7 Pa. Code § 37.121 – Handling and storage of materials.

(a) Requirements for food shall be as follows:
1. (1) All food ingredients received at the plant shall be wholesome.
2. (2) Storage conditions shall protect against contamination from rodents, insects and other sources.
3. (3) Storage temperature shall be in accordance with the following practices:
  1. (i) Ingredients requiring refrigeration shall be stored at an air temperature of 40°F or lower. Only areas where the temperature does not exceed 40°F shall be considered refrigerated.
  2. (ii) Frozen ingredients not in process shall be stored at an air temperature of 0°F or lower.
(b) Storage of packaging materials shall be separate and set apart from food preparation and processing operations under conditions which shall protect against contamination from rodents, insects and other sources.
(c) General housekeeping shall be conducted so that the plant and premises present a neat and orderly appearance at all times.