Domestos ( and Chloros, essentially a 10-25 % solution of sodium hypochlorite ) contains 100, 000 ppm ( 10 % ) of the active component, available chlorine; many other bleaches contain 50, 000 or less.
12.
US government regulations allow food processing equipment and food contact surfaces to be sanitized with solutions containing bleach, provided that the solution is allowed to drain adequately before contact with food, and that the solutions do not exceed 200 parts per million ( ppm ) available chlorine ( for example, one tablespoon of typical household bleach containing 5.25 % sodium hypochlorite, per gallon of water ).
13.
US Government regulations ( 21 CFR Part 178 ) allow food processing equipment and food contact surfaces to be sanitized with solutions containing bleach, provided that the solution is allowed to drain adequately before contact with food, and that the solutions do not exceed 200 parts per million ( ppm ) available chlorine ( for example, one tablespoon of typical household bleach containing 5.25 % sodium hypochlorite, per gallon of water ).
