Details of East Rockingham Plume Plotter

This page should be read in conjunction with How Plume Plotter Works. It provides more details specific to the East Rockingham 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 nitrogen14.7 g
Sulphur dioxide3.7 g
Carbon monoxide3.7 g
Particulates740 mg
Hydrogen chloride740 mg
Hydrogen flouride74 mg
TOC90 mg
Dioxins and furans7.4 ng
Cadmium and thallium730 μg
Mercury3.68 mg
Other metals36.77 mg

Background levels

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

PollutantBackground
concentration per m3
Oxides of nitrogen10 μg
Sulphur dioxide2.7 μg
Carbon monoxide815 μg
Particulates15 μg
Hydrogen chlorideN/A
Hydrogen flourideN/A
TOCN/A
Dioxins and furansN/A
Cadmium and thalliumN/A
MercuryN/A
Other metalsN/A

Weather data

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

Upper air data is the latest reported by the Perth International Airport upper air station.

References

1. EAST ROCKINGHAM WASTE TO ENERGY FACILITY - ENVIRONMENTAL REVIEW DOCUMENT - Appendix 7: Air Quality Impact Assessment Report, Environmental Alliances Pty Ltd. December 2017.