alcoa anglesea 2013 environment report quarter two ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 Contents sulphur dioxide Q2 reports ........................................................................................................... 3 sulphur dioxide – april 2013.......................................................................................................... 3 sulphur dioxide – may 2013.......................................................................................................... 4 sulphur dioxide – june 2013.......................................................................................................... 5 particulate monitoring Q2 reports ................................................................................................ 6 particulate (pm10) – april 2013 ...................................................................................................... 6 particulate (pm10) – may 2013 ...................................................................................................... 7 particulate (pm10) – june 2013 ...................................................................................................... 8 particulate (pm2.5) – april 2013 ..................................................................................................... 9 particulate (pm2.5) – may 2013 ................................................................................................... 10 particulate (pm2.5) – june 2013 ................................................................................................... 11 water management Q2 reports ................................................................................................... 12 water management ..................................................................................................................... 12 environmental improvement dashboard .................................................................................... 14 environment improvement plan Q2 status update .................................................................... 15 eip update air management ........................................................................................................ 15 eip update water management ................................................................................................... 17 eip update land management ..................................................................................................... 19 eip update waste management .................................................................................................. 20 eip update environmental management ..................................................................................... 21 eip update community engagement ........................................................................................... 21 keeping you informed .................................................................................................................. 22 2 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 sulphur dioxide Q2 reports sulphur dioxide – april 2013 Air Monitoring Stack Monitors Average Maximum 70.0 93.7 Ambient Monitors SO2 1 hour ppb Average Maximum Community Centre 0.1 53 Bowling Club 0.6 54 Mt Ingoldsby 0.3 38 Scout Camp 4.2 126 Camp Wilkin 0.2 93 Camp Road 0.2 37 Stack SO2 kg/min 1-hour average Licence limit 100kg/min 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 2 2 0 0 0 2 0 1 0 0 0 0 0 0 0 1 53 0 0 0 0 0 0 0 0 0 Bowling Club 1 0 0 0 2 2 2 1 0 0 2 1 1 1 0 2 0 0 1 0 54 17 1 1 0 1 2 2 1 3 Mt Ingoldsby 0 0 0 1 1 38 1 0 0 1 2 3 5 0 0 1 0 0 4 1 21 1 0 2 1 0 0 0 1 2 Scout Camp 70 45 1 0 3 3 13 2 0 1 0 1 93 2 1 0 1 0 0 1 7 47 5 109 111 126 0 0 0 1 Camp Wilkin 0 0 0 0 2 1 0 0 0 1 0 1 0 0 0 0 0 0 0 1 93 20 0 0 0 0 0 0 0 0 Camp Road 2 0 0 0 2 2 37 0 0 1 1 0 22 0 0 0 1 0 0 0 24 2 0 0 1 0 0 0 0 1 EPA Air Quality Objective 200 ppb 3 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 sulphur dioxide – may 2013 Air Monitoring Stack Monitors Average Maximum 0 0 Ambient Monitors SO2 1 hour ppb Average Maximum Community Centre 0 13 Bowling Club 0.6 17 Mt Ingoldsby 0 13 Scout Camp 0.3 24 Camp Wilkin 0 13 Camp Road 0.1 19 Stack SO2 kg/min 1-hour average Licence limit 100kg/min Note – the Anglesea Power Station was offline for all of May, however there was a large DEPI burn in early May which contributed to SO2 readings 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 0 0 0 0 13 1 0 6 2 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2 0 0 0 Bowling Club 0 1 0 1 1 17 3 2 7 1 2 2 2 1 0 1 0 - - - 2 - 2 0 2 0 1 0 2 1 0 Mt Ingoldsby 1 4 0 0 1 13 2 4 11 3 3 1 0 1 4 1 1 0 0 1 0 2 0 1 0 0 0 3 1 1 0 Scout Camp 0 0 0 0 0 24 3 3 8 2 3 7 2 0 