t: 020 8239 8865   f: 020 8683 6460   e: info@hawtl.co.uk
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What is legionella?
Legionella Risk Assessment FAQ's
Legionella Control Journal
Water Management Society
HSE/Info about Legionnaire’s Disease Legionella Control Association
British Association for Chemical Specialities Health and Safety Executive
Chartered Institution of Water and Environmental Management
Drinking Water Inspectorate
Department of the Environment, Transport & Regions
Office of the Water Regulator
Water Research Centre (WRc)
Water UK (water industry trade association)
Legionella Control AssociationBSI RegisteredSafe Contractor Approved
Water Services
HOWLETT ASSOCIATES WATER TREATMENT LIMITED


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. 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 complete water treatment programmes are designed to prevent scale, corrosion, suspended solids and microbiological fouling by determining the correct treatment methods for the local conditions.
Our range of 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

A full range of Legionella Risk Assessment is offered from Legionella identification to a full bacteriological report detailing potable quality to EC Guideline (80/778 EC).

All samples will be analysed in accordance with recognised test methods and by UKAS accredited laboratories.

Service In accordance with our own Quality Management System, which has now achieved registration to the newest BS EN ISO 9001 standard, we place great emphasis on the service aspect of a water treatment programme. Regular service visits ensure that your plant is benefiting from the tailored water treatment programme, operating efficiently and receiving the correct application of treatment chemicals in the most economical manner.

On site fully trained representatives, using standard titration and colourmetric techniques, will undertake 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

Our water hygiene and chemical cleaning teams are fully trained, equipped and experienced to offer a wide range of services including the following:

» Cleaning and disinfection
» Pre-commission cleaning
» Chemical cleaning
» De-scaling
» Specialist paints and re-coatings Tank and pipe work modifications or replacement

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Howlett Associates Water Treatment Limited,
Challenge House, 616 Mitcham Road,
Croydon, Surrey, CR0 3AA.
t: 020 8239 8865 f: 020 8683 6460
e: info@hawtl.co.uk