Source: https://www.ecfr.gov/cgi-bin/text-idx?mc=true&node=sg40.2.51_110.sg1&rgn=div7
Timestamp: 2020-01-18 05:10:37
Document Index: 690124035

Matched Legal Cases: ['art 51', '§51', '§51', '§51', '§51', '§51', '§51', '§51', '§51', '§51']

Title 40 → Chapter I → Subchapter C → Part 51 → Subpart A → Subject Group
§51.20 What are the emission thresholds that separate point and nonpoint sources?
(a) All anthropogenic stationary sources must be included in your inventory as either point or nonpoint sources.
(b) Sources that meet the definition of point source in this subpart must be reported as point sources. All pollutants specified in §51.15(a) must be reported for point sources, not just the pollutant(s) that qualify the source as a point source.
(c) If your state has lower emission reporting thresholds for point sources than paragraph (b) of this section, then you may use these in reporting your emissions to EPA.
§51.25 What geographic area must my state's inventory cover?
Because of the regional nature of these pollutants, your state's inventory must be statewide, regardless of any area's attainment status.
§51.30 When does my state report which emissions data to EPA?
(1) All states are required to report every year the annual (12-month) emissions data described in §51.15 from Type A (large) point sources, as defined in Table 1 of Appendix A of this subpart. The first every-year cycle inventory will be for the 2009 inventory year and must be submitted to the EPA within 12 months, i.e., by December 31, 2010.
(1) All states are required to report for every third inventory year the annual (12-month) emissions data as described in §51.15. The first triennial inventory will be for the 2011 inventory and must be submitted to the EPA within 12 months, i.e., by December 31, 2012. Subsequent triennial inventories (2014, 2017, etc.) will be due 12 months after the end of the inventory year, i.e., by December 31 of the following year.
§51.35 How can my state equalize the emission inventory effort from year to year?
(a) Compiling a triennial inventory means more effort every 3 years. As an option, your state may ease this workload spike by using the following approach:
(2) Each year, collect data for one-third of your sources that are not Type A point sources. Collect data for a different third of these sources each year so that data has been collected for all of the sources that are not Type A point sources by the end of each 3-year cycle. You must save 3 years of data and then report all emissions from the sources that are not Type A point sources on the triennial inventory due date.
(c) If your state chooses the method of inventorying one-third of your sources that are not Type A point sources and triennial inventory nonpoint, nonroad mobile, and onroad mobile sources each year, your state must compile each year of the 3-year period identically. For example, if a process has not changed for a source category or individual plant, your state must use the same emission factors to calculate emissions for each year of the 3-year period. If your state has revised emission factors during the 3 years for a process that has not changed, you must compute previous years' data using the revised factor. If your state uses models to estimate emissions, you must make sure that the model is the same for all 3 years.
§51.40 In what form and format should my state report the data to EPA?
You must report your emission inventory data to us in electronic form. We support specific electronic data reporting formats, and you are required to report your data in a format consistent with these. The term “format” encompasses the definition of one or more specific data fields for each of the data elements listed in Tables 2a and 2b in Appendix A of this subpart; allowed code values for certain data fields; transmittal information; and data table relational structure. Because electronic reporting technology may change, contact the EPA Emission Inventory and Analysis Group (EIAG) for the latest specific formats. You can find information on the current formats at the following Internet address: http://www.epa.gov/ttn/chief/eis/2011nei/xml__data__eis.pdf. You may also call the air emissions contact in your EPA Regional Office or our Info CHIEF help desk at (919) 541-1000 or send email to info.chief@epa.gov.
§51.45 Where should my state report the data?
(a) Your state submits or reports data by providing it directly to EPA.
(b) The latest information on data reporting procedures is available at the following Internet address: http://www.epa.gov/ttn/chief. You may also call our Info CHIEF help desk at (919) 541-1000 or e-mail to info.chief@epa.gov.