Accepta Newsletter #16: Legionnaires' Disease, Waste Oily Water...

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Accepta Newsletter: Issue 16

Welcome to issue 16; this month we feature a number of excellent articles including a short guide on legionnaires' disease written for property owners and providers of residential accommodation, a case study demonstrating the benefits of a system to treat oily wastewaters; plus a very useful guide for owners and users of private water supplies outlining the risks of contamination.

If you find our newsletter useful please pass it on to friends and colleagues. And if there are any subjects you'd like to see included in future issues please e-mail me at sdooner@accepta.com.

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In this issue:
  • Legionnaires' Disease: Essential Information for Providers of Residential Accommodation.
  • Cost Effective Treatment of Waste Oily Water: A Case Study.
  • Business Skills: How to Satisfy Customers.
  • How Safe are Private Water Supplies?
  • Business Skills: Two Words that Persuade.
  • Water Harvesting.

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Legionnaires' Disease

Essential Information for Providers of

Residential Accommodation

This excellent guide, produced by the UK's Health & Safety Executive provides essential information on legionnaires' disease for a wide range of organisations, groups or self-employed individuals providing residential accommodation and who are responsible for the water system(s) in their premises, including:

  • local authorities;
  • universities;
  • housing associations, including housing companies;
  • charities;
  • hostels;
  • landlords in the private renting sector;
  • managing agents and facilities managers;
  • hoteliers, bed & breakfast, guest house and holiday camp owners; and
  • caravan and camping site owners, including fixed caravan sites.

The guide provides advice on some important changes to the revised Approved Code of Practice (ACOP) and guidance Legionnaires' disease: The control of legionella bacteria in water systems and how they could affect providers of residential accommodation.

This short guide will help you understand what these changes mean for you, and the action you will need to take to ensure that the risk from exposure to legionella in the premises you are responsible for is properly controlled……more

For your complimentary copy of this excellent guide please e-mail sdooner@accepta.com quoting the full title of the document.

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Cost Effective Treatment of Waste Oily Water

Case Study

A development project to demonstrate the benefits of a system to treat oily wastewaters

Engineering workshops use large quantities of water-based metalworking fluids to remove heat and swarf from the cutting surfaces, and reduce friction between the tools and the workpiece. Careful management of these fluids helps to extend their useful life, but ultimately they have to be disposed of. In the UK alone engineering companies generate an estimated 400 000 tonnes/year of spent fluids, which represents a significant cost.

Spent metalworking fluids contain a layer of free/separated oil (5 - 10%), a soluble phase including emulsified oil (80 - 90%) and a small amount of solid material (<0.5%). A mixture of toxic organic compounds, e.g. biocides and surfactants, is dissolved in the water phase. These compounds are unsuitable for discharge to sewer without treatment. Established processes, such as oleophilic mops, can remove the free/separated oil, while emulsified oil can be separated into organic and aqueous phases, e.g. by ultrafiltration. The water soluble components, however, remain unaffected by these processes and may find their way into the environment and cause harm.

Spent metalworking fluids contain a mixture of free and emulsified oils together with a cocktail of toxic, water-soluble organic compounds. Free and emulsified oils can be recovered using existing treatment techniques, but the water-soluble components are unaffected and remain in the water phase. A prototype system to remove soluble organic compounds from oily wastewater was developed and tested at a site belonging to one of the project partners. The system uses a novel synthetic carbon adsorbent and low-temperature, in-situ carbon regeneration. Trials showed that the prototype system significantly reduced the chemical oxygen demand (COD) of wastewater that had been pretreated to remove free and emulsified oils. The polished water is potentially suitable for re-use on-site.

The benefits of this novel treatment system include:

  • Up to 90% reduction in wastewater COD.
  • Reduced waste disposal charges.
  • Significant reduction in water consumption.
  • Potential application to oily wastewaters from other industries.....more

For your complimentary copy of this excellent case study please e-mail sdooner@accepta.com quoting the full title of the document.

