Presentation to the Environmental Health Sub-committee – November 2015

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Presentation transcript:

Presentation to the Environmental Health Sub-committee – November 2015 3 May 2019

Contents Contents Aerial Discharges Liquid Discharges Waste Disposals Critical Group Dose Permit Summary 3 May 2019

Aerial Discharges 3 May 2019 3 May 2019 3 3

Liquid Discharges 3 May 2019 3 May 2019 4 4

Liquid Discharges 3 May 2019 3 May 2019 5 5

Critical Group Dose Summary of critical group doses in the vicinity of the LLWR (µSv) Pathway 2008 2009 2010 2011 2012 2013 2014   Seafood consumption 0.01 Inhalation (adults) 0.49 0.34 0.33 0.36 0.41 0.37 Milk consumption (infants) 0.7 1.85* 0.47 0.77 0.28 All discharge pathways(infants) 1.2 2.19 0.9 0.66 0.62 Direct radiation 36 30 31 35 32 Total dose to critical group 37 33 UK average Annual dose from background radiation = 2200µSv . 3 May 2019 3 May 2019 6 6

Waste Disposals During 2014 172 containers of Low Level Waste were processed for emplacement in Vaults at LLWR. If no diversion had taken place the indicative number of containers that would have needed to be disposed was an additional 717 Activity disposal, reported monthly to the EA, remains within the Permitted limits Vault 9 remains in use for storage. 3 May 2019

‘New’ LLWR Permit Radioactive Substances Regulations (RSR) Permit varied – Issued 1st November 2015 Permits disposals in current and future disposal vaults (Planning Application required to allow is this currently being determined) Removes annual limits but introduces lifetime capacity No longer defines the Statutory Environmental Monitoring programme – Full LLWR programme now covers 3 May 2019

Discharges are very low and significantly below historical limits Summary Discharges are very low and significantly below historical limits Doses remain very low Waste receipt continues to be managed safely 3 May 2019