# Commission Implementing Decision of 9 October 2014 establishing best available techniques (BAT) conclusions, under Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions, for the refining of mineral oil and gas (notified under document C(2014) 7155) (Text with EEA relevance) (2014/738/EU), Division BAT 5: BAT is to monitor the relevant process parameters linked to pollutant emissions, at catalytic cracking and combustion units by using appropriate techniques and with at least the frequency given below.

Extent: E+W+S+N.I.

N and S monitoring in fuel or feed may not be necessary when continuous emission measurements of NOX and SO2 are carried out at the stack.
Description
Minimum frequency
Monitoring of parameters linked to pollutant emissions, e.g. O2 content in flue-gas, N and S content in fuel or feed
Continuous for O2 content.
For N and S content, periodic at a frequency based on significant fuel/feed changes

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Source: https://www.legislation.gov.uk/eudn/2014/738/annex/division/3/division/1.1/division/1.1.4/division/2/division/BAT (the official version)
Page: https://openlegislation.uk/eu-decision-2014-738/annex/division-3/division-1.1/division-1.1.4/division-2/division-BAT
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.