Air quality modelling assessment at Hampton WTW site ___________________________________________________ Final Report for Thames Water Utilities Limited ED 12448 | Issue Number 2 | Date 09/09/2019 Ricardo Energy & Environment Air quality modelling assessment at Hampton WTW site | i Customer: Contact: Thames Water Utilities Limit Dr Mark Broomfield Ricardo Energy & Environment Customer reference: Gemini Building, Harwell, Didcot, OX11 0QR, United Kingdom t: +44 (0) 1235 75 3493 e:
[email protected] Confidentiality, copyright & reproduction: Ricardo-AEA Ltd is certificated to ISO9001 and ISO14001 This report is the Copyright of Thames Water/Ricardo Energy & Environment. It has been prepared by Ricardo Energy & Environment, a trading name of Ricardo-AEA Ltd, Authors: under contract to Thames Water Utilities Limited dated 17/07/2019. Ricardo Energy & Ancelin Coulon Environment accepts no liability whatsoever to any third party for any loss or damage arising Approved By: from any interpretation or use of the information contained in this report, or reliance on any views Dr Mark Broomfield expressed therein. Date: 09 September 2019 Ricardo Energy & Environment reference: Ref: ED12448 Issue Number 2 Ref: Ricardo/ED12448/Issue Number 2 Ricardo Energy & Environment Air quality modelling assessment at Hampton WTW site | ii Executive summary The report describes an air quality impact assessment study conducted by Ricardo Energy & Environment for Thames Water Utilities Limited (TWUL). The study assesses the potential air quality impacts of the Thames Water Utilities Limited waste water treatment works in Hampton, Greater London. The site includes three diesel standby generators used for TRIAD avoidance (potential future CM inclusion). The three generators are modelled as simultaneously operating for 80 hours each per year.