Details of Greatmoor Plume Plotter

This page should be read in conjunction with How Plume Plotter Works. It provides more details specific to the Greatmoor version of Plume Plotter.

Stacks and buildings

Building measurements are taken from [2], [3], and [4].

This image shows the layout of the stack and buildings modelled:

Stack measurements

All of these are taken from [1]:

The following values are used for albedo and Bowen ratio. Roughness length varies according to wind direction, as specified in [1]:

Emissions

The emission rates of pollutants are taken from [1]. These are:

PollutantEmission rate
per second
Oxides of nitrogen10.55 g
Particulates530 mg
Sulphur dioxide2.64 g
Carbon monoxide2.64 g
Hydrogen chloride530 mg
Hydrogen flouride53 mg
TOC530 mg
Cadmium and thallium2.64 mg
Mercury2.64 mg
Other metals26.4 mg
Dioxins and furans5.28 ng
Ammonia530 mg

Background levels

The background levels of pollutants are taken from [1]. These are:

PollutantBackground
concentration per m3
Oxides of nitrogen21.3 μg
Particulates15.8 μg
Sulphur dioxide2.2 μg
Carbon monoxide112 μg
Hydrogen chloride3.9 μg
Hydrogen flouride3 μg
TOC900 ng
Cadmium and thallium90 pg
Mercury2.23 ng
Other metals31.14 ng
Dioxins and furansN/A
Ammonia2.4 μg

Weather data

Weather data is taken from METAR reports from a local airport: Brize Norton RAF.

Upper air data is the latest reported by the Nottingham upper air station.

References

1. GREATMOOR ENERGY FROM WASTE FACILITY BUCKINGHAMSHIRE: AIR QUALITY -- TECHNICAL APPENDIX 6/A ATMOSPHERIC DISPERSION MODELLING. SLR. July 2010. Planning application 11/20000, document "11_20000_AWD-EN_Technical_App_6A_Air_quality-8975.pdf".

2. Proposed site layout. Planning application 11/20000, document "11_20000_AWD-15737_AO_P_0101_Proposed_site_layout-9779.pdf".

3. SW elevation. Planning application 11/20000, document "11_20000_AWD-15737_AO_P_0120_Proposed_EFW_building_SW_elevation-9782.pdf".

4. SE and NW elevations. Planning application 11/20000, document "11_20000_AWD-15737_AO_P_0122_Proposed_EFW_building_SE___NW_elevation-8758.pdf".