Louisiana Administrative Code › Title 33 - ENVIRONMENTAL QUALITY › Part IX - Water Quality › Subpart 2 - The Louisiana Pollutant Discharge Elimination System (LPDES) Program › Chapter 57 - Toxic Pollutant Effluent Standards and Prohibitions › Section IX-5703 - Definitions

Current through Register Vol. 50, No. 6, June 20, 2024
A. All terms not
				  defined herein shall have the meaning given them in the Act or in LAC
				  33:IX.Chapters 31-35 or 37-47 and 51-55. As used in this Chapter, the term:
Act
- the Clean Water Act (CWA) as defined
					 in LAC 33:IX.2313 and the appropriate provisions of the LEQA and
					 regulations.
Administrator
- the Administrator of the
					 Environmental Protection Agency or any employee of the Agency to whom the
					 Administrator may by order delegate the authority to carry out his functions
					 under Section 307(a) of the Act, or any person who shall by operation of law be
					 authorized to carry out such functions.
Air Emissions
- the release or discharge
					 of a toxic pollutant by an owner or operator into the ambient air
					 either:
a. by means of a stack; or
b. as a fugitive dust, mist or vapor as a result inherent
					 to the manufacturing or formulating process.
Ambient Water Criterion
- the
					 concentration of a toxic pollutant in a waters of the state that, based upon
					 available data, will not result in adverse impact on important aquatic life, or
					 on consumers of such aquatic life, after exposure of that aquatic life for
					 periods of time exceeding 96 hours and continuing at least through one
					 reproductive cycle; and will not result in a significant risk of adverse health
					 effects in a large human population based on available information such as
					 mammalian laboratory toxicity data, epidemiological studies of human
					 occupational exposures, or human exposure data, or any other relevant
					 data.
Construction
- any placement, assembly, or
					 installation of facilities or equipment (including contractual obligations to
					 purchase such facilities or equipment) at the premises where such equipment
					 will be used, including preparation work at such premises.
Effluent Standard
- for purposes of
					 Section 307, the equivalent of effluent limitation as that term is defined in
					 Section 502(11) of the Act with the exception that it does not include a
					 schedule of compliance.
Existing Source
- any source which is not
					 a new source as defined below.
Fugitive Dust, Mist or Vapor
- dust, mist
					 or vapor containing a toxic pollutant regulated under this Chapter which is
					 emitted from any source other than through a stack.
Manufacturer
- any establishment engaged
					 in the mechanical or chemical transformation of materials or substances into
					 new products including but not limited to the blending of materials such as
					 pesticidal products, resins, or liquors.
New Source
- source discharging a toxic
					 pollutant, the construction of which is commenced after proposal of an effluent
					 standard or prohibition applicable to such source if such effluent standard or
					 prohibition is thereafter promulgated in accordance with
					 Section
					 307 of the Act.
Owner or Operator
- any person who owns,
					 leases, operates, controls, or supervises a source as defined below.
Permit
- a permit for the discharge of
					 pollutants into waters of the state under the Louisiana Pollutant Discharge
					 Elimination System established by Section 402 of the Act and implemented in LAC
					 33:IX.Chapters 31-47 and 51-55.
Process Wastes
- any designated toxic
					 pollutant, whether in wastewater or otherwise present, which is inherent to or
					 unavoidably resulting from any manufacturing process, including that which
					 comes into direct contact with or results from the production or use of any raw
					 material, intermediate product, finished product, byproduct or waste product
					 and is discharged into the waters of the state.
Prohibited
- the constituent shall be
					 absent in any discharge subject to these standards, as determined by any
					 analytical method.
Source
- any building, structure,
					 facility, or installation from which there is or may be the discharge of toxic
					 pollutants designated as such by the EPA or DEQ under Section 307(a)(1) of the
					 Act.
Stack
- chimney, flue, conduit, or duct
					 arranged to conduct emissions to the ambient air.
State Administrative Authority
- the chief
					 administrative officer of a state or interstate water pollution control agency
					 operating an approved NPDES permit program. In the event responsibility for
					 water pollution control and enforcement is divided among two or more state or
					 interstate agencies, the term state administrative authority means the
					 administrative officer authorized to perform the particular procedure to which
					 reference is made.
Ten Year 24-Hour Rainfall Event
- the
					 maximum precipitation event with a probable recurrence interval of once in 10
					 years as defined by the National Weather Service in Technical Paper No. 40,
					 Rainfall Frequency Atlas of the United States, May 1961, and subsequent
					 amendments or equivalent regional or state rainfall probability information
					 developed therefrom.
Working Day
- the hours during a calendar
					 day in which a facility discharges effluents subject to this
					 Chapter.
AUTHORITY NOTE:
					 Promulgated in accordance with
					 R.S.
					 30:2001 et seq., and in particular Section
					 2074(B)(3) and (B)(4)