0 0 0 0 0 0 0 1 0 1 0 0 0 6 1 0 0 Camp Wilkin 0 0 0 0 0 13 1 0 7 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 Camp Road 1 1 0 1 0 19 1 1 1 1 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 0 1 1 1 0 0 EPA Air Quality Objective 200 ppb 4 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 sulphur dioxide – june 2013 Air Monitoring Stack Monitors Average Maximum 44.2 91.8 Ambient Monitors SO2 1 hour ppb Average Maximum Community Centre 0 44 Bowling Club 0.7 33 Mt Ingoldsby 0.8 154 Scout Camp 0.2 27 Camp Wilkin 0 87 Camp Road 0.4 70 Stack SO2 kg/min 1-hour average Licence limit 100kg/min 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 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 0 0 1 0 0 0 0 44 11 0 0 Bowling Club 0 0 0 0 2 0 1 1 0 0 0 1 3 0 0 1 1 1 2 31 2 1 2 0 2 13 33 30 31 0 0 Mt Ingoldsby 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 2 1 2 151 3 1 1 0 10 1 154 1 0 0 Scout Camp 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 2 7 3 1 1 1 13 0 8 27 6 0 Camp Wilkin 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 18 5 2 1 1 0 1 0 87 5 0 0 Camp Road 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 7 1 2 2 1 1 4 32 70 16 0 0 EPA Air Quality Objective 200 ppb 5 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 particulate monitoring Q2 reports particulate (pm10) – april 2013 Ambient Monitors PM10 24 hr average (ug/m3) Monthly Average Concentration Monthly Maximum 24 hr Average Barwon Water Forest Rd Basin 15.2 30 Camp Wilkin 20.9 76 Camp Road 18.1 36 Key points from the April monitoring results: 3 There was one exceedance of the State Environment Protection Policy (Ambient Air Quality) Objective limit of 50 ug/m . 3 The monthly maximum 24hr average at Barwon Water of 30 ug/m occurred on April 27 when the wind was not from the direction of Alcoa’s operations. The monthly maximum 24 hr average at Camp Wilkin of 76 ug/m3 occurred on April 27 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. 3 The monthly maximum 24hr average at Camp Road of 36 ug/m occurred on April 30 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. Monitoring notes: The PM10 monitoring program is a 12 month monitoring program conducted by NATA accredited contractors. The ambient PM10 data at each site is reflective of dust from all ambient sources and all wind directions, not just from Alcoa’s operations. The highlighted cells in the table below indicate that the wind was from the direction of Alcoa’s operations for at least 1 hour of the day. The cells not highlighted indicate the wind was not from direction of Alcoa’s operations, and therefore the PM10 concentrations did not come from Alcoa. The Barwon Water Forest Road Basin site is a background/control site, located to the north of Alcoa’s operations. The Barwon Water Wind Direction segment = 210-235 degrees, the Camp Wilkin Wind Direction segment = 275-25 degrees and the Camp Road Wind Direction segment = 290-340 degrees. Ambient Monitors PM10 24 hour averages (ug/m3) 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 Barwon Water 11 12 13 8 5 11 12 16 20 5 9 9 Camp Wilkin 13 18 27 17 18 39 28 27 26 24 19 25 25 17 11 13 8 16 25 24 14 6 8 13 15 15 76 22 14 25 Camp Road 13 16 21 14 15 31 27 24 22 19 16 19 24 15 11 8 16 22 20 19 7 18 9 8 14 29 23 23 19 22 14 21 25 17 SEPP AAQ Objective – 50 ug/m3 6 9 9 10 12 30 21 15 15 - - - - - 36 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 particulate (pm10) – may 2013 Ambient Monitors PM10 24 hr average (ug/m3) Monthly Average Concentration Monthly Maximum 24 hr Average Barwon Water Forest Rd Basin 13.5 34 Camp Wilkin 17.6 51 Camp Road 13.8 35 Key points from the May monitoring results: 3 There was one exceedance of the State Environment Protection Policy (Ambient Air Quality) Objective limit of 50 ug/m . 3 The monthly maximum 24hr average at Barwon Water of 34 ug/m occurred on May 3 when the wind was not from the direction of Alcoa’s operations. The monthly maximum 24 hr average at Camp Wilkin of 51 ug/m3 occurred on May 3 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. 