StacksVerified U.S. regulatory reference

21 CFR §112.124

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Instruments or controls you use to measure, regulate, or record temperatures, hydrogen-ion concentration (pH), sanitizer efficacy or other conditions, in order to control or prevent the growth of microorganisms of public health significance, must be:
  1. (a)Accurate and precise as necessary and appropriate in keeping with their purpose;
  2. (b)Adequately maintained; and
  3. (c)Adequate in number for their designated uses.