[Code of Federal Regulations]
[Title 40, Volume 21]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR157.22]

[Page 74-75]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 157--PACKAGING REQUIREMENTS FOR PESTICIDES AND DEVICES--Table of 
Contents
 
                  Subpart B--Child-Resistant Packaging
 
Sec. 157.22  When required.

    Unless exempted under Sec. 157.24, a pesticide product must be 
distributed and sold in child-resistant packaging complying with 
Sec. 157.32 if it meets both of the following criteria:
    (a) Toxicity criterion. Based upon testing with an appropriate test 
species, the product meets any of the following toxicity criteria:
    (1) The pesticide has an acute oral LD50 of 1.5 g/kg or 
less;
    (2) The pesticide has an acute dermal LD50 of 2000 mg/kg 
or less;
    (3) The pesticide has an acute inhalation LC50 of 2 mg/
liter or less;
    (4) The pesticide is corrosive to the eye (causes irreversible 
destruction of ocular tissue) or causes corneal involvement or 
irritation persisting for 21 days or more;
    (5) The pesticide is corrosive to the skin (causes tissue 
destruction into the dermis and/or scarring) or causes severe skin 
irritation (severe erythema or edema) at 72 hours; or
    (6) The pesticide or device has such characteristics that, based 
upon human toxicological data, use history, accident data or such other 
evidence as is

[[Page 75]]

available, the Agency determines there is serious hazard of accidental 
injury or illness which child-resistant packaging could reduce; and
    (b) Use criterion. The product's labeling either directly recommends 
residential use or reasonably can be interpreted to permit residential 
use.