National Air Pollution Surveillance (NAPS) Network, air quality in Canada
Subtitle: 2001 summary and 1990-2001 trend analysis.
Contributors: Canada. Environment Canada.; Canada.
Series: Environmental protection series
Publisher: Environmental Technology Advancement Directorate, Environmental Protection Service, Environment Canada
Published: 2004
Place of publication: Ottawa
Language: eng
Number of pages: 94
Subjects: Air -- Pollution -- Canada -- Measurement.; Air quality monitoring stations -- Canada -- Statistics.
Genres: Statistics.
Notes: Issued also in French under title: Réseau national de         surveillance de la pollution atmosphérique (RNSPA), la qualité de l'air au Canada, sommaire pour 2001 et analyse des tendances pour 1990-2001.

Includes bibliographical references (p. 93-94)

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