Details of Lithgow Plume Plotter

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

Stacks and buildings

Building measurements are taken from [1].

The image below shows the layout of the stack and building modelled. North is at the top; colours and numbers indicate the height of the buildings and the stack:

Stack measurements

These are taken from [1]:

The following values are used for albedo, Bowen ratio and roughness length. None of these are specified in [1]:

Emissions

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

PollutantEmission rate
per second
Oxides of nitrogen12.2 g
Sulphur dioxide3.055 g
Carbon monoxide3.055 g
Particulates611 mg
Hydrogen chloride611 mg
Hydrogen flouride122.2 mg
Cadmium and thallium3.055 mg
Mercury8.554 mg
Other metals43.38 mg
Dioxins and furans6.11 ng
TOC611 mg
Ammonia611 mg
Sulphuric acid5.316 g

Background levels

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

PollutantBackground
concentration per m3
Oxides of nitrogen8.5 μg
Sulphur dioxide2.4 μg
Carbon monoxide1.392 mg
Particulates17.2 μg
Hydrogen chlorideN/A
Hydrogen flourideN/A
Cadmium and thalliumN/A
MercuryN/A
Other metalsN/A
Dioxins and furansN/A
TOCN/A
AmmoniaN/A
Sulphuric acidN/A

Weather data

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

Upper air data is the latest reported by the Moree Mo upper air station.

References

1. Mt Piper Energy Recovery Project: Environmental Impact Statement. Appendix I -- Air Quality Impact Assessment, ERM. December 2019.