Table 1 Significant Impact Levels OAR 340-200-8000 | |||||
Pollutant | Averaging Time | Air Quality Area Designation | |||
Class I | Class II | Class III | |||
SO2 (µg/m3)1 | Annual | 0.10 | 1.0 | 1.0 | |
24-hour | 0.20 | 5.9 | 5.0 | ||
3-hour | 1.0 | 25.0 | 25.0 | ||
PM10 (µg/m3) | Annual | 0.20 | 0.20 | 0.20 | |
24-hour | 0.30 | 1.0 | 1.0 | ||
PM2.5 (µg/m3) | Annual | 0.06 | 0.3 | 0.3 | |
24-hour | 0.07 | 1.2 | 1.2 | ||
NO2 (µg/m3) | Annual | 0.10 | 1.0 | 1.0 | |
CO (mg/m3)2 | 8-hour | --- | 0.5 | 0.5 | |
1-hour | --- | 2.0 | 2.0 | ||
[ED. NOTE: This rule amended and renumbered from OAR 340-200-0020.]
Table # 2 Significant Emission Rates (OAR 340-200-8010) | ||
Pollutant | Emission Rate | |
Greenhouse Gases (CO2e) | 75,000 tons/year | |
Carbon Monoxide | 100 tons/year | |
Nitrogen Oxides (NOX) | 40 tons/year | |
Particulate Matter | 25 tons/year | |
PM10 | 15 tons/year | |
Direct PM2.5 | 10 tons/year | |
PM2.5 precursors (SO2 or NOx) | 40 tons/year | |
Sulfur Dioxide (SO2) | 40 tons/year | |
Volatile Organic Compounds (VOC) | 40 tons/year | |
Ozone precursors (VOC or NOx) | 40 tons/year | |
Lead | 0.6 ton/year | |
Fluorides | 3 tons/year | |
Sulfuric Acid Mist | 7 tons/year | |
Hydrogen Sulfide | 10 tons/year | |
Total Reduced Sulfur (including hydrogen sulfide) | 10 tons/year | |
Reduced sulfur compounds (including hydrogen sulfide) | 10 tons/year | |
Municipal waste combustor organics (measured as total tetra- through octa- chlorinated dibenzo-p-dioxins and dibenzofurans) | 0.0000035 ton/year | |
Municipal waste combustor metals (measured as particulate matter) | 15 tons/year | |
Municipal waste combustor acid gases (measured as sulfur dioxide and hydrogen chloride) | 40 tons/year | |
Municipal solid waste landfill emissions (measured as nonmethane organic compounds) | 50 tons/year | |
[ED. NOTE: This rule amended and renumbered from OAR 340-200-0020.]
Table # 3 Significant Emission Rates for the Medford-Ashland Air Quality Maintenance Area (OAR 340-200-8020) | |||
Air Contaminant | Emission Rate | ||
Annual | Day | ||
PM10 | 5.0 tons/year | 50.0 pounds | |
[ED. NOTE: This rule amended and renumbered from OAR 340-200-0020.]
Table # 4 De Minimis Emission Levels (OAR 340-200-8030) | ||
Pollutant | De minimis (tons/year, except as noted) | |
Greenhouse Gases (CO2e) | 2,756 | |
CO | 1 | |
NOx | 1 | |
SO2 | 1 | |
VOC | 1 | |
PM | 1 | |
PM10 (except Medford AQMA) | 1 | |
PM10/PM2.5 (Medford AQMA) | 0.5 [5.0 lbs/day] | |
Direct PM2.5 | 1 | |
Lead | 0.1 | |
Fluorides | 0.3 | |
Sulfuric Acid Mist | 0.7 | |
Hydrogen Sulfide | 1 | |
Total Reduced Sulfur (including hydrogen sulfide) | 1 | |
Reduced Sulfur | 1 | |
Municipal waste combustor organics (Dioxin and furans) | 0.0000005 | |
Municipal waste combustor metals | 1 | |
Municipal waste combustor acid gases | 1 | |
Municipal solid waste landfill gases | 1 | |
Single HAP | 1 | |
Combined HAP (aggregate) | 1 | |
[ED. NOTE: This rule amended and renumbered from OAR 340-200-0020.]
Table # 5 Generic PSELs (OAR 340-200-8040) | ||
Pollutant | Generic PSEL (tons/year, except as noted) | |
Greenhouse Gases (CO2e) | 74,000 | |
CO | 99 | |
NOx | 39 | |
SO2 | 39 | |
VOC | 39 | |
PM | 24 | |
PM10 (except Medford AQMA) | 14 | |
PM10/PM2.5 (Medford AQMA) | 4.5 [49 lbs/day] | |
PM2.5 | 9 | |
Lead | 0.5 | |
Fluorides | 2 | |
Sulfuric Acid Mist | 6 | |
Hydrogen Sulfide | 9 | |
Total Reduced Sulfur (including hydrogen sulfide) | 9 | |
Reduced Sulfur | 9 | |
Municipal waste combustor organics (Dioxin and furans) | 0.0000030 | |
Municipal waste combustor metals | 14 | |
Municipal waste combustor acid gases | 39 | |
Municipal solid waste landfill gases | 49 | |
Single HAP | 9 | |
Combined HAPs (aggregate) | 24 | |
[ED. NOTE: This rule amended and renumbered from OAR 340-200-0020(56).]