alcoa anglesea 2014 environment report quarter two ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 contents sulphur dioxide Q2 reports ............................................................................................................. 3 sulphur dioxide – april 2014............................................................................................................ 3 sulphur dioxide – may 2014............................................................................................................ 4 sulphur dioxide – june 2014............................................................................................................ 5 water management Q2 reports ....................................................................................................... 6 water management ......................................................................................................................... 6 environmental improvement dashboard ........................................................................................ 8 keeping you informed ...................................................................................................................... 9 2 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 sulphur dioxide Q2 reports sulphur dioxide – april 2014 Air Monitoring Quarterly Stack Testing 12/3/14 Stack SO2 kg/min Licence limit 100kg/min 87 Ambient Monitors SO2 1 hour ppb Average Maximum Community Centre 1.1 92 Bowling Club 1.9 126 Mt Ingoldsby 1.0 93 Scout Camp 1.3 108 Camp Wilkin 1.3 155 Camp Road 1.1 77 Ambient Monitors SO2 Maximum 1 hour averages (ppb) Date 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Comm Centre 41 6 1 0 0 1 12 2 0 0 0 0 0 1 0 26 4 0 0 0 92 2 1 0 46 1 0 8 80 0 Bowling Club 126 70 0 0 0 1 2 2 0 0 0 0 0 0 0 2 21 0 0 0 126 21 1 3 39 4 0 2 114 0 Mt Ingoldsby 8 0 0 0 0 0 68 3 48 0 0 0 0 0 0 93 16 1 0 0 2 4 0 0 25 0 1 2 0 0 Scout Camp 1 6 0 0 0 0 1 1 0 0 0 0 0 0 0 0 24 0 0 108 0 27 71 48 14 3 0 4 15 1 Camp Wilkin 76 2 0 0 0 0 130 1 0 0 0 0 0 0 0 83 17 0 0 0 67 1 0 0 155 0 0 1 41 0 Camp Road 72 0 0 0 0 0 2 1 0 0 0 0 0 0 0 28 66 0 0 0 77 3 2 4 25 43 0 2 37 0 EPA Air Quality Objective 200 ppb 3 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 sulphur dioxide – may 2014 Air Monitoring Quarterly Stack Testing 12/3/14 Stack SO2 kg/min Licence limit 100kg/min 87 Ambient Monitors SO2 1 hour ppb Average Maximum Community Centre 0.2 21 Bowling Club 2.0 116 Mt Ingoldsby 1.0 115 Scout Camp 3.9 150 Camp Wilkin 1.4 121 Camp Road 1.7 122 Ambient Monitors SO2 Maximum 1 hour averages (ppb) Date 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Comm Centre 0 21 0 1 0 0 0 4 4 2 1 12 1 1 1 0 0 1 0 1 0 4 0 0 2 0 1 0 0 0 2 Bowling Club 0 82 0 0 0 0 0 6 3 5 0 17 0 70 116 32 33 20 1 0 1 5 0 0 32 1 50 1 2 3 3 Mt Ingoldsby 0 0 0 0 0 0 0 82 115 1 0 36 0 0 0 1 0 0 0 0 0 57 0 0 0 1 0 0 0 1 5 Scout Camp 28 0 4 0 91 1 0 7 3 11 130 10 31 3 0 98 1 14 19 150 71 42 17 17 22 31 115 110 2 2 4 Camp Wilkin 0 0 0 0 0 0 - - 25 1 0 102 1 0 0 17 1 0 0 0 0 29 0 0 0 6 121 0 0 2 6 Camp Road 0 3 0 0 2 0 0 4 2 0 0 10 18 47 87 55 122 39 40 0 0 16 0 1 0 0 20 1 1 0 0 EPA Air Quality Objective 200 ppb 4 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 sulphur dioxide – june 2014 Air Monitoring Quarterly Stack Testing 29/5/14 Stack SO2 kg/min Licence limit 100kg/min 96 Ambient Monitors SO2 1 hour ppb Average Maximum Community Centre 2.8 140 Bowling Club 3.5 142 Mt Ingoldsby 0.1 5 Scout Camp 5.4 138 Camp Wilkin 0.8 85 Camp Road 1.7 127 Ambient Monitors SO2 Maximum 1 hour averages (ppb) Date 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Comm Centre 0 0 0 0 0 0 0 0 0 0 30 8 3 2 2 2 2 1 7 55 19 54 94 2 2 0 140 26 0 0 Bowling Club 0 2 2 14 1 1 0 1 1 19 32 3 3 1 1 1 1 0 30 142 26 43 104 26 7 2 140 83 1 1 Mt Ingoldsby 0 2 0 0 1 0 0 0 1 5 2 - - - - - - - - - - - - - - - - - - - Scout Camp 1 2 5 104 1 12 5 0 0 9 3 3 1 0 0 103 1 10 0 1 0 0 84 111 79 131 1 138 56 98 Camp Wilkin 0 1 0 0 0 0 0 0 0 0 7 22 4 0 0 0 0 0 0 58 0 17 85 0 0 0 6 0 0 0 Camp Road 0 1 0 28 0 0 0 0 0 12 11 1 0 0 0 0 0 0 11 6 1 0 127 101 69 7 4 70 0 0 EPA Air Quality Objective 200 ppb 5 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 water management Q2 reports water management Water Storage Barwon Water storage levels for the Geelong system at 72.4% capacity on 30/06/2014. A Permanent Water Savings Plan applies all year round to residents supplied with drinking water. Water discharge ML Q2 2014 13/14 Total Ashponds (SP1) 381.3 1404.3 Water Monitoring Ash pond and stormwater outlet SP1 Units EPA Limit April May June pH units 5-9 7.6 7.6 7.9 mg/L 30 <4 <4 <4 Pt-Co units 50 3 4 3 Aluminium mg/L 5 0.10 0.08 0.10 Boron mg/L 22 4.3 3.6 4.0 Iron mg/L 5 0.035 0.037 0.021 Zinc mg/L 0.4 0.014 0.018 0.010 ML/day 5 4.5 4.2 3.9 pH Suspended Solids Colour Mean daily flow rate WATER WATER USE PER MONTH (ML) JULY AUG SEPT OCT NOV DEC JAN FEB MAR APR MAY Town Water 2.6 0.9 0.8 1.2 0.9 2.6 0.9 0.6 0.7 0.9 1.4 1.1 Bore Water 184 189 209 237 228 211 274 253 306 276 251 215 Mine Groundwater 44 41 42 78 60 46 104 79 34 94 75 18 Mine Rainfall 43 50 29 45 7 33 13 6 16 7 14 33 6 JUNE ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 LAND RAINFALL (mm) JULY AUG SEPT OCT NOV DEC JAN FEB MAR APR MAY JUNE Long Term Average 64 66 66 70 56 45 44 42 41 51 59 61 2013-2014 Rainfall 93 110 73 84 78 69 29 12 34 88 31 71 TOTAL 2013-2014 Rainfall Total 771 Long Term Average Total 665 WATER TOWN WATER USE (ML) 2005 201213 JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN Amenity Water Use 0.2 0.3 1.0 0.2 0.1 0.4 0.3 0.3 0.2 0.2 0.2 0.2 0.4 0.4 Process Water use 1.1 1.4 1.6 0.7 0.6 0.8 0.6 2.3 0.7 0.5 0.5 0.7 1.0 0.7 AIR GREENHOUSE GAS (GHG) TOTAL (Mt) & GHG EMISSION EFFICIENCY (t/MwH) GHG t GHG t/MWh 2005 2006 2007 2008 2009 2010 2011-2012 2012-2013 2013-2014 1309674 1491486 1396713 1452351 1361632 1442450 1366561 1215882 1339466 1.21 1.20 1.18 1.23 1.22 1.20 1.21 1.21 1.19 7 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 environmental improvement dashboard Environmental Management Targets Apr May June 13/14 Total 13/14 Forecast 13/14 Target Reportable Environmental Incidents (#) 0 0 0 3 3 0 Env Near Miss vs Env Incident Run Rate (ratio) 7 4 4 4 4 3 Monthly EHS ASAT Audit Completion (%) 100 100 100 100 100 90 Air Emission Targets Apr May June 13/14 Total 13/14 Forecast 13/14 Target Ambient SO2 (no. Readings > 200ppb) 0 0 0 0 0 0 Stack SO2 (no. Hrs > 100kg/min) 0 0 0 0 0 0 GHG Efficiency (t CO2 e/MWh) 1.16 1.16 1.19 1.18 1.18 1.20 Water Targets Apr May June 13/14 Total 13/14 Forecast 13/14 Target Town Water (ML) 0.9 1.4 1.1 14.6 14.6 14.0 Groundwater (ML) 370 326 233 3547 3547 4000 Waste Targets Apr May June 13/14 Total 13/14 Forecast 13/14 Target Waste to Landfill (t) 2.76 0.00 0.00 63.9* 63.9 11.00 Solid Prescribed Waste to Landfill (t) 0.1 0.00 0.00 1.26 1.26 1.00 *waste to landfill for this reporting period included a significant amount of historical and 2013 shutdown waste. Mine Rehabilitation Targets Q2 Total 13/14 Total 13/14 Target Area to Clear (ha) 1.20 1.20 NA Area to Rehabilitate (ha) 2.35 2.35 NA 8 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2014 keeping you informed Alcoa Anglesea has a range of activities and publications available to people who would like to learn more about Alcoa. This environment report, along with other environment and business matters pertaining to Alcoa, are discussed at the regular Alcoa Anglesea Community Consultation Network meeting. Please contact us or visit our website for further information. Anglesea Power Station Camp Road Anglesea, Victoria 3230 Australia Tel: 613 5263 4200 Fax: 613 5263 4203 Email: [email protected] Web: www.alcoa.com.au/anglesea 9