[Code of Federal Regulations]
[Title 40, Volume 18, Parts 260 to 265]
[Revised as of July 1, 2000]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR261.23]

[Page 55]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
PART 261--IDENTIFICATION AND LISTING OF HAZARDOUS WASTE--Table of Contents
 
              Subpart C--Characteristics of Hazardous Waste
 
Sec. 261.23  Characteristic of reactivity.

    (a) A solid waste exhibits the characteristic of reactivity if a 
representative sample of the waste has any of the following properties:
    (1) It is normally unstable and readily undergoes violent change 
without detonating.
    (2) It reacts violently with water.
    (3) It forms potentially explosive mixtures with water.
    (4) When mixed with water, it generates toxic gases, vapors or fumes 
in a quantity sufficient to present a danger to human health or the 
environment.
    (5) It is a cyanide or sulfide bearing waste which, when exposed to 
pH conditions between 2 and 12.5, can generate toxic gases, vapors or 
fumes in a quantity sufficient to present a danger to human health or 
the environment.
    (6) It is capable of detonation or explosive reaction if it is 
subjected to a strong initiating source or if heated under confinement.
    (7) It is readily capable of detonation or explosive decomposition 
or reaction at standard temperature and pressure.
    (8) It is a forbidden explosive as defined in 49 CFR 173.51, or a 
Class A explosive as defined in 49 CFR 173.53 or a Class B explosive as 
defined in 49 CFR 173.88.
    (b) A solid waste that exhibits the characteristic of reactivity has 
the EPA Hazardous Waste Number of D003.

[45 FR 33119, May 19, 1980, as amended at 55 FR 22684, June 1, 1990]