3 The monthly maximum 24hr average at Camp Road of 35 ug/m occurred on May 3 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. Monitoring notes: The PM10 monitoring program is a 12 month monitoring program conducted by NATA accredited contractors. The ambient PM10 data at each site is reflective of dust from all ambient sources and all wind directions, not just from Alcoa’s operations. The highlighted cells in the table below indicate that the wind was from the direction of Alcoa’s operations for at least 1 hour of the day. The cells not highlighted indicate the wind was not from the direction of Alcoa’s operations, and therefore the PM10 concentrations did not come from Alcoa. The Barwon Water Forest Road Basin site is a background/control site, located to the north of Alcoa’s operations. The Barwon Water Wind Direction segment = 210-235 degrees, the Camp Wilkin Wind Direction segment = 275-25 degrees and the Camp Road Wind Direction segment = 290-340 degrees. Ambient Monitors PM10 24 hour averages (ug/m3) 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 Barwon Water 12 15 34 17 13 20 19 25 29 33 20 5 6 6 8 7 6 6 7 10 15 10 17 14 - 6 Camp Wilkin 14 17 51 22 18 19 25 22 35 50 34 22 4 5 5 9 8 11 9 7 17 26 15 11 11 14 13 20 16 9 6 Camp Road 24 31 35 22 14 15 20 17 28 27 25 19 6 7 6 8 6 7 6 6 7 7 6 9 SEPP AAQ Objective – 50 ug/m3 7 11 12 6 9 9 9 12 13 8 7 9 10 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 particulate (pm10) – june 2013 Ambient Monitors PM10 24 hr average (ug/m3) Monthly Average Concentration Monthly Maximum 24 hr Average Barwon Water Forest Rd Basin 8.9 14 Camp Wilkin 16.0 27 Camp Road 10.1 21 Key points from the June monitoring results: 3 There were no exceedance of the State Environment Protection Policy (Ambient Air Quality) Objective limit of 50 ug/m . 3 The monthly maximum 24hr average at Barwon Water of 14 ug/m occurred on June 14 when the wind was not from the direction of Alcoa’s operations. The monthly maximum 24 hr average at Camp Wilkin of 27 ug/m3 occurred on June 13 when the wind was not from the direction of Alcoa’s operations. 3 The monthly maximum 24hr average at Camp Road of 21 ug/m occurred on June 14 when the wind was not from the direction of Alcoa’s operations. Monitoring notes: The PM10 monitoring program is a 12 month monitoring program conducted by NATA accredited contractors. The ambient PM10 data at each site is reflective of dust from all ambient sources and all wind directions, not just from Alcoa’s operations. The highlighted cells in the table below indicate that the wind was from the direction of Alcoa’s operations for at least 1 hour of the day. The cells not highlighted indicate the wind was not from the direction of Alcoa’s operations, and therefore the PM10 concentrations did not come from Alcoa. The Barwon Water Forest Road Basin site is a background/control site, located to the north of Alcoa’s operations. The Barwon Water Wind Direction segment = 210-235 degrees, the Camp Wilkin Wind Direction segment = 275-25 degrees and the Camp Road Wind Direction segment = 290-340 degrees. Ambient Monitors PM10 24 hour averages (ug/m3) 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 Barwon Water 8 5 5 7 Camp Wilkin 13 19 12 13 6 6 15 15 12 11 12 20 27 26 17 17 7 14 19 25 20 27 15 15 18 17 13 24 18 8 Camp Road 11 13 6 5 9 8 9 5 2 3 4 8 9 9 7 9 8 9 13 14 14 7 8 4 10 16 19 21 13 16 7 SEPP AAQ Objective 50 ug/m3 8 6 7 7 11 14 13 10 8 9 10 9 14 11 8 12 19 9 8 13 7 7 13 10 6 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 particulate (pm2.5) – april 2013 Ambient Monitors PM2.5 24 hr average (ug/m3) Monthly Average Concentration Monthly Maximum 24 hr Average Barwon Water Forest Rd Basin 5.4 19 Camp Wilkin 4.5 22 Camp Road 5.1 18 Key points from the April monitoring results: 3 There were no exceedances of the NEPM PM2.5 Variation Advisory Goal of 25 ug/m . 3 The monthly maximum 24hr average at Barwon Water of 19 ug/m occurred on April 6 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. The monthly maximum 24 hr average at Camp Wilkin of 22 ug/m3 occurred on April 6 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. 3 The monthly maximum 24hr average at Camp Road of 18 ug/m occurred on April 6 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. Monitoring notes: The PM2.5 monitoring program is a 12 month monitoring program conducted by NATA accredited contractors. The ambient PM2.5 data at each site is reflective of dust from all ambient sources and all wind directions, not just from Alcoa’s operations. The highlighted cells in the table below indicate that the wind was from the direction of Alcoa’s operations for at least 1 hour of the day. The cells not highlighted indicate the wind was not from the direction of Alcoa’s operations, and therefore the PM10 concentrations did not come from Alcoa. The Barwon Water Forest Road Basin site is a background/control site, located to the north of Alcoa’s operations. The Barwon Water Wind Direction segment = 210-235 degrees, the Camp Wilkin Wind Direction segment = 275-25 degrees and the Camp Road Wind Direction segment = 290-340 degrees. Ambient Monitors PM2.5 24 hour averages (ug/m3) 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 Barwon Water 2 4 3 2 6 19 13 13 7 10 5 8 8 5 2 1 2 4 3 4 6 3 2 2 3 5 6 5 5 5 Camp Wilkin 1 1 3 1 5 22 10 9 6 6 2 6 5 2 1 2 3 3 3 3 4 1 2 3 2 5 6 5 3 12 Camp Road 3 4 5 4 5 18 13 10 9 8 6 6 6 5 2 2 1 4 5 5 4 1 1 2 1 3 7 5 2 9 NEPM PM2.5 Variation Advisory Goal 25 ug/m3 9 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 particulate (pm2.5) – may 2013 Ambient Monitors PM2.5 24 hr average (ug/m3) Monthly Average Concentration Monthly Maximum 24 hr Average Barwon Water Forest Rd Basin 4.5 13 Camp Wilkin 7.1 28 Camp Road 5.9 19 Key points from the May monitoring results: 3 There was one exceedance of the NEPM PM2.5 Variation Advisory Goal of 25 ug/m . 