Details of Newtownabbey Plume Plotter

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

Stack measurements

All of these are taken from [1]:

The following values are used for albedo, Bowen ratio, and roughness length, as specified in [1] and [2]:

Emissions

The emission rates of pollutants are taken from [1] and [2]. These are:

PollutantEmission rate
per second
Particulates PM10388.9 mg
VOCs388.9 mg
Ammonia388.9 mg
Hydrogen chloride388.9 mg
Hydrogen flouride38.9 mg
Sulphur dioxide1.944 g
Oxides of nitrogen7.778 g
Carbon monoxide1.944 g
Cadmium and thallium1.9 mg
Mercury1.9 mg
Other metals19.4 mg
Dioxins and furans3.889 ng

Background levels

The background levels of pollutants are taken from [1] and [2]. These are:

PollutantBackground
concentration per m3
Particulates PM1010.8 μg
VOCs562 ng
Ammonia4.95 μg
Hydrogen chloride280 ng
Hydrogen flouride2.35 μg
Sulphur dioxide340 ng
Oxides of nitrogen4.4 μg
Carbon monoxide184 μg
Cadmium and thallium80 pg
Mercury1.6 ng
Other metals11.35 ng
Dioxins and furansN/A

Weather data

Weather data is taken from METAR reports from a local airport: Belfast.

Upper air data is the latest reported by the Castor Bay upper air station.

References

1. arc21 Residual Waste Treatment Project: Hightown Quarry. Environmental Statement. Chapter 14: Air Quality. Becon, 2014.

2. arc21 Residual Waste Treatment Project: Hightown Quarry. Environmental Statement. Appendix 14.2: Details of AERMOD Dispersion Model. Becon, 2014.