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Bedtime reading for Stack Emission staff from the Environment Agency

Version 10 of  Technical Guidance Note M2 has been published and is available from the Environment Agency Website. The principal changes are:

Oxygen reference conditions for gas turbines to examples of reference conditions.
Clarified requirements for field blanks.
Added information about the layout of the Index of monitoring techniques and methods.
Gas velocity – added footnote referring to BS EN 16911-2.
Particulate CEMs – Added further information about applying EN 14181 to industrial processes.
Added clarification on the preferred method to measure formaldehyde.
Added information on bioaerosol measurement uncertainty.
Added EN ISO 13833 for the determination of the ratio of biomass and fossil derived CO2.
Added clarification about scope of EN 1948.
Added EN ISO 16911-1 for the measurement of gas velocity and volume flow.
Added EN TS 16429 for the measurement of HCl using an IR technique.
Further information about US EPA M11.
Further information about transport and analysis of hexavalent chromium.
Added note about measuring hexavalent chromium in fine particulates.
Added MID for EN 13725.
Added information about indicative method for assessing condensable oil mist.
Information about transport and storage of PAH samples.
Added ISO 25597 for the measurement of condensable particulates.
Added BS ISO 25597 for measurement of PM10 and PM2.5 at higher concentrations.
Added note about sampling phenols and cresols isokinetically when droplets are present.
Added information about the storage and transportation of VOC samples.
VOCs (total) updated due to revision of EN 12619 and withdrawal of EN 13526.

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