[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: 40CFR160.81]

[Page 158]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 160_GOOD LABORATORY PRACTICE STANDARDS--Table of Contents
 
                 Subpart E_Testing Facilities Operation
 
Sec. 160.81  Standard operating procedures.


    (a) A testing facility shall have standard operating procedures in 
writing setting forth study methods that management is satisfied are 
adequate to insure the quality and integrity of the data generated in 
the course of a study. All deviations in a study from standard operating 
procedures shall be authorized by the study director and shall be 
documented in the raw data. Significant changes in established standard 
operating procedures shall be properly authorized in writing by 
management.
    (b) Standard operating procedures shall be established for, but not 
limited to, the following:
    (1) Test system area preparation.
    (2) Test system care.
    (3) Receipt, identification, storage, handling, mixing, and method 
of sampling of the test, control, and reference substances.
    (4) Test system observations.
    (5) Laboratory or other tests.
    (6) Handling of test systems found moribund or dead during study.
    (7) Necropsy of test systems or postmortem examination of test 
systems.
    (8) Collection and identification of specimens.
    (9) Histopathology.
    (10) Data handling, storage and retrieval.
    (11) Maintenance and calibration of equipment.
    (12) Transfer, proper placement, and identification of test systems.
    (c) Each laboratory or other study area shall have immediately 
available manuals and standard operating procedures relative to the 
laboratory or field procedures being performed. Published literature may 
be used as a supplement to standard operating procedures.
    (d) A historical file of standard operating procedures, and all 
revisions thereof, including the dates of such revisions, shall be 
maintained.