Table 3.56
Top ten substances released to land, 2007
Archived information
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| Releases 1 | Share of total | |
|---|---|---|
| tonnes | percent | |
| Hydrogen sulphide | 253,416.2 | 62.8 |
| Total Reduced Sulphur (TRS) | 33,261.0 | 8.2 |
| Nitrate (ion in solution at pH >= 6.0) | 27,828.7 | 6.9 |
| Ammonia (total) 2 | 18,875.6 | 4.7 |
| Asbestos (friable form) | 13,747.0 | 3.4 |
| Zinc (and its compounds) | 10,966.1 | 2.7 |
| Methanol | 9,384.8 | 2.3 |
| Phosphorous (total) | 7,586.4 | 1.9 |
| Manganese (and its compounds) | 7,375.8 | 1.8 |
| Lead (and its compounds) | 6,011.2 | 1.4 |
Data include disposals.
Refers to the total of both ammonia (NH
3) and ammonium ion (NH4+) in solution.
Source(s):
Environment Canada, Pollution Data Branch, 2008, National
Pollutant Release Inventory Databases, www.ec.gc.ca/pdb/npri/npri_prev_dat_e.cfm (accessed February 2, 2009).
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