2. The Simple Science of Cleaning Water is the simplest cleaning agent but it needs help Imagine trying to wash a greasy plate with just cold water. Detergents help water to break down soil and remove dirt and stains. They also hold dirt particles in suspension. This prevents dirt and soil being re-deposited onto clean surfaces.

3. What is a pH Scale? The pH scale ranges from 1 -14 and will measure the degree of alkalinity or acidity in a cleaning product. ACID cleaners usually come in the range from 0 - 5 ALKALINE cleaners are usually between 9 -13 water, which is NEUTRAL is 7 on the pH scale but many cleaning products are also described as neutral detergents and are used in regular cleaning

4. What a cleaning Chemical does ¶Neutral detergents are used in daily routine cleaning. ·Acid detergents are used to descale surfaces where metal salts and limescale have built up. ¸Acid cleaners must be used carefully. ¹Alkaline detergents are used as hard surface cleaners, floor strippers and de-greasing agents. ºStrong alkaline cleaners may damage wood, marble, chrome and aluminum surfaces if used incorrectly. Always follow the dilution follow the dilution rates so as to achieve effectiveness in cleaning!

5. ¶Treat chemicals with care. ·Follow instructions for use. ¸Keep in original containers or DiverseyLever dispensers. ¹NEVER mix chemicals. together as harmful fumescan be given off. ºNEVER drink chemicals. »Watch out for hazard warning labels. ¼Wear appropriate protective clothing. if issued, such as rubber gloves ½Use only authorized chemicals. ¾Store chemicals safely. ¿Observe safe working practices. Remember: Follow all control measures laid down by your employer. DON’T Using Cleaning Chemicals Safely

6. Using Cleaning Chemicals Safely Cnt. ÊTTreat chemicals with care. · Use correct dilution rates. ¸ Change cleaning solutions frequently and never top up. ¹ Heavy items and chemical containers should not be stored above eye level. º Label cleaning chemical bottles correctly with details of contents » Never smoke in a store area containing cleaning chemicals. The Cleaning Manager should always retain a set of Material Safety Data Sheets for each product for reference.