Search Frequent Questions
Filter By:
- Air Emissions Inventories Total results: 33
-
Coronavirus (COVID-19)
Total results: 93
- Allowable costs Total results: 8
- Disinfectants Total results: 11
- Disruption of Operations Total results: 7
- Drinking water Total results: 5
- Emergency Management Total results: 1
- Extensions Total results: 1
- General information about Coronavirus (COVID-19) Total results: 1
- Grant Competitions Total results: 3
- Grant Procedures Total results: 3
- Indoor air quality Total results: 14
- List N Total results: 4
- Questions from State, Local and Tribal Leaders Total results: 10
- Registration and Enforcement Total results: 8
- Suspension and Debarment Total results: 4
- Waste Total results: 8
- Wastewater and septic systems Total results: 5
- Asbestos Total results: 125
- East Palestine, Ohio Train Derailment Total results: 108
- Emergency Planning and Community Right-to-Know Total results: 301
- Fuel Program Total results: 693
- Great Lakes Funding Total results: 45
- Lead Total results: 397
- MOVES Total results: 51
- Norwood Landfill Site Total results: 30
- Oil Regulations Total results: 63
- Permitting Under the Clean Air Act Total results: 19
- Radiation Total results: 118
- RadNet Total results: 33
- Risk Management Program (RMP) Total results: 284
Displaying 16 - 30 of 126 results
-
How do the different parts of particulate matter (PM) fit together?
The various parts of PM in the NEI are related as follows. PM10-FIL > PM25-FIL because PM10-FIL includes PM25-FIL PM25-PRI = PM25-FIL + PM-CON This equation only applies at the process level. Because some sources only can report PM2.5 (due to test method differences), this equation does not apply to…
- Last published:
-
Will an Ozone Generator protect me and my family from COVID-19?
No, do not use ozone generators in occupied spaces. When used at concentrations that do not exceed public health standards, ozone applied to indoor air does not effectively remove viruses, bacteria, mold, or other biological pollutants. Visit the Centers for Disease Control and Prevention's website for best practices to protect…
- Last published:
-
How complete are the data in the National Emissions Inventory?
While the goal of the National Emissions Inventory (NEI) program is to include all emissions data, there are always challenges meeting this goal. The answer about completeness of coverage of sources depends on the emissions sector and pollutant. In general, the criteria air pollutants and precursors (CAPs) are expected to…
- Last published:
-
Where is more information available about emissions estimation methods used by the EPA?
For criteria air pollutants and precursors as well as for hazardous air pollutants, the methods are described in the technical support document (TSD) for the latest National Emissions Inventory (NEI) available from the main NEI page . For greenhouse gas emissions, you can find greenhouse gas inventory methods from the…
- Last published:
-
Can I get access to the Emissions Inventory System if I am not a data provider to EPA?
The Emission Inventory System (EIS) is a secured database for EPA and State/Local and Tribal Air Agencies only. The EIS is used to develop the National Emission Inventory (NEI). While you cannot have access to EIS, you can have access to the current and past NEIs through EPA’s NEI website…
- Last published:
-
Will an air cleaner or air purifier help protect me and my family from COVID-19 in my home?
When used properly, air purifiers can help reduce airborne contaminants including viruses in a home or confined space. However, by itself, a portable air cleaner is not enough to protect people from COVID-19. When used along with other best practices recommended by the Centers for Disease Control and Prevention, operating…
- Last published: