R3-10-1104. Maintenance of Instruments and Controls

Instruments or controls the farm uses to measure, regulate, or record temperatures, hydrogen-ion concentration (pH), sanitizer efficacy or other conditions, in order to control or prevent the growth of undesirable microorganisms of public health significance, shall be: 1. Accurate and precise as necessary and appropriate in keeping with their purpose; 2. Adequately maintained; and 3. Adequate in number for their designated uses.