3 The monthly maximum 24hr average at Barwon Water of 13 ug/m occurred on May 11 when the wind was not from the direction of Alcoa’s operations. The monthly maximum 24 hr average at Camp Wilkin of 28 ug/m3 occurred on May 10. Whilst the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date, the Power Station was offline and DEPI were conducting a prescribed burn within the wind direction segment for Camp Wilkin. 3 The monthly maximum 24hr average at Camp Road of 19 ug/m occurred on May 2 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. Monitoring notes: The PM2.5 monitoring program is a 12 month monitoring program conducted by NATA accredited contractors. The ambient PM2.5 data at each site is reflective of dust from all ambient sources and all wind directions, not just from Alcoa’s operations. The highlighted cells in the table below indicate that the wind was from the direction of Alcoa’s operations for at least 1 hour of the day. The cells not highlighted indicate the wind was not from the direction of Alcoa’s operations, and therefore the PM10 concentrations did not come from Alcoa. The Barwon Water Forest Road Basin site is a background/control site, located to the north of Alcoa’s operations. The Barwon Water Wind Direction segment = 210-235 degrees, the Camp Wilkin Wind Direction segment = 275-25 degrees and the Camp Road Wind Direction segment = 290-340 degrees. Ambient Monitors PM2.5 24 hour averages (ug/m3) 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 Barwon Water 3 4 5 5 2 4 9 6 9 11 13 8 0 2 3 4 2 - 3 4 2 7 2 1 2 4 2 8 6 - 3 Camp Wilkin 5 5 6 5 3 7 13 8 17 28 13 8 0 1 2 2 1 5 5 3 12 18 4 8 4 4 5 13 9 4 2 Camp Road 15 19 6 8 3 6 9 6 10 10 13 8 2 2 4 4 4 4 3 10 3 2 3 3 5 2 4 6 3 2 NEPM PM2.5 Variation Advisory Goal 25 ug/m3 10 5 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 particulate (pm2.5) – june 2013 Ambient Monitors PM2.5 24 hr average (ug/m3) Monthly Average Concentration Monthly Maximum 24 hr Average Barwon Water Forest Rd Basin 3.1 8 Camp Wilkin 7.6 21 Camp Road 3.8 7 Key points from the June monitoring results: 3 There was no exceedance of the NEPM PM2.5 Variation Advisory Goal of 25 ug/m . 3 The monthly maximum 24hr average at Barwon Water of 8 ug/m occurred on June 21 and June 22 when the wind was not from the direction of Alcoa operations. The monthly maximum 24 hr average at Camp Wilkin of 21 ug/m3 occurred on June 22 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. 3 The monthly maximum 24hr average at Camp Road of 7 ug/m occurred on June 8 when the wind was from the direction of Alcoa’s operations for a minimum of 1hr on the identified date. Monitoring notes: The PM2.5 monitoring program is a 12 month monitoring program conducted by NATA accredited contractors. The ambient PM2.5 data at each site is reflective of dust from all ambient sources and all wind directions, not just from Alcoa’s operations. The highlighted cells in the table below indicate that the wind was from the direction of Alcoa’s operations for at least 1 hour of the day. The cells not highlighted indicate the wind was not from the direction of Alcoa’s operations, and therefore the PM10 concentrations did not come from Alcoa. The Barwon Water Forest Road Basin site is a background/control site, located to the north of Alcoa’s operations. The Barwon Water Wind Direction segment = 210-235 degrees, the Camp Wilkin Wind Direction segment = 275-25 degrees and the Camp Road Wind Direction segment = 290-340 degrees. Ambient Monitors PM2.5 24 hour averages (ug/m3) 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 Barwon Water 2 2 2 0 2 2 2 2 4 5 3 5 2 3 3 2 1 2 1 4 2 3 5 3 6 Camp Wilkin 3 - 14 6 3 2 6 7 7 7 6 5 4 4 5 3 3 6 13 20 16 21 6 3 2 9 9 15 12 2 Camp Road 6 4 3 2 3 3 7 6 5 4 6 5 6 4 5 3 4 1 3 2 3 1 4 2 NEPM PM2.5 Variation Advisory Goal 25 ug/m3 11 7 4 8 5 8 5 2 2 3 3 2 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 water management Q2 reports water management Water Storage Barwon Water storage levels for the Geelong system at 68.2% capacity on 30/06/2013. A Permanent Water Savings Plan applies all year round to residents supplied with drinking water. Water discharge ML Q2 2013 12/13 Total Ashponds (SP1) 267.3 1211.2 Ash pond and stormwater outlet – SP1 Water Monitoring Units EPA Limit April May