Southern Cross Operations Annual Environmental Report 2008 - 2009
Southern Cross Operations Annual Environmental Report 2008 - 2009
Southern Cross Operations Annual Environmental Report 2008 - 2009
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<strong>2009</strong> <strong>Annual</strong> <strong>Environmental</strong> <strong>Report</strong><strong>Southern</strong> <strong>Cross</strong> <strong>Operations</strong>7.3 Surface Water (Salt Lake Discharges)Whilst SXO no longer discharges saline water to Banker Lake, Lake Polaris or<strong>Southern</strong> Star Lake, it continues to conduct photo monitoring at Banker Lake inaccordance with Condition W8 of EP Act Licence 4597/12. Monitoring photographsare required to be taken from ten monitoring points at six month intervals (summer andwinter). The Banker Lake photographic monitoring is presented in Appendix 6.Photographic monitoring is beginning to indicate a slight and gradual recovery of theecosystem. St Barbara intends to commission an Ecosystem Recovery <strong>Report</strong> in<strong>2009</strong>/2010 to attempt to quantify any improvements, define recovery indicators andmilestones, and identify any management actions that may support further recovery.7.4 Hydrocarbon and Waste ManagementHydrocarbon waste generated by the SXO (St Barbara and contractors) is collected byWren Oil for recycling or disposal. The quantities of hydrocarbon wastes removed fromsite are summarised in Table 7-4.Table 7-4: Waste Hydrocarbon Disposal and Recycling SummaryItem Units Quantity Disposal MethodFilters m 3 7 Removed offsite andrecycledGrease kg 0 Removed offsite andincineratedOily Water L 26 500 Removed offsite andrecycledWaste Oil L 111 750 Removed offsite andrecycledHydrocarbon waste m 3 22 Removed offsite andincineratedAll washdown bays were regularly audited and discharge waters analysed for totalpetroleum hydrocarbons (TPH) to monitor the effectiveness of oily water separationsystems. Improvements made during the previous reporting period (2007/<strong>2008</strong>) haveresulted in increased reliability and operation of both the Barminco and Hampton’swashdown bays.A recycling programme is in place for all operational sites at SXO. This programmefocuses on materials such as cardboard, paper and aluminium cans. Stores personnelnow have a greater involvement in managing the recycling despatch yard, and as aresult, crates and other containers are sent of site, and returned, more frequently.47
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