AMBIENT AIR AND CLIMATIC MONITORING CONTINUOUS MONITORING SITES Verico supplied continuous ambient air and climatic monitoring stations at three sites to fulfill the requirements of the EPA license. These stations consisted of: • An air-conditioned instrument shed to house all instrumentation • A single gas sampling manifold which supplies atmospheric gases for sulphur dioxide, nitrogen dioxide and a PM10 and PM2.5 micron continuous dust monitor • Instruments for wind speed and wind direction, attached to a 10m mast • Ambient temperature, barometric pressure, rainfall and humidity instruments SULPHUR DIOXIDE EMISSION MANAGEMENT The site has stringent EPA license requirements for the emissions of sulphur dioxide. The sulphur dioxide concentration limit is based on the 99

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