Chemical disinfectants. Quantitative suspension test for the evaluation of sporicidal activity of chemical disinfectants used in food, industrial, domestic & institutional areas. Test method & requirements (phase 2, step 1) Disinfectants, Cleaning materials, Suspensions (chemical), Disinfectant tests, Microbiological analysis, Quantitative analysis, Industrial, Domestic, Institutional facilities, Hard water, Food technology, Microbiological-resistance tests, Sterilization (hygiene)