Stratford Coal CCC Meeting Presentation - Company Report & Overview of Activities August 2014 Michael Plain Environmental Coordinator
Table of Contents 1. Agenda Item 7a (Progress at Mine) 2. Agenda Item 7b (Environmental Projects/Activities) 3. Agenda Item 7c (Environmental monitoring performance) 4. Agenda Item 7d (Community complaints) 5. Agenda Item 7e – (Other matters) a. Weeds Management Plan 2
1. Progress at the Mine Mining 2 nd Quarter 2014 Waste BCM 69,000 BCM Coal tonnes 213,000 tonnes Total BCM 218,000 BCM BRN mining completed in July 2014. 21 July 2014 3 3
2. Environmental Projects/Activities Management Area Project Status • Pollution Reduction Programs • Report to demonstrate 80% control efficiency being finalised Air Quality prior to submission to EPA. • PRP U3 Handling overburden in adverse weather conditions – Criteria for adverse weather conditions has been developed. Weather station alarming of performance indicators being established. • Real-Time Dust Management • Performance indicators have been programmed into the real-time dust software and alarming established. Alarms are managed in accordance with the dust management protocol. • 2014 Noxious Weed Program • Completed Flora • 2014 Wild Dog Control Program • Current program completed Fauna • Scheduled to be repeated later in 2014 • Roseville West Pit • Last blast completed 29 August 2013 – 24 blast for 2013, no Blast licence criteria exceedances • BRN Pit • Last blast completed 2 June 2014 – 7 blasts for 2014, no licence criteria exceedances • Quarterly Noise Assessment • June assessment completed – final report received Noise • Mobile Plant Assessment • Annual assessment completed – awaiting final report • Rail loop acoustic barriers • Noise assessment conducted with reductions of 9-16 dB recorded. • Enclosure on coal loader • Completed February 2014. • Real-Time Noise • System operational for period 8pm to 8am. 21 July 2014 4 4
2. Environmental Projects/Activities – cont. Management Area Project Status • BRN Pit • Shaping and topsoiling of waste dump in progress. Rehabilitation • Roseville West Pit • 5 Ha cover crop of millet established, planting of additional pasture grasses completed . • Old Main Pit • Reshaping of southern edge of main pit and planting of cover crop completed. 21 July 2014 5 5
3. Environmental Monitoring Performance 1. Rainfall 2. Surface Water a. Total Suspended Solids b. pH c. Electrical Conductivity Main Pit 3. a. pH b. Electrical Conductivity c. Sulphate 4. Reject Monitoring Air Quality 5. a. Dust Deposition b. Dust Deposition – Petrographic Analysis c. High Volume Air Sampler d. High Volume Air Sampler-Rolling Average e. Real Time Dust Monitoring (TEOM) – PM2.5/PM 10 Blasting 6. a. Bowens Road North 21 July 2014 6 6
Rainfall Rainfall 2003 - 2014 Average 2003 2004 2005 1400 2006 1200 2007 2008 1000 2009 800 Rainfall (mm) 2010 600 2011 Average 400 2012 2005 200 2013 2008 2014 0 2011 Jan Feb Mar Apr May Jun Year Jul Aug 2014 Sep Oct Nov Dec Total Month 21 July 2014 7 7
Surface Water – Total Suspended Solids Total Suspended Solids (TSS) - Avon River/Avondale Creek June 2013 - June 2014 30 25 20 TSS (mg/L) W1 15 W2 W4 W5 10 W6 5 0 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • All sites returned generally low TSS • Gaps indicate no flow 21 July 2014 8 8
Surface Water - pH pH - Avon River/Avondale Creek June 2013 - June 2014 9 8 7 6 W1 5 pH W2 4 W4 3 W5 W6 2 1 0 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • All sites within ANZECC Guideline range. • No obvious trending toward ANZECC Guideline limits • Gaps indicate no flow 21 July 2014 9 9
Surface Water – Electrical Conductivity Electrical Conductivity - Avon River/Avondale Creek June 2013 - June 2014 1000 900 Electrical Conductivity (µS/cm) 800 700 600 W1 500 W2 W4 400 W5 300 W6 200 100 0 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • Gaps indicate no flow 21 July 2014 10 10
Main Pit - pH Stratford Main Pit pH July 2013 - June 2014 10.00 9.00 8.00 pH 7.00 6.00 5.00 4.00 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • Results show neutral pH; no decrease trend in pH 21 July 2014 11 11
Main Pit – Electrical Conductivity Stratford Main Pit Electrical Conductivity July 2013 - June 2014 4500 4000 Electrical Conductivity (µS/cm) 3500 3000 2500 2000 1500 1000 500 0 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • All results within expected range. 21 July 2014 12 12
