ENDOSCOPE DECONTAMINATION UNITS


– legislation explained. https://www.hse. gov.uk/legislation/hswa.htm


8 HTM 03-01. Specialised ventilation for healthcare buildings. Department of Health & Social Care, 22 June 2021. https://tinyurl. com/yc5up6pr


9 EN 16442:2015 – Controlled environment storage cabinet for processed thermolabile endoscopes. https://tinyurl.com/yc478zt7


10 BS EN 16789:2016. Ambient air. Biomonitoring with Higher Plants. Method of the standardized tobacco exposure, 2016 https://tinyurl.com/2p8kxcr5


11 BS EN. 16798-3:2017 Energy performance of buildings - Ventilation for buildings - For non-residential buildings - Performance requirements for ventilation and room- conditioning systems


(Modules M5-1, M5-4), 31 August 2017. https://tinyurl.com/fnjhma6v


12 Change in Air Filter Test and Classification Standards. Document SVHSoc.02-V1.2. Air Filter Working Group, 19 November 2018. https://tinyurl.com/bdk3fyk5


13 Air permeability testing of isolation facilities. BTS 3/2018. BSRIA, 2018. https:// tinyurl.com/4zwschpv


14 EH40/2005. Workplace exposure limits. Health & Safety Executive, 2020. https:// www.hse.gov.uk/pubns/books/eh40.htm


15 BS EN ISO 15883. Washer-disinfectors. BSI British Standards, 2014. https://tinyurl. com/yv237nnx#


16 Local Exhaust Ventilation (LEV) workplace fume and dust extraction. Health & Safety Executive, 2020. https://www.hse.gov.uk/ lev/


17 IHEEM Decontamination Technical Platform [DTP]. Annual review of flexible endoscope decontamination facilities. IHEEM, 2021. https://tinyurl. com/294mrrm2


18 Standards and Recommended Practices for Commissioning, Validation and Testing in Endoscope Decontamination Facilities. Health & Safety Executive, 2018. https://tinyurl.com/yckthh9k


19 ISO 14644-1:2015. Cleanrooms and associated controlled environments – Part 1: Classification of air cleanliness by particle concentration. ISO, 2015. https://tinyurl.com/4mu3encb


20 Health and Safety Practices Survey of Healthcare Workers. High-Level Disinfectants. NIOSH, CDC, 2020. https://tinyurl.com/559b6r5m


21 Documentation of the threshold limit values and biological exposure indices: peracetic acid. Cincinnati, OH: American Conference of Governmental Industrial Hygienists. ACGIH 2922. https://tinyurl. com/2p84dhv7


22 Permissible Exposure Limits – OSHA Annotated Table Z-1. Occupational Safety and Health Administration, 2022. https://tinyurl.com/y4vk9u57


23 Guidance for decontamination of equipment for gastrointestinal endoscopy. BSG, 2016; 38. https://tinyurl.com/ hh5kwvzc


38 Health Estate Journal June 2022 The Working Group


Both authors would like to thank all the Working Group’s members for sharing their experiences, and contributing to the production of this CSC guidance, which they say ‘aims to improve the built environment by ensuring that contaminants arising from the decontamination process are contained and removed’. The members of the Working Group are:


• Jimmy Walker, Chair of the Central Sterilising Club.


• John Prendergast, Senior Decontamination engineer, Authorising Engineer, (Decontamination) – NHS Wales Shared Services Partnership, Specialist Estates Services.


• Graham Stanton, IHEEM – Chair of the Authorising Engineer (Decontamination) Registration Board.


• Helen Griffiths, Nurse consultant, Gastroenterology, Wye Valley NHS Trust Nurse Advisor, NHS Bowel Cancer Screening Programme.


• Karren Staniforth, Clinical Scientist, UKHSA.


• Malcolm Thomas, Consulting engineer, author of HTM 03-01, and President, Specialised Ventilation for Healthcare Society.


• Gill Ellis-Pow, Lead for Decontamination, (NHS) Lothian, and Institute of Decontamination Sciences representative.


• Jennifer Stevenson, Clinical Development manager, 2030 Laboratories. • Zoe Fayers-Rust, Compliance Division manager, IMed. • Peter Hoffman, Public Health England (Retired).


Jimmy Walker


Jimmy Walker PhD, BSc, is a microbiologist with over 30 years’ experience in water microbiology and decontamination. He previously worked for Public Health England, where he managed a range of projects on biofilms and pathogens such as Legionella spp., Pseudomonas aeruginosa, and Mycobacteria spp. Through PHE, he worked with the Department of Health and the HSE in writing and developing national and international guidance on the microbiology of water and decontamination in healthcare. On leaving PHE he established his independent consultancy, Walker


on Water. He is currently the Chair of the Central Sterilising Club, and the Decontamination Professional Experts Committee Forum. He regularly publishes on water microbiology, and is currently writing a new book entitled Safe Water in Healthcare, as ‘a practical guide for the non-expert, with illustrations and photos’, which will be published later this year by Elsevier.


John Prendergast


John Prendergast is the Senior Decontamination Engineer working within the specialist team at NHS Wales Shared Services Partnership/Specialist Estates Services (formerly Welsh Health Estates). His role is dedicated to all aspects of decontamination/reprocessing techniques of medical devices. He is a member of a team that provides validation services, advice, and guidance, to Health Boards/Trusts within Wales, and works closely with Welsh government departments to deliver policy and strategy in this ‘unique and often complex field’. He has worked within the NHS in Wales for the past 35


years. In 2012 he completed the ACIST course (qualifying course for Authorised Engineer - Decontamination), and was formally accepted onto the IHEEM register as an Authorised Engineer (Decontamination) in late 2013. An active member of the IHEEM Welsh Branch, in 2011 he was elected onto the Central Sterilising Club committee, where he served, as both a Committee member, and Treasurer, until the CSC’s recent 2022 AGM.


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