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Whitehaven Coal Limited : Annual Report 2013
39 Whitehaven Coal Limited Annual Report 2013 Environmental Incidents -- FY2013 Project Date Nature of Breach Rectification and Prevention activity Whitehaven CHPP 7 August 2012 Noise Investigation with acoustic consultant to identify the cause of elevated noise levels. EPA applied a Pollution Reduction Program to the CHPP Environment Protection Licence to undertake mitigation measures at the CHPP to ensure ongoing compliance is achieved. The associated property has been purchased by Whitehaven Coal. Rocglen mine 28 September 2012 Noise 1dB exceedance of noise criteria. Met with a ected landholder to discuss options for mitigation or noise reduction, including implementation of real time noise management at site. Activation of real time noise management has resulted in ongoing compliance. Narrabri mine 17 January 2013 Trucking Trial Narrabri Coal commenced a trial trucking program of coal to the Gunnedah CHPP following a derailment that prevented Narrabri Coal being transported by rail. DoPI issued advice con rming that the trucking trial was a breach of the Narrabri approval, which required all coal to be transported by rail. The trucking trial had ceased prior to the notice being issued. No regulatory action was taken by the DoPI. Melville Emplacement Area 30 January 2013 Water Discharge A contour failure resulted in surface water ows o site during a wet weather event. The surface ows comprised coal nes, which ended up in a dam o the Melville emplacement site. The contour was subsequently repaired and additional surface water detention structures constructed on the site. The impacted dam was drained and cleaned to the satisfaction of all parties. The EPA issued two Penalty Infringement Notices related to pollution of waters and failure to maintain structures in proper operating condition. Whitehaven CHPP 15 April 2013 Dust Exceedance of air quality criteria (PM106 24hr criteria). Whilst composition analysis of the dust identi ed coal dust comprised just 20% of the sample, it still constituted an exceedance of the air quality criteria. A meeting was held with the a ected landholders to discuss options including dust mitigation measures at site and the possible tment of a rst ush diverter system on the residence rainwater tank to minimise potential for coal dust to enter the tank. Whitehaven CHPP 19 April 2013 Noise Measured exceedance of noise criteria at adjacent property. Noise mitigation measures undertaken since prior exceedance had not been su cient to achieve compliance. As a consequence, an agreement for purchase of the property was reached with the a ected landholder. Whitehaven CHPP 3 May 2013 Dust Exceedance of air quality criteria (PM10 24hr criteria). As with the previous incident, there were various contributions to dust levels, including farming of adjacent paddocks. A meeting was held with the a ected landholders to discuss options including dust mitigation measures at site and the possible tment of a rst ush diverter system on the residence rainwater tank to minimise potential for coal dust to enter the tank. Whitehaven CHPP 9 May 2013 Dust Exceedance of air quality criteria (PM10 24hr criteria). As with the previous incident, there were various contributions to dust levels, including farming of adjacent paddocks. A meeting was held with the a ected landholders to discuss options for resolution, including activation of sprays on bypass stockpiles, use of water carts on access road, use of street sweeper on access road and highway to reduce dust lift o . Narrabri mine 21 May 2013 Noise An exceedance of noise criteria was measured at an adjacent private property. The EPA issued a warning letter requiring the site to return to compliance. A meeting has been held with the a ected landholder with a view to achieving noise compliance or entering into appropriate arrangements with the a ected landholder. Since this event, measured noise levels have been within compliance limits. 6 PM10 -- for further descriptions of PM10 thresholds and other air quality monitoring standards please refer to the de nitions on page 44 of this report. 5 Environment
Annual Report 2012