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Business Skills

How To Satisfy Customers

Research International, a company that continually builds a body of knowledge about market research, shares these thoughts and directions on customer satisfaction.

Service accounts for almost 40% of a customer's decision to buy from a specific home electronics retailer. Stores with managers who work at pleasing customers show a solid increase in profitability each year.

Customer service has to be improved by starting with the CEO's office. Commitment from the top must be communicated to all employees.

Carefully estimate training time and make sure your people get it.

Make sure employees know what you're trying to improve and know how to go about helping.

If you've improved your customer service, make sure customers know it. If a survey shows that people think it takes a week to get materials delivered, and you're delivering them in two days, make sure you get credit for your new accomplishment. Run an awareness campaign.

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How Safe are Private Water Supplies?

The purpose of this document is to alert the owners and users of private water supplies to the risks of contamination of their water. Although most private water supplies are probably safe to drink most of the time, this document gives details of the risks and of what you can do to protect your supply. A number of serious illnesses can be contracted from contaminated water supplies.

What is a private water supply?

In general terms a private water supply is any water supply which is not provided by a water company. It is not a "mains" supply. About 1% of the population of England and Wales have private water supplies to their homes. Most private supplies are situated in the more remote, rural parts of the country. The source of the supply may be a well, borehole, spring, stream, river, lake or pond. The supply may serve just one property or several properties through a network of pipes.

What is the problem?

Safe drinking water is essential to good health. All private water supplies can pose a threat to health unless they are properly protected and treated. They may become contaminated with bacteria, protozoa, parasites and viruses (micro-organisms) or other substances. Many of these are harmless, but some may cause serious illness or even death in vulnerable people. You may not be able to tell whether your water is safe as contamination may not show by smell, taste or colour of the water. Unlike public supplies, many private supplies are not treated to remove contamination.

This document explains a number of things you can do to protect your supply and reduce the risk of contamination. It also gives you information about different types of private water supply, and things which may contaminate them......

To read the full article click here.

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Business Skills

Two Words That Persuade

Two key words will make you more persuasive. The words: "if" and "then."

Whether you're trying to sell equipment or an idea, the message that works is "If you will take this action, then you'll get this reward."

The next time you're planning to try to persuade someone, think about using these two words to get what you want.

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Water Harvesting

In the UK less than five percent of tap water is currently used for cooking and drinking, with each person using less than 17.15 litres per day for 'life sustaining' purposes. This means that 95% of the water household's use is for non-potable purposes like flushing the toilet, washing machines and dishwashers, and watering the garden.

The UK has the highest water consumption per capita (343 litres per day) of any European country. That equates to 18,000 million litres of water used each day. Ninety-five percent of this is used for non-potable purposes but it is still being passed through the expensive water purification process and stored in massive land-consuming reservoirs.

In industry, where the proportion of non-potable water usage is just as high, the potential environmental and financial savings are considerably more. It is estimated that water bills cost more than 1% of company business turnover. One potential solution exists in the installation of a 'parallel' system of water supply, with one for drinking water and one for non-drinking water. This technology is normally referred to as 'water harvesting' and is more than catching the natural rainfall and reusing it. A number of methods of water harvesting are being developed, such as the development of permeable pavements and sub-bases that retain and clean storm water run-off.

The built environment provides two main catchment areas - the roof of a building and the associated hard landscaping, such as roads, car parks and paved areas. The incorporation of these hard landscaped areas around buildings has changed the course of natural drainage, often intensifying the effects of flooding worse.

The UK's Building Regulations state that 'paved areas around a building shall be so constructed as to be adequately drained…providing…an adequate soak-away or some other adequate infiltration system…where…methods of drainage other than connection to a public surface water sewer are encouraged where they are technically feasible'.

The incorporation of a water harvesting system to satisfy these requirements can produce both environmental and financial benefits. This is particularly significant, as it will help to hold off some of the costs of the EC Water Framework Directive, which is likely to add further costs for users.

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