Stack Emissions Compliance Monitoring

Protea carries out mainly instrumental based compliance monitoring to methods within the MCERTS scheme.

In the case of emissions monitoring the techniques used are:

	Analytes	Method
High resolution FTIR (Fourier Transform Infra red)	Most organic and inorganic components	ASTM D6348-03
FID (Flame ionisation detector)	Total VOC	BS EN 13526:2001 BS EN 12619:1999
Mass Spectrometer	Halogens, hydrogen, air components, H₂S	In-house method
Pitot flowmeter, other meters	Flowrate via velocity, temperature, pressure	BS EN 13284-1:2002
Thermal mass flowmeter	Continuous logged flow	In-house method (UKAS traceable)
'Particulates' sampling train	Particulates (0 - 50 mg/m³) Particulates (20 - 1000 mg/m³) Moisture (29 - 250 g/m³)	BS EN 13284-1:2002 BS ISO 9096:2003 BS EN 14790:2005

The most versatile analyser is the FTIR, which is suitable for continuous profiling of most target analytes including combustion gases, organics such as formaldehyde and phenol and inorganics such as ammonia.

Uncertainty using FTIR and the ASTM method for specified analytes can be as low as +/-5% for typical mixtures.

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