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Legionnaires’ disease The control of legionella bacteria in water systems


Approved Code of Practice and guidance on regulations

L8 (Fourth edition) Published 2013


This fourth edition of the ACOP and guidance on regulations contains revisions to simplify and clarify the text. The main changes are removing Part 2, the technical guidance, which is published separately as HSG274 at www.hse.gov.uk/pubns/books/hsg274.htm, and giving the following issues ACOP status:



OUT NOW - http://www.hse.gov.uk/pubns/books/l8.htm


Also Published


The guidance is in three parts:


 Part 1: The control of legionella bacteria in evaporative cooling systems


 Part 2: The control of legionella bacteria in hot and cold water systems - Interim guidance (old guidance only)


 Part 3: The control of legionella bacteria in other risk systems


The complete hard copy edition of HSG274, including revised guidance on hot and cold water systems, and a revised online version of Part 2, will be published in 2014

http://www.hse.gov.uk/pubns/books/hsg274.htm