[Code of Federal Regulations]
[Title 21, Volume 6]
[Revised as of April 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR509.3]

[Page 33]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES--(Continued)
 
PART 509--UNAVOIDABLE CONTAMINANTS IN ANIMAL FOOD AND FOOD-PACKAGING MATERIAL--Table of Contents
 
                      Subpart A--General Provisions
 
Sec. 509.3  Definitions and interpretations.


    (a) Act means the Federal Food, Drug, and Cosmetic Act.
    (b) The definitions of terms contained in section 201 of the act are 
applicable to such terms when used in this part unless modified in this 
section.
    (c) A naturally occurring poisonous or deleterious substance is a 
poisonous or deleterious substance that is an inherent natural 
constituent of a food and is not the result of environmental, 
agricultural, industrial, or other contamination.
    (d) An added poisonous or deleterious substance is a poisonous or 
deleterious substance that is not a naturally occurring poisonous or 
deleterious substance. When a naturally occurring poisonous or 
deleterious substance is increased to abnormal levels through 
mishandling or other intervening acts, it is an added poisonous or 
deleterious substance to the extent of such increase.
    (e) Food includes pet food, animal feed, and substances migrating to 
food from food-contact articles.