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On 26 May 2015 Environment Protection Authority Victoria (EPA) began air quality testing around Ball Road, Heatherton, as a precautionary measure following some elevated readings in methane levels.
EPA authorised officers tested air quality in homes selected on the basis of proximity to the site and the type of building structure. Readings indicated there is no immediate risk to residents.
From 27 May EPA Officers have conducted further precautionary testing. Results continued to show no risk to residents or their homes. A community information session was held on 27 May, hosted by EPA where residents were able to ask EPA authorised officers questions.
Slightly elevated levels of methane gas have been detected in three service industry pits in the area, the site of a closed landfill operated by the former Brighton City Council between 1966 and 1984.
To ensure appropriate ongoing management of the gas source, EPA intends to issue the landowner with a remedial notice to undertake increased monitoring of landfill gases. EPA is also investigating issuing another notice requiring the installation of further monitoring bores to more accurately delineate the movement of landfill gas.
On 29 May 2015 all 43 homes in Heatherton tested for methane contamination were given the all clear. A notice has been issued to the landowner that requires ongoing monitoring of the area, including providing reports to EPA about any irregularities in methane levels. A final community information session was held on Friday 29 May where residents were invited to hear the full debrief of the testing regime and to ask any questions they had.
Residents who have any concerns or questions are encouraged to call EPA on 1300 372 842 (1300 EPA VIC).
What is methane?
Landfill gas is generated by the decomposition of waste in a landfill. Ninety-nine per cent of landfill gas is made up of methane and gas carbon dioxide. This fact sheet outlines what landfill gas is made up of and what causes odour.