June pH units 5-9 7.8 7.6 7.6 mg/L 30 <4 <4 <4 Pt-Co units 50 3 3 3 Aluminium mg/L 5 0.05 0.07 0.06 Boron mg/L 22 3.1 5.0 2.5 Iron mg/L 5 0.24 0.28 0.29 Zinc mg/L 0.4 0.007 0.018 0.040 ML/day 5 3.5 0.94 4.4 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 2.1 0.9 1.1 1.1 1.4 1.6 1.4 1.4 1.9 2.5 1.7 3.5 Bore Water 218 216 241 260 340 254 270 247 262 199 38 193 Mine Groundwater 53 80.2 51 90 81 68 90 65 77 80 47 58 Mine Rainf all 40 26 26 15 18 18 2 13 13 7 29 47 12 JUNE ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 LAND RAINFALL (mm) JULY AUG SEPT OCT NOV DEC JAN FEB MAR APR MAY JUNE Long Term Average 63 67 66 71 57 45 44 42 41 52 59 60 2012-2013 Rainfall 87 56 48 26 39 32 17 15 22 16 53 98 TOTAL 2012-2013 Rainfall Total 511 Long Term Average Total 667 WATER TOWN WATER USE (ML) 2005 201112 JUL AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN Amenity Water Use 0.2 0.1 0.1 0.1 0.1 0.2 0.2 0.1 0.3 0.2 0.4 0.6 0.9 0.4 Process Water use 1.1 1.4 2.1 0.8 1.0 1.0 1.2 1.5 1.1 1.2 1.5 1.9 0.8 3.2 AIR GREENHOUSE GAS (GHG) TOTAL (Mt) & GHG EMISSION EFFICIENCY (t/mwH) GHG t GHG t/MWh 2005 2006 2007 2008 2009 2010 1309674 1491486 1396713 1452351 1361632 1442450 1215882 1.21 1.20 1.18 1.23 1.22 1.20 1.213081 13 2012-2013 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 environmental improvement dashboard Environmental Management Targets Apr May June 12/13 Total 12/13 Forecast 12/13 Target Reportable Environmental Incidents (#) 0 0 0 2 2 0 Env Near Miss vs Env Incident Run Rate (ratio) 17 29 1.7 8 8 3 Monthly EHS ASAT Audit Completion (%) 100 100 71 59 59 90 Air Emission Targets Apr May June 12/13 Total 12/13 Forecast 12/13 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) 1.19 - 1.2 1.21 1.21 1.20 Water Targets Apr May June 12/13 Total 12/13 Forecast 12/13 Target Town Water (ML) 2.5 1.7 3.5 20.7 20.7 14.0 Groundwater (ML) 279 85 251 3576 3576 4000 Waste Targets Apr May June 12/13 Total 12/13 Forecast 12/13 Target Waste to Landfill (t) 0.00 18.32 2.88 30.88 30.88 12.00 Solid Prescribed Waste to Landfill (t) 0.00 0.00 0.00 3.48 4.60 1.00 Mine Rehabilitation Targets Q2 Total 12/13 Total 12/13 Target Area to Clear (ha) 1.83 4.33 4.70 Area to Rehabilitate (ha) 10.05 10.05 > 4.70 14 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 environment improvement plan Q2 status update eip update air management Alcoa’s aim is to reduce all air emissions and to continue to improve station efficiency. SO2 Targets Zero measurable exceedances of the Air Quality Objective for 1 hourly average (200 ppb) Stack SO2 emissions are not to exceed licence limits. Action Status Comment Formally document and continue to review the Air Management Plan, including current and future activities and continue investigations into long term plans to reduce SO2 emissions (Q2 2008) Completed As detailed in the Air Management Plan, the Air Quality Control System was fully commissioned in Q1 2010, with a 53V audit conducted by an external consultant on the sites SO2 Management. During Q4 2010 a risk assessment for SO2 was undertaken by the location for the Anglesea Heath area. This was submitted to EPA in Q4. Further refine the load reduction protocol (End 2009) Completed The Air Quality Control System continues to play a pivotal role in the station’s SO2 Management. Continued zero exceedances of the Air Quality Objective in 2012/13. Investigate additional meteorological and emissions modelling (End 2009) Completed An additional meteorological station was implemented north of the station at the Forest Road Basin site. This information is fed back into the Station via direct telemetry and aids the Air Quality Control System for SO2 management. Continue annual vegetation surveys (End 2008 & 09) Completed The Annual Vegetation Assessment was conducted in Dec 2012 by an external consultant. Continue to progress investigations into clean coal and other emerging technologies that meet triple bottom line objectives (End 2009). Ongoing Anglesea Power Station continues to review emerging technologies for SO2. Commissioning of the Air Quality Control System for SO2 was completed in Q1 2010. Action Status Comment Continue stack emissions monitoring program, to meet licence requirements (ongoing) Ongoing Quarterly monitoring conducted quarterly during 2012-2013, with all results well within the licence limits. Analyse data obtained from the pilot ambient dust program and determine future improvement options Completed Data reviewed with completion of the program. Particulate Stack Emissions Targets Particulate Stack Emissions (opacity) not to exceed 0.25 g/m3 based on 10 minute averaged data (during normal operations). 