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  1. Symbols
  2. Note to readers
  3. Acknowledgements
  4. Note of appreciation
  5. Standards of service to the public
  6. Copyright


The following standard symbols are used in Statistics Canada publications:

not available for any reference period
not available for a specific reference period
not applicable
true zero or a value rounded to zero
value rounded to 0 (zero) where there is a meaningful distinction between true zero and the value that was rounded
suppressed to meet the confidentiality requirements of the Statistics Act
use with caution
too unreliable to be published
significantly different from reference category (p < 0.05)

Note to readers

Corrections have been made to this product.

The publication has been reloaded on September 7, 2012

Please take note of the following change(s):

The following tables and charts have been changed:
Tables 1 to 16 
Charts 1 to 2

We regret any inconvenience this may have caused.

For more information please contact us.


The cooperation of survey respondents was critical to the successful completion of this publication and is gratefully acknowledged.

This report was prepared by the Environment Accounts and Statistics Division under the direction of Robert Smith, Director and John Marshall, Chief, Environmental Protection Accounts and Surveys. Data collection for this survey was conducted by the Operations and Integration Division (Kevin Roberts, Director) and the Environment Accounts and Statistics Division.

Murray Cameron, Senior Project Officer, Environment Protection Accounts and Surveys, managed the survey and wrote the report. Sarah Herring was responsible for the compilation of the report and Marc Lavergne conducted the data quality review. Major contributions to the project were made at various times by:

  1. Emily Cheslock
    Monique Deschambault
    Manon C. Dupuis
    Claude Girard
    Don Grant
    Martin Hamel
    Laurie Jong
    Douglas Keeting
    Sébastien Labelle-Blanchet
    Véronique Lafleur
    Hugo Larocque
    Shannon Leonard
    Geneviève Clavet
    Smart Publishing Unit Team

Note of appreciation

Canada owes the success of its statistical system to a long-standing partnership between Statistics Canada, the citizens of Canada, its businesses, governments and other institutions. Accurate and timely statistical information could not be produced without their continued cooperation and goodwill.

Standards of service to the public

Statistics Canada is committed to serving its clients in a prompt, reliable and courteous manner. To this end, Statistics Canada has developed standards of service that its employees observe.


Published by authority of the Minister responsible for Statistics Canada

© Minister of Industry, 2012

All rights reserved. Use of this publication is governed by the Statistics Canada Open License Agreement:

September 2012

Catalogue no. 16-401-X

ISSN 1916-1514

Frequency: Biennial


Environment Accounts and Statistics Division

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