Main Pit - Sulphate Stratford Main Pit Sulphate July 2013 - June 2014 1800 1600 1400 1200 Sulphate (mg/L) 1000 800 600 400 200 0 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • All results within expected range. 21 July 2014 13 13
Reject Sampling Stratford Main Pit Reject Monitoring June 2013 - June 2014 10 9 8 7 6 Series2 pH 5 Series3 Series4 4 Series5 3 Series6 2 1 0 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • pH within expected range • No access June to October • Faulty pH probe in March – Reject Beach limed 12 March 21 July 2014 14 14
Air Quality – Dust Deposition Monthly Dust Deposition July 2013 - June 2014 4.5 4.0 Dust Deposition (g/m²/month) 3.5 3.0 D5 Straford Village D6 Mine 2.5 D7 Isaac D8 Bramley 2.0 D9 Craven 1.5 D10 Williams D11 Ellis 1.0 EPA Limit 0.5 0.0 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Sampling Month • All sites below EPA limit • Samples with significant contamination excluded 21 July 2014 15 15
Air Quality – Petrographic Analysis 21 July 2014 16 16
Air Quality – High Volume Air Sampler High Volume Dust Monitoring - Particulate Matter (PM10) June 2013 - June 2014 60.0 Particulate Matter PM10 (µg/m³) 50.0 40.0 30.0 Stratford Craven 20.0 Ellis Clarke 10.0 NEPM 24 hr Avg 0.0 Sampling Date • All sites generally well below NEPM 24hr average level. • Spike in October due to smoke from Hunter Valley fires being blown up into Gloucester Valley. 21 July 2014 17 17
18 21 July 2014 Air Quality – HVAS Rolling Average Particulate Matter PM10 (µg/m³) 10.00 15.00 20.00 25.00 30.00 35.00 • All site averages well below EPA Limit 0.00 5.00 2-Jun-13 High Volume Dust Monitoring Particulate Matter (PM10) Rolling 16-Jun-13 30-Jun-13 14-Jul-13 28-Jul-13 11-Aug-13 25-Aug-13 Average June 2013 - June 2014 8-Sep-13 22-Sep-13 6-Oct-13 20-Oct-13 3-Nov-13 Sampling Date 17-Nov-13 1-Dec-13 15-Dec-13 29-Dec-13 12-Jan-14 26-Jan-14 9-Feb-14 23-Feb-14 9-Mar-14 23-Mar-14 6-Apr-14 20-Apr-14 4-May-14 18-May-14 18 1-Jun-14 15-Jun-14 EPA Limit Clarke Ellis Craven Stratford
Air Quality – TEOM (Real Time) Monitoring TEOM (Real Time) Dust Monitoring - Hourly averaged PM2.5/PM10 July 2013 - June 2014 100 90 80 70 60 µg/m³ 50 40 PM2.5 30 PM10 20 10 0 Sampling Date • Zero/negative values are due to moisture vapour/dew drying on filter creating small negative mass readings. 21 July 2014 19 19
Blasting – Bowens Road North Pit Ellis Clarke Falla Ex-Judge Isaac Exceedances % Exceedances % Date >115dbL >120dbL mm/s dBl mm/s dBl mm/s dBl mm/s dBl mm/s dBl BRN 0 0 15-Jan-14 0.39 99.7 0.13 104.5 0.38 96.2 0.28 91.9 0.21 95.4 0 0 15-Jan-14 0.17 105.0 0.09 102.9 0.23 92.3 0.12 99.6 0.07 98.3 0 0 <0.21 4-Feb-14 0.211 108.2 0.104 105.6 <110.0 0.104 107.5 0.053 111.1 0 0 11-Mar-14 0.313 100.2 0.125 103.3 0.31 97.7 0.13 98.5 0.088 102.6 0 0 2-May-14 0.306 103.2 0.166 96.4 0.23 97.0 0.111 93.1 0.097 92.3 <0.21 0 0 13-May-14 0.34 103.6 0.08 97.3 <110.0 0.11 91.9 0.13 92.3 <0.21 0 0 2-Jun-14 0.163 84.2 0.077 97.3 <110.0 0.061 94.1 0.074 98.9 Note: Blast Compliance: No more than 5% of total blasts for annual monitoring period to exceed an overpressure of 115 dBL or ground vibration of 5 mm/s. No blast is to exceed an overpressure of 120 dBL or ground vibration of 10 mm/s 21 July 2014 20 20
4. Community Complaints - Summary Stratford Complaint Summary Period: 1/04/14 - 30/06/14 Period: 3 Months Total No. of Complaints: 2 (noise) Total No. of Complainants: 2 Complainant Method of Time/Date of Complaint Location Complaint Nature of Complaint Outcome 23/06/2014 The Glen (approx 4.5km Email Noise "There's been a lot of noise from the stockpile dozer this morning." Response to SSE of CHPP) complainant advising initial advice received from operations being use of alternate dozer. Email sent to complainant confirming initial advice and status of standard dozers i.e. now operational. 2102hrs 10/06/2014 2.9km West possible Community Hotline Noise Complaint regarding noise form dozer track slap. Investigation indicates operations noise source likely to be within required limits. Meeting held with complainant. Complaint closed 30 June 2014. 21 July 2014 21 21
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