15 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 eip update air management (cont) Alcoa’s aim is to reduce all air emissions and to continue to improve station efficiency. Greenhouse Gas (GHG) Targets Annual GHG Emissions not to exceed 1.2 t CO2/MWh. 1.2 t CO2/MWh is an internal target. Forecast FY12/13 =1.21 t CO2/MWh. Increase is due to increase in coal moisture which affects calorific value of the coal. Action Status Comment Implement a Boiler cleaning schedule. Ongoing In Q2 2009, the major maintenance shutdown of the station was conducted including a comprehensive boiler clean. The most recent maintenance shutdown occurred in Q2 2013 Complete the action plan detailed in the Generator Efficiency Standard program. Completed The Generators Efficiency Standard report was submitted to the Australian Greenhouse Office in 2008. The action for the HP Heater was completed in 2008, with its recommissioning. Continue the use of environmentally friendly diesel for mine fleet (End 2009). Ongoing Good performance using soy biodiesel in the Mining fleet during 2012-13. Investigate the use of environmentally friendly diesel for light vehicles (End 2009). Completed Not progressed at this stage Continue investigations into clean coal technologies (End 2009). Ongoing Continued review of emerging clean coal technologies. Investigate improvements in combustion tuning methods (End 2009). Ongoing Ongoing evaluations by the operations department to tune combustion in the boiler. Participate in relevant Australian Greenhouse Gas Office or Alcoa Greenhouse Gas audits (end 2009). Completed Data collation of the station and mine emissions reported into the Governments National Greenhouse and Energy Reporting Scheme. All GHG Data reported to reflect NGERs requirements. Action Status Comment Continue annual monitoring program for fugitive dust emissions. Ongoing Data reviewed with completion of the program Analyse data obtained from the pilot ambient dust program and determine future improvement options (End 2008). Ongoing Data reviewed with completion of the program Action Status Comment Implement monitoring program in order to develop future licence limits (Q1 2008). Completed Continued quarterly monitoring of additional emissions to air conducted by external consultants. Fugitive Dust PAH, VOCs, etc 16 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 eip update water management Alcoa’s aim is to continue to improve the efficient use of our natural resources, including water. Water Use and Discharge Targets Using a 2000 baseline: 70% reduction in town water usage by 2010. Action Status Comment Investigate the installation of further water recycling infrastructure. Ongoing Rainwater tanks have been installed at mine offices for watering seedlings Using two sand filters at a time rather than three eliminates the need to backwash one filter on a daily basis An application for funding from Barwon for rainwater tanks for the mine workshop was lodged. However, this was unsuccessful Develop strategic long term water management plan including surface water discharge reduction targets (Q2 2008). Completed Water Management Plan developed in Q2 2008. 2011 Water reduction targets established annually by the Environmental Lead Team. Initiate investigations into ways of eliminating mine water discharges in to the Anglesea River (end 2009). Ongoing New EPA licence received Feb 2012 – discharge from SP4 into Anglesea River is no longer licenced. Implement a maintenance strategy for surface water channels to optimum flow and minimal erosion of waterways (End 2008). Ongoing Strategy under development. With appropriate partners, continue projects relating to the Anglesea catchment: · Healthy Waterways Project with Corangamite Catchment Management Authority, Surf Coast Shire and Environmental Protection Authority. Includes Ecological Risk Assessment on the Anglesea River (partnership with EPA) · Estuary Entrance Management Decision Framework with Deakin University and Western Coastal Board · Anglesea River Masterplan Project with Surf Coast Shire Ongoing Partnership work continued. Response provided to CCMA regarding the Anglesea River Estuary Management Plan. Improve water metering around the station. Ongoing Mine sump pump meter installed and readings are taken monthly. Project to upgrade 6 well bore flow was completed Q4 2012. Continue to review and refine the Alcoa Anglesea Water Management Plan (End 2009). Ongoing A Water Management Plan was developed in 2007 with the site WaterMAP plan submitted in 2007 depicting the site’s strategy. A WaterMAP progress report to Barwon Water is now submitted every year as part of the Energy Resource and Efficiency Plan program. EREP Report for 2011 collated and submitted in Q1 2012. Continue the water loss minimisation strategy that involves the condenser vacuum