C FDA C106039 FDA CDRH GUDID Terminology C107418 Liquid Chemical Sterilant A sterilization process that uses liquid chemical as its sterilant to kill microorganisms. A sterilization process to kill microorganisms using a liquid sterilant. C FDA C106039 FDA CDRH GUDID Terminology C107419 High Level Disinfectant A germicide that inactivates all microbial pathogens, except small numbers of bacterial endospores. A sterilization method that uses a disinfectant for a period of time to kill all microorganisms except small numbers of bacterial spores.