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THE ORCBS > Biological Safety > Programs & Guidelines > Biosafety Manual >
Cleaning is the removal of dirt, organic matter and stains. Cleaning includes brushing, vacuuming, dry dusting, washing or damp mopping with water containing a soap or detergent. Dirt, soil and organic matter and shield microorganisms an can interfere with the killing action of decontaminants (antiseptics, chemical germicides and disinfectants). Precleaning is essential to achieve proper disinfection or sterilization. Many germicidal products claim activity only on precleaned items. Precleaning mush be carried out with care to avoid exposure to infections agents. Materials chemically compatible with the germicides to be applied later must be used. It is quite common to use the same chemical germicide for precleaning and disinfection. |
Decontamination: Cleaning Laboratory Materials 
