[Code of Federal Regulations]
[Title 40, Volume 19]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR116.3]

[Page 109-111]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 116--DESIGNATION OF HAZARDOUS SUBSTANCES--Table of Contents
 
Sec. 116.3  Definitions.

    As used in this part, all terms shall have the meaning defined in 
the Act and as given below:
    The Act means the Federal Water Pollution Control Act, as amended by 
the Federal Water Pollution Control Act Amendments of 1972 (Pub. L. 92-
500), and as further amended by the Clean Water Act of 1977 (Pub. L. 95-
217), 33 U.S.C. 1251 et seq.; and as further amended by the Clean Water 
Act Amendments of 1978 (Pub. L. 95-676);
    Animals means appropriately sensitive animals which carry out 
respiration by means of a lung structure permitting gaseous exchange 
between air and the circulatory system;
    Aquatic animals means appropriately sensitive wholly aquatic animals 
which carry out respiration by means of a gill structure permitting 
gaseous exchange between the water and the circulatory system;

[[Page 110]]

    Aquatic flora means plant life associated with the aquatic eco-
system including, but not limited to, algae and higher plants;
    Contiguous zone means the entire zone established or to be 
established by the United States under article 24 of the Convention of 
the Territorial Sea and the Contiguous Zone;
    Discharge includes, but is not limited to, any spilling, leaking, 
pumping, pouring, emitting, emptying or dumping, but excludes (A) 
discharges in compliance with a permit under section 402 of this Act, 
(B) discharges resulting from circumstances identified and reviewed and 
made a part of the public record with respect to a permit issued or 
modified under section 402 of this Act, and subject to a condition in 
such permit, and (C) continuous or anticipated intermittent discharges 
from a point source, identified in a permit or permit application under 
section 402 of this Act, which are caused by events occurring within the 
scope of relevant operating or treatment systems;
    LC50 means that concentration of material which is lethal to one-
half of the test population of aquatic animals upon continuous exposure 
for 96 hours or less.
    Mixture means any combination of two or more elements and/or 
compounds in solid, liquid, or gaseous form except where such substances 
have undergone a chemical reaction so as to become inseparable by 
physical means.
    Navigable waters is defined in section 502(7) of the Act to mean 
``waters of the United States, including the territorial seas,'' and 
includes, but is not limited to:
    (1) All waters which are presently used, or were used in the past, 
or may be susceptible to use as a means to transport interstate or 
foreign commerce, including all waters which are subject to the ebb and 
flow of the tide, and including adjacent wetlands; the term wetlands as 
used in this regulation shall include those areas that are inundated or 
saturated by surface or ground water at a frequency and duration 
sufficient to support, and that under normal circumstances do support, a 
prevelance of vegetation typically adapted for life in saturated soil 
conditions. Wetlands generally include swamps, marshes, bogs and similar 
areas; the term adjacent means bordering, contiguous or neighboring;
    (2) Tributaries of navigable waters of the United States, including 
adjacent wetlands;
    (3) Interstate waters, including wetlands; and
    (4) All other waters of the United States such as intrastate lakes, 
rivers, streams, mudflats, sandflats and wetlands, the use, degradation 
or destruction of which affect interstate commerce including, but not 
limited to:
    (i) Intrastate lakes, rivers, streams, and wetlands which are 
utilized by interstate travelers for recreational or other purposes; and
    (ii) Intrastate lakes, rivers, streams, and wetlands from which fish 
or shellfish are or could be taken and sold in interstate commerce; and
    (iii) Intrastate lakes, rivers, streams, and wetlands which are 
utilized for industrial purposes by industries in interstate commerce.


Navigable waters do not include prior converted cropland. 
Notwithstanding the determination of an area's status as prior converted 
cropland by any other federal agency, for the purposes of the Clean 
Water Act, the final authority regarding Clean Water Act jurisdiction 
remains with EPA.
    Offshore facility means any facility of any kind located in, on, or 
under, any of the navigable waters of the United States, and any 
facility of any kind which is subject to the jurisdiction of the United 
States and is located in, on, or under any other waters, other than a 
vessel or a public vessel;
    Onshore facility means any facility (including, but not limited to, 
motor vehicles and rolling stock) of any kind located in, on, or under, 
any land within the United States other than submerged land;
    Otherwise subject to the jurisdiction of the United States means 
subject to the jurisdiction of the United States by virtue of United 
States citizenship, United States vessel documentation or numbering, or 
as provided for by international agreement to which the United States is 
a party.
    A discharge in connection with activities under the Outer 
Continental Shelf Lands Act or the Deepwater Port Act of

[[Page 111]]

1974, or which may affect natural resources belonging to, appertaining 
to, or under the exclusive management authority of the United States 
(including resources under the Fishery Conservation and Management Act 
of 1976), means: (1) A discharge into any waters beyond the contiguous 
zone from any vessel or onshore or offshore facility, which vessel or 
facility is subject to or is engaged in activities under the Outer 
Continental Shelf Lands Act or the Deepwater Port Act of 1974, and (2) 
any discharge into any waters beyond the contiguous zone which contain, 
cover, or support any natural resource belonging to, appertaining to, or 
under the exclusive management authority of the United States (including 
resources under the Fishery Conservation and Management Act of 1976).
    Public vessel means a vessel owned or bareboat-chartered and 
operated by the United States, or a State or political subdivision 
thereof, or by a foreign nation, except when such vessel is engaged in 
commerce.
    Territorial seas means the belt of the seas measured from the line 
of ordinary low water along that portion of the coast which is in direct 
contact with the open sea and the line marking the seaward limit of 
inland waters, and extending seaward a distance of 3 miles.
    Vessel means every description of watercraft or other artificial 
contrivance used, or capable of being used, as a means of transportation 
on water other than a public vessel;

[43 FR 10474, Mar. 13, 1978; 43 FR 27533, June 26, 1978, as amended at 
44 FR 10266, Feb. 16, 1979; 58 FR 45039, Aug. 25, 1993]