UKAS Update 1 for Stack Emissions Monitoring Organisations details changes to the current policy of unannounced site assessments and also changes to the Environment Agency's document M2 and the effect this has on accredited organisations. If you have any queries regarding the content of this update please contact your Assessment Manager or Rohit Chirodian +44(0)208 917 8451 or rohit.chirodian@ukas.com