[Code of Federal Regulations]
[Title 40, Volume 22]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR180.1051]

[Page 556-557]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 180_TOLERANCES AND EXEMPTIONS FROM TOLERANCES FOR PESTICIDE CHEMICALS 
IN FOOD--Table of Contents
 
                  Subpart D_Exemptions From Tolerances
 
Sec. 180.1051  Combustion product gas; exemption from the requirements 
of a tolerance.

    The insecticide combustion product gas is exempted from the 
requirements of a tolerance when used after harvest in modified 
atmospheres for stored product insect control on all food commodities 
(except fresh meat) with the following prescribed conditions.
    (a) The insecticide is produced by the controlled combustion in air 
of butane, propane, or natural gas. The combustion equipment shall be 
provided with an absorption type filter capable of removing possible 
toxic impurities, through which all gas used in the

[[Page 557]]

treatment of food shall pass; and with suitable controls to insure that 
any combustion products failing to meet the specifications provided will 
be prevented from reaching the food being treated.
    (b) The insecticide meets the following specifications:
    (1) Carbon monoxide content not to exceed 4.5 percent by volume.
    (2) It is used or intended for use to displace or remove oxygen in 
the storage of food, except fresh meat.

[65 FR 33716, May 24, 2000]