(a) Personnel carrying out egg breaking operations shall comply with the following requirements:

1. (1) Wear clean outer garments and hair nets or hats which cover the entire hairline at all times.
2. (2) Wash and dry their hands with an approved sanitized soap or detergent after each visit to the toilet and after handling an inedible egg.
3. (3) Not use perfume or nail polish or other adornment which might contaminate or adulterate the eggs.
4. (4) Not expectorate or engage in other unsanitary practices.