Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 51 - Requirements for Preparation, Adoption, and Submittal of Implementation Plans |
Subpart A - Air Emissions Reporting Requirements |
Appendix A to Subpart A of Part 51 - Tables
Latest version.
-
Appendix A to Subpart A of Part 51 - Tables
Table 1 to Appendix A of Subpart A - Emission Thresholds1 by Pollutant for Treatment as Point Source Under 40 CFR 51.30
Pollutant Every-year Triennial Type A sources2 Type B sources NAA sources3 (1) SO2 ≥2500 ≥100 ≥100. PM2.5 (Serious) ≥70. (2) VOC ≥250 ≥100 ≥100. within OTR4 ≥50 within OTR ≥50. O3 (Serious) ≥50. O3 (Severe) ≥25. O3 (Extreme) ≥10. PM2.5 (Serious) ≥70. (3) NOX ≥2500 ≥100 ≥100. O3 (Serious) ≥50. O3 (Severe) ≥25. O3 (Extreme) ≥10. PM2.5 (Serious) ≥70. (4) CO ≥2500 ≥1000 ≥1000. CO (all areas) ≥100. (5) Lead ≥0.5 (actual) ≥0.5 (actual). (6) Primary PM10 ≥250 ≥100 ≥100. PM10 (Serious) ≥70. (7) Primary PM2.5 ≥250 ≥100 ≥100. PM2.5 (Serious) ≥70. (8) NH3 ≥250 ≥100 ≥100. PM2.5 (Serious) ≥70. Table 2a to Appendix A of Subpart A - Facility Inventory1 Data Elements for Reporting Emissions From Point Sources, Where Required by 40 CFR 51.30
Data elements (1) Emissions Year. (2) State and County FIPS Code or Tribal Code. (3) Facility Site Identifier. (4) Unit Identifier. (5) Emission Process Identifier. (6) Release Point Identifier. (7) Facility Site Name. (8) Physical Address (Location Address, Locality Name, State and Postal Code). (9) Latitude and Longitude at facility level. (10) Source Classification Code. (11) Aircraft Engine Type (where applicable). (12) Facility Site Status and Year. (13) Release Point Stack Height and Unit of Measure. (14) Release Point Stack Diameter and Unit of Measure. (15) Release Point Exit Gas Temperature and Unit of Measure. (16) Release Point Exit Gas Velocity or Release Point Exit Gas Flow Rate and Unit of Measure. (17) Release Point Status and Year. (18) NAICS at facility level. (19) Unit Design Capacity and Unit of Measure (for some unit types). (20) Unit Type. (21) Unit Status and Year. (22) Release Point Apportionment Percent. (23) Release Point Type. (24) Control Measure and Control Pollutant (where applicable). (25) Percent Control Approach Capture Efficiency (where applicable). (26) Percent Control Measures Reduction Efficiency (where applicable). (27) Percent Control Approach Effectiveness (where applicable). Table 2b to Appendix A of Subpart A - Data Elements for Reporting Emissions From Point, Nonpoint, Onroad Mobile and Nonroad Mobile Sources, Where Required by 40 CFR 51.30
Data elements Point Nonpoint Onroad Nonroad (1) Emissions Year Y Y Y Y (2) FIPS code Y Y Y Y (3) Shape Identifiers (where applicable) Y (4) Source Classification Code Y Y Y (5) Emission Type (where applicable) Y Y Y (8) Emission Factor Y Y (9) Throughput (Value, Material, Unit of Measure, and Type) Y Y Y (10) Pollutant Code Y Y Y Y (11) Annual Emissions and Unit of Measure Y Y Y Y (12) Reporting Period Type (Annual) Y Y Y Y (13) Emission Operating Type (Routine) Y (14) Emission Calculation Method Y Y (15) Control Measure and Control Pollutant (where applicable) Y (16) Percent Control Measures Reduction Efficiency (where applicable) Y (17) Percent Control Approach Effectiveness (where applicable) Y (18) Percent Control Approach Penetration (where applicable) Y [73 FR 76552, Dec. 17, 2008, as amended at 80 FR 8796, Feb. 19, 2015; 81 FR 58149, Aug. 24, 2016; 83 FR 63031, Dec. 6, 2018]