This page should be read in conjunction with How Plume Plotter Works. It provides more details specific to the Barry version of Plume Plotter.
Building measurements are taken from .
This image shows the layout of the stack and buildings modelled:
All of these are taken from  except the stack location which is taken from :
The following values are used for albedo, Bowen ratio and roughness length. None of these are specified in  or :
The emission rates of pollutants are taken from . These are:
|Oxides of nitrogen||4.32 g|
|Hydrogen chloride||216 mg|
|Hydrogen flouride||21.6 mg|
|Carbon monoxide||1.08 g|
|Sulphur dioxide||1.08 g|
|Cadmium and thallium||1.08 mg|
|Other metals||10.8 mg|
|Dioxins and furans||2.16 ng|
The background levels of pollutants are taken from . These are:
concentration per m3
|Oxides of nitrogen||20 μg|
|Hydrogen chloride||240 ng|
|Hydrogen flouride||500 ng|
|Carbon monoxide||140 μg|
|Sulphur dioxide||2.2 μg|
|Cadmium and thallium||300 pg|
|Other metals||54.49 ng|
|Dioxins and furans||28.8 fg|
Weather data is taken from METAR reports from a local airport: Cardiff.
Upper air data is the latest reported by the Camborne upper air station.
1. Proposed Wood Gasification Facility -- Woodham Road Barry -- Air Quality Assessment. Entran Ltd. 29/04/2016.
2. Stack Height Assessment for a 10 MWe Wood Gasification Facility at Barry Docks, Barry Island for Sunrise Renewables (Barry). Stopford Energy and Environment. 11/09/2014. Document filename "Appendix 2 - Air Emissions Analysis (2014).pdf".