p.8) |
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|
Caused by Human Activity Unlikely to Reoccur at a Particular Location or Natural Event |
High Winds Guide (p.25) AZ DEQ Demonstration (p.106) |
Preamble Language (p.13567) KDHE Demonstration (p.35) CARB demonstration(10 pp, 82 MB, 3/30/11) (p.80) |
Kona Demonstration (p.11) | ||||||
| Clear Causal Relationship Between Measurement and Event |
High Winds Guide (p.24) AZ DEQ Demonstration (p.55) |
KDHE Demonstration (p.48) Plumas demonstration(2 pp, 30 MB, 6/17/09) (p.13) |
Rose Park Demonstration (p.8) | Kona Demonstration (p.28) | |||||
| No Exceedance or Violation But For the Event |
High Winds Guide (p.26) Interim Exceptional Events Rule FAQ (p.32) AZ DEQ Demonstration (p.114) |
Interim Exceptional Events Rule FAQ (p.10) KDHE Demonstration (p.112) CARB demonstration(10 pp, 82 MB, 3/30/11) |
Rose Park Demonstration (p.18) | Kona Demonstration (p.71) | |||||
| The Event Is Associated with Measured Concentration In Excess of Normal Historical Fluctuations, Including Background |
High Winds Guide (p.23) Interim Exceptional Events Rule FAQ (p.4) AZ DEQ Demonstration (p.44) |
Interim Exceptional Events Rule FAQ (p.4) KDHE Demonstration (p.84) AZ DEQ Demonstration (p.44) |
Interim Exceptional Events Rule FAQ (p.4) Rose Park Demonstration (p.15) |
Interim Exceptional Events Rule FAQ (p.4) Kona Demonstration (p.69) |
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