Legionnaires' Disease
What is legionella?
Legionella Risk Assessment FAQ's
Water Hygiene
Water Softener
Steam Boiler Treatment
Legionella Control Journal
Water Management Society
HSE/Info about Legionnaires Disease Legionella Control Association
British Association for Chemical Specialities Health and Safety Executive
Water Research Centre (WRc)
Water UK (water industry trade association)
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Legionella Risk Assessment
The Health & Safety Commission require building operators to comply with the Health and Safety at Work etc. Act 1974, the Control of Substances Hazardous to Health Regulations 2002 and the Health and Safety Commission’s Approved Code of Practice & Guidance (L8) document 2001
In order to prevent or control legionella bacteria in water systems and the initial start point is a water hygiene risk assessment (Legionella risk assessment). Howlett are able to offer a full water hygiene risk assessment including Legionella Risk Assessment of any given building in order to comply with the relevant legislation & guidelines.
Cooling Tower Water Treatment
Our range of Cooling Tower Treatment products for cooling tower condenser water applications has been increased with new products, specifically designed to give outstanding performance, control and flexibility in choice of application.
Bacteriological Analysis
All samples will be analysed in accordance with recognised test methods for bacteria and by UKAS accredited laboratories.
On site fully trained representatives, using standard titration and colourmetric techniques, will undertake Cooling Tower Treatment analysis and monitoring of our water treatment programmes.
A complete range of test kits for site use is available together with site training.
A detailed Cooling Tower & Domestic Water Services Record File to conform to the requirements of the HSC Approved Code of Practice & Guidance (L8) document and is placed on site, which will ensure compliance with all Statutory Guidelines for record keeping.
Site Services
» Cleaning and disinfection
» Pre-commission cleaning
» Chemical cleaning
» Steam boiler treatment
» De-scaling
» Specialist paints and re-coatings Tank and pipe work modifications or replacement
Copyright Howlett Associates Water Treatment Ltd
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1st Floor, Park House, 1 - 4 Park Terrace,
Worcester Park, Surrey, KT4 7JZ.
t: 020 8337 3516 | f: 020 3277 1015 | e: info@hawtl.co.uk



