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Residents living near the Glenridge Quarry Naturalization Site may occasionally see plumes of gas from the site's flare stacks. These flare-ups happen as a result of the landfill gas control system and are completely safe.
Landfill gas does not pose a health risk to residents living near the site.
As buried waste within the Glenridge Quarry Naturalization Site breaks down, landfill gas is generated. The Glenridge Quarry Naturalization Site uses a landfill gas control system to manage the landfill gases and odours that are produced.
Landfill gas consists of the following gases:
Methane is a greenhouse gas that contributes to global warming. When the gas is collected and combusted through the flare, the methane is converted to carbon dioxide.
Carbon dioxide is 21 times less damaging to the ozone layer than methane.
After combustion of the landfill gas in the control system, these compounds are almost completely eliminated. Any unpleasant odours associated with decomposing waste are also eliminated.
While compounds such as methane, carbon dioxide and hydrogen sulphide may be harmful at high concentrations, the low levels found in landfill gas do not pose a risk to human health.
The system is operated according to Ministry of the Environment standards.