§70.40 使用着色剂应当考虑的安全系�?Safety factors to be considered)

　　�� 70.40 Safety factors to be considered.

　　In accordance with section 721（b）（5）（A）（iii� of the act, the following safety factor will be applied in determining whether the proposed use of a color additive will be safe: Except where evidence is submitted which justifies use of a different safety factor, a safety factor of 100 to 1 will be used in applying animal experimentation data to man; that is, a color additive for use by man will not be granted a tolerance that will exceed 1/100th of the maximum no-effect level for the most susceptible experimental animals tested. The various species of experimental animals used in the tests shall conform to good pharmacological practice.