OMA: preparation for an audit

Guidance to explain the Operator Monitoring Assessment (OMA) process and how operators can prepare for an OMA audit.


Preparation for an OMA audit

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The OMA scheme covers assessments of operators’ self-monitoring of both emissions to air and discharges to water. Separate guidance documents are available for each.

Published 7 April 2014
Last updated 11 October 2017 + show all updates
  1. Amended some wording to improve clarity. Updated contact details.
  2. First published.