breaker valve (boiler water) and the water associate panel cooling tank (general service water). Ongoing 17 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 eip update water management (cont) Alcoa’s aim is to continue to improve the efficient use of our natural resources, including water. Groundwater Action Status Comment Continue to investigate opportunities for reducing bore water use (end 2009). Ongoing A Bore Lead Team has been created to review ongoing maintenance of bores. Water Lead team looks at opportunities to reduce consumption. Perform a gap analysis against the Hydrogeological assessment (Groundwater Quality) Guidelines (End 2008). Completed A gap analysis against the Hydrogeological assessment guidelines was completed in 2008. Receive and share complete report from Tim Tutt PhD study – “Monitoring and Modelling Hydrogeochemical Interactions with Groundwater: Implications for Mine Dewatering on Groundwater, River and Lake Chemistry”. Completed Thesis completed with a presentation to the Station provided. Continue projects relating to the Anglesea Catchment: Anglesea Borefield project with Barwon Water Southern Rural Water licencing of Groundwater Ongoing Monthly meetings were held between Alcoa Anglesea and Barwon Water in Q1 and Q2 2012 during the 6 month pump test. Monthly bore monitoring by Alcoa continues and data is shared with Barwon Water. Investigate automating the sand filter back wash system to reduce water use and enhance overall water quality (End 2008). Completed The sand filter back wash system has been investigated and determined that this project was not viable. 18 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 eip update land management Alcoa’s aim is to establish a diverse heathy woodland ecosystem with mine rehabilitation whilst identifying and protecting archaeological sites; protecting healthy vegetation from Phytophthora cinnamomi; continuing existing vegetation protection strategies; improving habitat and restoring native vegetation within the mining area. Mine Rehabilitation Targets 100% Species richness in post 2000 mine rehab areas At the 18-month rehabilitation assessment, the area may not have 100% species richness. However more species emerge over time, so all rehabilitation areas are at or over 100% species richness at the 5 year assessment. Area of land rehabilitated per annum > area of clearing per annum. Action Status Comment Continue to experiment and refine rehabilitation techniques (ongoing). Ongoing Ongoing. Continue to implement the botanical monitoring program to assess post-2000 rehabilitation areas (ongoing; review ongoing requirement Q1 2009). Ongoing 2012 botanical monitoring complete. Continue seed dormancy and mine rehabilitation research for recalcitrant plants (Depth & Quantification of Topsoil Reserves in the Anglesea Heath Vegetation (Q3 2008)). Completed Report has been received and updated our practice accordingly. Further refine rehabilitation targets in line with Department of Sustainability and Environment’s Native Vegetation Framework guidelines (Q4 2009) Ongoing Formally document rehabilitation procedures (Q4 2009) Ongoing Annual documentation of rehabilitation process and variables ongoing. Action Status Comment Maintain MOU with the Wathaurong Aboriginal Cooperative for identification and protection of archaeological sites in Mining Area (ongoing) Ongoing Alcoa Anglesea had established a Memorandum of Understanding (MOU) with the Wathaurong Co-operative. However, with the change in legislation, the MOU was invalidated. Alcoa continued to work with the Wathaurung (Registered Aboriginal Party) on the Cultural Heritage Management Plan for the mining area. This was approved in 2010. Continue to monitor and manage phytophthora in the mining and freehold areas (ongoing). Ongoing Continue fire management program on freehold parcels and mining area (ongoing). Ongoing Completed slashing program in Q4 2012. DEPI planned burns occurred within the Anglesea Heath in Q2 2013. Continue extensive environmental weed removal program within the Mining Area and freehold parcels and revegetate with indigenous species (ongoing). Ongoing Continued weeding activities with local community groups, schools and employees. Mining Area and Freehold Land Targets To manage the freehold and mining area; to compliment land management works in the adjacent lease and private freehold. 