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Licence conditions for pollution studies and reduction program
Licence conditions for pollution studies and reduction programs
Summary
Licence number:
5590
Title:
Dust Suppression Operations at Northern and Southern Tailings Storage Facility
Start date:
18 Sep 2019
Licence Condition
The Licensee will complete the works by the following dates:
The Licensee will complete the following works under the PRP: Cover the entire surface of the Northern Tailings Storage Facility (NTSF) and Southern Tailings Storage Facility (STSF) with a dust suppression product While the TSFs aren't in operation, engage an independent 3rd party provider to supply or operate a fleet of appropriate equipment to apply the suppression product on an ongoing basis, including any ongoing maintenance required While TSFs aren't in operation maintain coverage of the entire surface at all times Promptly respond to all dust events which includes the maintenance and reapplication of any disturbed cover and communication with potentially impacted downwind receptors Provide progress reports to the EPA detailing the dust suppressant program for the Tailings Storage Facilities. The written report must be submitted until operations of the Tailings Storage Facilities has commenced. The first report must be submitted to the EPA on 1 December 2021 and an update submitted every three months thereafter.
The licensee will be required to engage a suitably qualified independent consultant to develop and undertake an Air Quality Dispersion Model which includes but is not limited to the following: Identify the approximate quantity of dust which is lifting from the TSFs on an annual basis. Model the wind speed and direction which is typically experienced at each of the TSFs. Identify the conditions under which dust is lifted from the TSFs and potentially deposited offsite. Identify the distance dust travels away from the STF, the concentration of dust and the sedimentation/ deposition of dust as it moves further from the point source. Condition U1.3 must be completed and a report supplied to the EPA by no later than 5pm Friday 8 October 2021.
The licensee will be required to develop a Trigger Action Response Plan (TARP) based on the information obtained from the dust modelling program. Condition U1.4 must be completed and adopted by no later than 5pm Friday 29 October 2021.