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File: Cleanroom Gowning Digital
cleanroom gowning best practices lighthouse worldwide solutions overview before you go into a cleanroom you should perform some type of gowning practice depending on the classification of the cleanroom different ...

icon picture PDF Filetype PDF | Posted on 15 Sep 2022 | 3 years ago
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   CLEANROOM
   GOWNING
   BEST PRACTICES
   Lighthouse Worldwide Solutions
                          Overview
         Before you go into a cleanroom, you should perform some type of gowning practice. 
      Depending on the classification of the cleanroom, different levels or types of gowning should 
      be required. In general, you will need to wear a gown over your whole body, disposable boots, 
             gloves, a head covering of some kind, a face mask, and eye covers.
      Gowning is incredibly important in a cleanroom because the biggest source of contamination is 
      you! The biggest source of contaminants, by far, is human personnel. Unlike inanimate objects, 
       human beings cannot be sterilized. Even when sitting perfectly still, we continuously spread 
                around dead skin, hairs, microbes, and other pollutants.
      Thus, it is necessary for cleanroom personnel to wear specially designed clothing that can serve 
                            two functions:
           1. Preventing natural human contaminants from infecting the environment.
               2. Protecting the wearer from hazards in the immediate area.
     2
    What Are The Regulatory Requirements For 
    Gowning?
    There are no federal regulations for sterile cleanroom garments in the pharmaceutical industry. 
    Instead, the Institute of Environmental Sciences and Technology (IEST) offers guidance. Their 
    recommended practices can be found in IEST- RP-CC003.3, “Garment Considerations for 
    Cleanrooms and Other Controlled Environments.”
    Regulatory guidelines advising on the suitability of garments for the various cleanroom classifications 
    include:
     ■  EudraLex, Volume 43
     ■  International Standard ISO 14644-4:2001(E) Annex A4
     ■  Rules and Guidance for Pharmaceutical Manufacturers and Distributors, Annex 15
     ■  21 CFR 211 (b)6
    What Gowning Considerations Do You Need To 
    Keep In Mind?
    Like so many beneficial accessories, cleanroom apparel must be used 
    correctly to benefit the environment. It requires a precise sequence of 
    actions to ensure that the clothes do not become contaminated. Exactly 
    how this sequence goes depends on the needs of the particular facility, 
    including its ISO cleanroom classification. There is no standardized 
    gowning procedure that applies to every environment.
    In general, though, the gowning procedure involves thoroughly cleaning 
    exposed skin (including the removal of cosmetics) and any clothing 
    that will be worn underneath the cleanroom apparel. Jewelry must be 
    removed or at least completely covered. Personnel must be able to don 
    their clothing while preventing it from touching the ground, where it can 
    pick up contaminants, at any time during the process. Many cleanrooms 
    place a sticky mat before the entrance to remove dirt and other 
    contaminants from the shoes of personnel.
                                                          3
    While cleanroom garments can either be disposable or reusable, according to industry analysts, most 
    sterile facilities will opt for disposable garments. This is due to contamination concerns related to 
    reusable garments returned from laundering facilities. In some companies, disposables may be used 
    at some locations and reusables at others. This can depend on the classes of the various cleanrooms 
    at different locations.
    Most operators in a pharmaceutical sterile environment will wear three to four disposable suits in 
    a day. Each suit will have been worn for two to three hours at a time. Often, cleanroom protocol 
    dictates that garment changes must be made each time the cleanroom is re-entered. Once 
    discarded, these suits can be incinerated. They can also be re-purposed through a garment recovery 
    service that will take the used garments and sell them back into non-sterile applications.
    When a cleanroom operator is due to start a aseptic gowning process, it is paramount that the 
    correct size garment (coverall, hood, and overboot) is available on each occasion. Poorly fitting 
    garments increases the risk of contamination. The management and control of all aseptic gowning 
    inventories, therefore, must commence well before the operator dons a cleanroom garment. Among 
    the aspects to be considered and managed are:
     ■  The supply, storage, and rotation of stock.
     ■  The availability of the correct size and type of gowns at all times, at all storage locations.
     ■  Effective and ‘in date’ operator training, i.e. operatives must be assessed regularly.
     ■  A defined process of how to handle damaged garments and a documented maximum 
       number of washing cycles and repairs.
    How Should You Conduct Gowning Training?
    Training should be conducted regularly, as people often forget things shortly after they are learned. 
    It should also be done with visual aids, such as via video or in-person. If the training is recorded, it 
    will be helpful to refer back to if problems arise.
    An additional training technique involves video taping 
    individuals as they gown up before entering a cleanroom. 
    This allows trainers to refer back to the tapes to notice any 
    issues in technique. It also allows cleanroom managers to 
    note if a contamination event is in conjunction with poor 
    gowning.
     4
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