Andrew Brown [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-4565-533X>),
  Georgia Harrison [ctb] (ORCID: <https://orcid.org/0000-0003-0544-4471>),
  Scott Appleby [ctb] (ORCID: <https://orcid.org/0000-0002-2031-2752>)

John W Pickering [aut],
  Dimitrios Doudesis [aut],
  Daniel Perez Vicencio [cre]

Richard L. Peters [aut, cre, cph],
  Daniel Balanzategui [ctr],
  Alexander Hurley [ctr],
  Georg von Arx [ctr],
  Angela Luisa Prendin [ctr],
  Henri E. Cuny [ctr],
  Jesper Bjoerklund [ctr],
  David C. Frank [ctr],
  Patrick Fonti [ths, ctr, fnd]

Jeffrey O Hanson [aut, cre],
  Jonathan R Rhodes [aut],
  Hugh P Possingham [aut],
  Richard A Fuller [aut]

Clinton Mccrowey [cre, aut] (United States Environmental Protection
    Agency Region 3 Air and Radiation Division),
  Timothy Sharac [ctb, rev] (United States Environmental Protection
    Agency),
  Nick Mangus [rev] (United States Environmental Protection Agency),
  Doug Jager [ctb, rev] (United States Environmental Protection Agency),
  Ryan Brown [ctb, rev] (United States Environmental Protection Agency),
  Daniel Garver [ctb, rev] (United States Environmental Protection
    Agency),
  Benjamin Wells [ctb, rev] (United States Environmental Protection
    Agency),
  Hayley Brittingham [crr, ctr] (Neptune and Company),
  Jeffrey Hollister [rev] (United States Environmental Protection Agency,
    ORCID: <https://orcid.org/0000-0002-9254-9740>),
  Edward Andrews [rev, ctb] (West Virginia Department of Environmental
    Protection, Division of Air Quality)

Johann Gaebler [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0003-3340-9542>)

Xiaohan Yan [aut, cre],
  Jacob Bien [aut]

Vijay Kumar Pounraja [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-9710-189X>)

Vyacheslav Lyubchich [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-7936-4285>),
  Geneviève Nesslage [aut] (ORCID:
    <https://orcid.org/0000-0003-1770-6803>)

Raymond Tremblay [aut, cre, cph] (ORCID:
    <https://orcid.org/0000-0002-8588-4372>),
  Andrew Tyre [aut, cph] (ORCID: <https://orcid.org/0000-0001-9736-641X>),
  Maria-Eglee Perez [aut] (ORCID:
    <https://orcid.org/0000-0001-8641-8405>),
  Sasha Tenhumberg [ctb]