National performance audit program : 1980 proficiency surveys for sulfur dioxide, nitrogen dioxide, carbon monoxide, sulfate, nitrate, lead and high volume flow /
| Data(s) |
13/01/1982
|
|---|---|
| Resumo |
Mode of access: Internet. |
| Identificador | |
| Idioma(s) |
eng |
| Publicador |
Research Triangle Park, N.C. : Environmental Monitoring Systems Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, |
| Direitos |
Items in this record are available as Public Domain, Google-digitized. View access and use profile at http://www.hathitrust.org/access_use#pd-google. Please see individual items for rights and use statements. |
| Palavras-Chave | #Air |
| Tipo |
text |
