Search Frequent Questions

Displaying 1 - 15 of 19 results

• What sources make up the Tier 1 categories used in the emissions trends?

  Tier 1 categories are assigned by source classification codes (SCCs) that are the most specific processes available in the NEI. The latest SCC list with the Tier 1 assignments can be downloaded from the EPA SCC website in Comma Separate Values (CSV) format.

  • Last published: May 1, 2024

• What is the cause of the large decrease in electric utility emissions, particularly sulfur dioxide, starting in 1995?

  SO2 emissions reductions from utilities during this time are primarily attributed to the impacts of the acid rain program. As described on EPA’s Acid Rain Program web page, Phase 1 of this program began in 1995 and affected 263 units at 110 most coal-burning electric utility plants in 21 eastern…

  • Last published: May 1, 2024

• Is it permissible for a training provider to employ more than one training manager?

  Answer : Yes. The Rule requires that a training provider employ a training manager that meets the qualifications in 40 CFR 745.225(c)(1). EPA does not interpret this to be a limitation on the permissible number of training managers. Therefore, a training provider may employ more than one training manager so…

  • Last published: January 13, 2025

• Are there any changes to the registration of disinfectants due to COVID-19?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. At the federal level, EPA has published guidance on amending product registrations to add claims of efficacy against SARS-CoV-2 , claims of…

  • Last published: April 10, 2024

• Why aren’t hand sanitizers listed on List N?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. List N only includes EPA-registered surface disinfectants. Hand sanitizers, antiseptic washes and antibacterial soaps are regulated by the Food and Drug Administration…

  • Last published: April 10, 2024

• What’s the difference between products that disinfect, sanitize, and clean surfaces?

  At EPA, products used to kill viruses and bacteria on surfaces are registered as antimicrobial pesticides. Sanitizers and disinfectants are two types of antimicrobial pesticides. Action What does it do? Does EPA regulate the product? Cleaning Cleaning removes dirt and organic matter from surfaces using soap or detergents. EPA regulates cleaning products…

  • Last published: October 28, 2024

• If a renovator takes the refresher course early, would the new certification be valid for five years from the date of training, or five years from the date that the previous certification expires?

  Question : I’m a training provider and have been accredited for the renovator refresher course. If a renovator takes the refresher course early (i.e., before their previous certification has expired), would the new certification be valid for five years from the date of training, or five years from the date…

  • Last published: November 19, 2024

• I'm an accredited training provider. Can the final course assessment to be administered in an "open book" format?

  No. The training provider is responsible for maintaining the validity and integrity of the course test to ensure that it accurately evaluates the trainee’s knowledge and retention of the course topics. A course test administered in an open book format does not evaluate whether a student has sufficiently learned and…

  • Last published: November 19, 2024

• Will EPA take enforcement action against companies making false claims that their disinfectants work against SARS-CoV-2 (COVID-19)?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. Yes, EPA is authorized to take enforcement action to prevent the sale or distribution of disinfectants with false or misleading claims on…

  • Last published: April 10, 2024

• Do all renovation course instructors need to be approved as principal instructors? For example, to reach a 6:1 student-to-instructor ratio with 18 people in the class, may we have one principal instructor who teaches the entire lecture and is assisted by two additional hands-on instructors (who are not approved as principal instructors)?

  Answer: Every accredited training program must employ a qualified training manager, and it is the job of the training manager to designate a qualified principal instructor for each course. The principal instructor is responsible for the organization of the course and oversees the teaching of all course material. The training…

  • Last published: November 14, 2024

• What is an emerging viral pathogen claim?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. The National Institute of Allergy and Infectious Diseases defines “emerging infectious diseases/pathogens” as those “that have newly appeared in a population or…

  • Last published: April 10, 2024

• What is the process for EPA approval of disinfectant products related to COVID-19?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. EPA reviews and registers antimicrobial pesticides, which include disinfectants for use on pathogens like SARS-CoV-2, the coronavirus that causes COVID-19. Products expected…

  • Last published: April 10, 2024

• Does EPA regulate companies that require cleaning services claiming to disinfect for SARS-CoV-2 (COVID-19)?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. No, EPA does not license companies that provide cleaning services. However, state requirements for training, certification and licenses vary widely, so check…

  • Last published: April 10, 2024

• Do I need to register disinfectant products with EPA in order to import them?

  List N: Disinfectants for Use Against SARS-CoV-2 View List N, a searchable and sortable list of products for use against SARS-CoV-2, the novel human coronavirus that causes COVID-19. Disinfectants like those on List N must be registered with EPA before they can be imported, sold, marketed, or distributed in the…

  • Last published: April 10, 2024

• Why do mobile source NOx emissions jump higher between 2001 and 2002 on the emissions trends?

  The emissions model used for mobile sources changed from MOBILE6.2 to MOVES 2010 in December 2009. This change included a notable increase in NOx emissions. The EPA adjusted data back to 2002 to reflect the change in models. The higher emissions in 2002 are because of this method change and…

  • Last published: May 1, 2024