19 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 eip update waste management Alcoa’s aim is to reduce waste to landfill and reduce the production of waste by our processes. The program for removing asbestos and other hazardous materials from the power station will continue. Waste to Landfill Action Status Comment Investigate options for disposing of prescribed waste ie. Oily water Ongoing Ongoing – current focus is on heavily soiled rags and automatic grease dispensers. Continue to find reuse or recycling options for wastes and educate employees on new procedures (end 2009). Ongoing New recycling program for printer toner cartridges initiated in Q2 2012. Continue to actively manage the rehabilitation of contaminated soils and refine associated management procedures (end 2009). Ongoing Ongoing work with the site Land farm for soil rehabilitation. Continue to refine and implement the waste oil management education program. Ongoing Waste Management included in the site monthly theme for Environmental Management for deployment to all personnel annually. Action Status Comment Continue to remove asbestos from the plant where appropriate, using licenced contractors for disposal to landfill in compliance with EPA licence conditions (end 2009) Ongoing Removal work is now on an ‘as needs’ basis. Continue the education program for employees regarding transport of asbestos waste offsite (end 2009). Ongoing Training program held during 2012 to inform employees about the new EPA Licence requirements for asbestos management. Review and consider licence requirements for asbestos landfill rehabilitation plan (and site closure plan) (end 2008). Completed The Site closure plan now refers to the Asbestos Landfill Rehabilitation Plan for the management of the Landfill. Provision made in the Landfill Financial Assurance for audit of Landfill Rehabilitation Plan. Asbestos 20 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 eip update environmental management Alcoa’s aim is to continually improve our environmental management processes. This would be demonstrated by a reduction in the number of environmental incidents occurring at the site and by receiving external recognition of our efforts. Environmental Management Targets Complete all EHS Management System and Environmental Audits as per Alcoa auditing schedule (90% compliance to monthly schedule, 100% completion in the annual and two yearly cycles). All Anglesea EHS Management System and Enviornmental Audits completed on schedule. Action Status Comment Continue to strategically plan for and allocate funds to Alcoa Anglesea’s Environmental Management Program. Completed Environmental budget developed for 2014 has been initiated in Q2 2013. Investigate new or alternative measuring systems for environmental management/ incident performance (Q2 2008). Completed The Environmental Near Miss run rate continues to be reported via quarterly Env Reports. Continued focus on encouraging employees to report ‘Environmental Near Miss’ incidents. Ongoing Environmental Near Miss continued to be reported into the site Incident Management System (IHS). Maintain ISO 14001 accreditation for the Alcoa Anglesea Environmental Management System (continuous). Ongoing In Q4 2011, that station underwent a recertification audit to ISO14001, with a successful audit outcome achieved. Surveillance audit held Oct 2012 and certification was maintained Maintain environmental auditing process at Level 5 (Good) (End 2009). Ongoing In Q2 2011, Anglesea underwent an Integrated Audit and was rated at Level 5 (Good) Continue discussions with EPA and other regulatory authorities on licence conditions to ensure shared understanding of environmental management systems (continuous). Ongoing Regular meetings with EPA, Department of Environment and Primary Industries and Southern Rural Water continued. eip update community engagement Alcoa’s aim is to communicate openly with interested community members on its environmental management. Community Engagement Action Status Comment Continue to produce quarterly EIP progress reports against the actions documented in this EIP (published on the internet and distributed via email). (every Quarter). Completed Annual Status Report now included as part of the quarterly Environment Report. Continue to produce the Alcoa Anglesea Monthly Environment Report (published on the internet and distributed via email) and formally document production procedure (Monthly and documentation by Q1 2009). Completed Monthly Sulphur Dioxide Reports completed and posted on the website. Quarterly Environment Report is completed and posted on the website. Continue Community Consultation Network meetings as a public forum for Alcoa to engage with local community members (continuous). Ongoing CCN bi-monthly meetings ongoing. Investigate new ways of engaging with people in the local community who are interested in Alcoa Anglesea’s environmental management (End 2009). Ongoing Regular consultation continued via the CCN. 21 ANGLESEA ENVIRONMENT REPORT QUARTER 2 2013 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 22