Standard Quantitative Disk Carrier Test Method for Determining Bactericidal, Virucidal, Fungicidal, Mycobactericidal, and Sporicidal Activities of Chemicals| viruses, virucides, Trichophyton mentagrophytes conidia, surrogate, standard hard water, Staphylococcus aureus, sporicides, soil load, rotavirus, rhinovirus, quantitative carrier test, Pseudomonas aeruginosa, parvovirus, norovirus, Mycobacterium terrae, mycobactericides, membrane filtration, medical devices, hepatitis A virus, fungicides, environmental surfaces, eluent, eluate, Clostridium sporogenes spores, chemical microbicides, cell cultures, Candida albicans, calicivirus, bactericides, Bacillus subtilis spores, Aspergillus niger conidia, Adenovirus