Table 3.11
Top ten substances released and disposed of to land according to the National Pollutant Release Inventory, 2009

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Top ten substances released and disposed of to land according to the National Pollutant Release Inventory, 2009


Table summary
This table displays the results of top ten substances released and disposed of to land according to the national pollutant release inventory releases to land , on-site disposal , off-site disposal , total and share of total, calculated using tonnes and percent units of measure (appearing as column headers).

  Releases to land  Note 1 On-site disposal  Note 2 Off-site disposal  Note 3 Total Share of total
  tonnes percent
Hydrogen sulphide 0 186,832 452,593 639,425 48.9
Manganese (and its compounds) 230 192,873 5,018 198,121 15.1
Phosphorus (total) 591 97,273 10,899 108,763 8.3
Zinc (and its compounds) 363 65,689 8,645 74,697 5.7
Copper (and its compounds) 316 63,173 2,499 65,988 5.0
Nickel (and its compounds) 0 36,991 1,485 38,476 2.9
Lead (and its compounds) 164 31,028 2,878 34,070 2.6
Asbestos (friable form) 390 18,251 5,466 24,107 1.8
Methanol 32 13,376 6,082 19,489 1.5
Arsenic (and its compounds) 1 16,760 287 17,048 1.3
1.
Includes leaks, spills and other releases.
2.
Includes the following on-site disposals: containment (landfill), land treatment (farm), underground injection, tailings management and waste rock management.
3.
Includes the following off-site disposals: containment (landfill), land treatment (farm), underground injection, containment (other storage), tailings management and waste rock management.
Source(s):
Environment Canada, Pollutant Inventories and Reporting Division, 2011, National Pollutant Release Inventory (NPRI) Downloadable Datasets, www.ec.gc.ca/inrp-npri/default.asp?lang=en&n=0EC58C98- (accessed February 14, 2012).
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