[Code of Federal Regulations]
[Title 40, Volume 23]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR160.47]

[Page 157]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 160_GOOD LABORATORY PRACTICE STANDARDS--Table of Contents
 
                          Subpart C_Facilities
 
Sec. 160.47  Facilities for handling test, control, and reference substances.

    (a) As necessary to prevent contamination or mixups, there shall be 
separate areas for:
    (1) Receipt and storage of the test, control, and reference 
substances.
    (2) Mixing of the test, control, and reference substances with a 
carrier, e.g., feed.
    (3) Storage of the test, control, and reference substance mixtures.
    (b) Storage areas for test, control, and/or reference substance and 
for test, control, and/or reference mixtures shall be separate from 
areas housing the test systems and shall be adequate to preserve the 
identity, strength, purity, and stability of the substances and 
mixtures.