MANUAL OF NAVAL PREVENTIVE MEDICINE
capacity of the tank and hardness of the water. Detergent should be added
to the machine as directed in the manufacturer's recommendations.
c. Unauthorized Warewashing Agents. General purpose cleaning agents
which do not specifically state, on the label, that the intended use is for
food-contact surfaces will not be used for washing tableware and utensils.
Manual warewashing compounds must not be used in warewashing machines and
warewashing machine detergent will not be used for manual warewashing.
4-4 SANITIZING AGENTS (DISINFECTANTS)
MANUAL AND MECHANICAL WAREWASHING EQUIPMENT,
CHEMICAL SANITIZATION - TEMPERATURE, pH,
CONCENTRATION, AND HARDNESS
MANUAL WAREWASHING EQUIPMENT, CHEMICAL SANITIZATION USING
WAREWASHING EQUIPMENT, DETERMINING CHEMICAL
HOT WATER AND CHEMICAL SANITIZING
4-4.1 Manual And Mechanical Warewashing Equipment, Chemical
Sanitization-Temperature, pH, Concentration, And Hardness
A chemical sanitizer used in a sanitizing solution for a manual or
mechanical operation shall be used in accordance with the EPA-Approved
manufacturer's label use instructions and as follows:
a. A chlorine solution shall have a minimum temperature based on the
concentration and pH of the solution as listed in Table 1-5.
Table 1- 5.
Requirements for a 10 second chlorine rinse
Minimum Water Temperature
pH 10 or less
pH 8 or less