Content

• Steps
• Tips
• Warnings

A sterile room is an environment typically used in manufacturing or scientific research with low levels of environmental pollutants such as dust, airborne germs, aerosol particles and chemical vapors. If it is required to work in one of these clean rooms, you will need to take appropriate measures to avoid introducing contamination.

There is no one type of clean room or one set of rules for entry, so make sure you are trained and instructed for the specific room you will be entering.

Steps

1. 1 The concept of the purpose of the regulation of cleanrooms. Processors require clean rooms, since any speck of dust can harm the processes taking place inside them. Physical pollutants include skin cells that flake off, dandruff, clothing fibers, hair. Paper, pencils, packaging materials and many other items are sources of dust, and even the smallest particles can spoil delicate products created and tested in cleanrooms.
2. 2 Find out which classroom you are entering the cleanroom. There are several different standards, but in general, the lower the number, the cleaner the cleanroom.
3. 3Recognize that humans are generally the single largest source of pollution in cleanrooms.
4. 4 Follow the instructions given by your employer or anyone who works and maintains the sterile room. Cleanroom clothing varies. It can consist of gloves, a hat and a robe in its most basic form to a full-length protective suit. Here are the basic instructions.
5. 5Take a shower every day when you enter the sterile room.
6. 6 Powder = particles. Do not use cosmetics, hairspray, perfume, or colognes in a clean room.
7. 7 Wear suitable clothing under a sterile protective suit. Skirts, high-heeled shoes, shorts, and, in some cases, short-sleeved shirts are not suitable for this. Also, avoid clothing that is particularly fluffy or prone to fiber separation or static electricity.
8. 8 Clean or change your shoes before entering the premises. Wherever possible, do not wear outdoor shoes in a sterile room environment; change to a clean and suitable pair of shoes specifically designed for the laboratory environment
   
   
   • If for this purpose there is an automatic machine (rotating brushes) at the door, use it. Place your foot in it along with your shoes. Grasp the handle to maintain balance, and then press the button. You will feel a slight bump on the shoe from the movement of the brushes, but it will not damage your shoe.
   • If there is a sticky mat, step on it several times.
9. 9 Remove personal items that you will not take with you to the cleanroom. Leave them on your desk or use the lockers if provided.
10. 10Throw away candy, gum, and anything else in your mouth.
11. 11 Wear protective equipment in the correct order. Bottom up is a good general rule to follow and it is a great idea to use benches to separate the “dressing” area from the “already dressed” area.
    
    
    • Start putting on your safety gear on the side of the bench for the “dressing process”.
    • Put on a hair cap (surgical cap) and / or hood. Use a beard protector to cover facial hair, mustache or beard. Adjust the front and back of the hood when zipping to fit snugly and comfortably.
    • An inspection process with hoods and coveralls. Wear a jumpsuit or robe. If it is in two pieces, put on the jacket first, then the pants. Zip up or zip up the neck of the hood, if available. Fasten all cuffs to close the sleeves around your wrist.
    • Sit on a bench to put on your shoe covers. Make sure you tuck your pants inside the shoe and do not let the shoe touch the floor in the bench area for the “dressing process”. Alternatively, use the automatic shoe cover dispenser.
    • Wear latex gloves or a suitable substitute if you are allergic to latex. If necessary, tape to sleeves and ankles.
12. 12 Now act as if you are a surgeon: do not touch anything until you enter the sterile room. If it becomes necessary to touch a surface or object, be sure to change the damaged gloves before entering the sterile room.
13. 13Pass through an air shower, if provided, and step on another adhesive mat as you enter.
14. 14 A wafer handler. Observe the cleanroom regulations every time you work in it.
    
    
    • Always wear protective clothing when working in a clean room.
    • Do not bring any of the following: pencils (note, graphite is conductive), erasers, paper from other areas, wood, abrasive or packaging materials such as cardboard. If you need any foreign papers in your work, store them in a plastic sleeve. Use tape only from a clean room. Be aware of what else you bring with you.
    • Wipe properly any equipment you bring. Do not move sterile equipment out of the cleanroom.
    • Move slowly and evenly. Fast, jerky, or jerky movements can spread many particles.
15. 15 Change worn or contaminated sterile protective suits. They get dirty too if you wear them and work in them. If it has been a while, make sure you have it cleaned and put on a clean one.
    
    
    • Wear new gloves, hair caps and disposable shoe covers each time you enter.
    • You can reuse gowns, overalls, reusable shoe covers, and reusable hats or hoods, but change and clean them regularly.
16. 16 Take off sterile clothing in the reverse order in which you put them on. Take it off every time you leave the cleanroom. Do not leave the sterile room wearing or taking with you the sterile suit. Put it on every time you enter and remove and fold it correctly every time you leave the premises.

Tips

• The order of your preparation matters. For example, if you put on gloves and then tuck your hair with your hands and tuck it under the cap, traces of oil and skin particles from the hair will remain on the surface of the gloves. Ask what is the correct procedure. If you're still unsure, do it from the inside out and from the dirtiest to the cleanest.
• Smokers have strict rules about where they can smoke. A “standard” procedure requires smokers to leave the building and smoke in designated areas at least 100 meters from the building, then wait at least five minutes before re-entering the facility.
• If you are visiting a sterile room that you usually do not enter, find out the correct dressing procedure.
• Always ask and follow instructions from those who work or maintain the cleanroom if they differ.
• If there is an airlock or dressing room in front of the entrance, open only one door at a time.
• If the cleanroom deals with electronics, you may need to perform additional procedures to reduce electrostatic discharge to the sensitive elements.
• Get a cleanroom suit that is the right size for you. You will feel much more comfortable in a suit your size, especially if you spend a lot of time in it.
  
  
  • Try on gowns, overalls, and overshoes, or ask to be measured when you start work. Use standard clasps to adjust the size later.
  • Find out what size of gloves you have. If your hands are perspiring with latex gloves, try wearing fabric gloves underneath.
  • Take corrective safety glasses if you wear glasses. Your employer can offset the costs and they are much more comfortable than wearing safety glasses over your glasses.
  • Hair and beard caps usually come in the same size.
• Microelectronics are sensitive to more than particles. If you work with electronics, take appropriate measures to control electrostatic discharge.

Warnings

• In the event of a fire or evacuation signal, do not stop to remove your sterile suit. Follow specified escape routes, if any, and leave immediately. After an emergency, get new sterile clothing before re-entering the sterile room.
• Never eat, drink or smoke in a clean room.
• Understand all safety issues related to cleanroom work. There may be hazardous substances, heavy equipment, high temperatures, sharp objects, hard to reach places, and high voltages. If you are dealing with any of these hazards, make sure you are well trained for it. Understand and follow the appropriate precautions.