Yaldhurst Quarry Air Quality Monitoring Programme Public Meeting 8 November 2017 Louise Wickham (EIL) Paul Baynham (MOTE) 1
Outline Who we are What we are proposing How you can help - discussion 2
Who are we? Paul Louise 3
Independent Specialists Ambient air quality monitoring Policy & regulation Good practice guidance 4
Full Disclosure Paul has previously done monitoring work for quarries Louise has previously (2013) advised CDHB about emissions from quarries following resident complaints 5
Why are we here? ECan, CCC and CDHB want a scientifically robust monitoring to consider (where practicable): Background levels; Meteorology; and Quarrying operations 6
Where do we fit? We are independent specialists who monitor and report (objectively and truthfully) Compare data with health-based criteria But health advice by CDHB (not us) 7
Monitor & Report 1. Respirable Crystalline Silica 8
Monitor & Report 1. Respirable Crystalline Silica 2. Particulate matter 9
Monitor & Report 1. Respirable Crystalline Silica 2. PM 10 3. Meteorology 10
What is the purpose? Nuisance Health RCS and particulate matter Research Temporal, spatial variation, links 11
Timeline Consult & design Nov Install & commission Dec Three months Dec/Jan/Feb 12
How will we do it? Three different types of instruments: 1. RCS 2. PM 10 BAM with met (reference method) Nephelometers 13
RCS Monitoring Uses a cyclone to separate out particles larger than 4 microns. 14
RCS Monitoring The smaller particles collected onto a PVC filter over one month exposure laboratory for analysis 15
3 x RCS filters at each site No. 1 samples when the wind is blowing from the quarry Wind 16
3 x RCS filters at each site No. 1 samples when the wind is blowing from the quarry No. 2 samples when the wind is not blowing from the quarry Wind 17
3 x RCS filters at each site No. 1 samples when the wind is blowing from the quarry No. 2 samples when the wind is not blowing from the quarry No. 3 samples continuously Wind 18
PM 10 Reference Monitoring FH62 Beta Attenuation Monitor (BAM). Detector Beta particle source 19
PM 10 Reference Monitoring The FH62 requires a 240V mains power supply and needs to be kept in an insulated enclosure 20
PM 10 Reference Monitoring (Doors open to show instrumentation) 21
PM 10 Reference Monitoring USEPA deem the BAM an equivalent reference method This will be supported by a meteorological monitoring station 22
PM 10 investigative monitoring Nephelometer uses a laser to measure the amount of scattering due to particles Glass Sample cell Transmitted light Laser Lens 23
PM 10 investigative monitoring Nephelometers are not reference instruments. But reasonably close, have a high level of precision and relatively portable. 24
Where do we intend to monitor? DRAFT PROPOSAL 25
26 Proposed monitoring sites
Proposed monitoring sites Western site Northern site Southern site 27
Proposed monitoring sites Quarry sites RCS PM 10 BAM + met PM 10 Nephelometer 28
Old West Coast Road PM 10 survey All PM 10 Nephelometers 29
PM 10 transect survey All PM 10 Nephelometers 30
+ background monitoring We will also deploy one background site for comparison RCS, PM 10 (reference method) and met We need help please locating the background site 31
32 Security/Tampering
How you can help - public Permission to deploy our instruments on your land Feedback (good and bad) on what we are proposing NB: Our live data will be on the web 33
How you can help - quarries Data - ambient monitoring data & activity data (location, timing active areas and mitigation measures) Feedback (good and bad) on what we are proposing NB: Our live data will be on the web 34
Any questions? Quarry sites RCS PM 10 BAM + met PM 10 Nephelometers 35
Thank you! Please see us after if you can volunteer space for a monitoring site 36
Technical detail on RCS monitoring NIOSH Method 2.5 LPM cyclone Heated cyclone Continuous differential pressure measurement On-line monitoring Cumulative monitoring using PM10 data to assess filter loading 37
Items to bring 37mm PVC filter BAM Tape Cyclone 38