Unless the context specifically indicates otherwise, the following
terms and phrases, as used in these regulations, shall have the following
meanings:
ACT or THE ACT or CLEAN WATER ACT
Federal Water Pollution Control Act, as amended by the Federal
Water Pollution Control Act Amendments of 1972, the Clean Water Act
of 1977 and the Water Quality Act of 1987, 33 U.S.C. § 1251
et seq., and any subsequent amendments thereto.
APPROVAL AUTHORITY
The director in an NPDES state with an approved state pretreatment
program and the Administrator of the EPA in a non-NPDES state or NPDES
state without an approved state pretreatment program.
AUTHORIZED REPRESENTATIVE OF INDUSTRIAL USER
(1)
In the case of a corporation, a president, secretary, treasurer
or vice president of the corporation in charge of a principal business
function;
(2)
In the case of a partnership or proprietorship, a general partner
or proprietor; and
(3)
A duly authorized representative of the individual designated
above, if:
(a)
Such representative is responsible for the overall operation
of the facilities from which the indirect discharge into the POTW
originates;
(b)
The authorization is in writing; and
(c)
The written authorization is submitted to the POTW.
BIOCHEMICAL OXYGEN DEMAND (BOD5)
The quantity of oxygen utilized in the biochemical oxidation
of organic matter under standard laboratory procedure for five days
at 20° C. expressed in terms of weight and concentration [milligrams
per liter (mg/l)].
BOROUGH
The Borough of Jenkintown, Montgomery County, Commonwealth
of Pennsylvania.
BUILDING SEWER
A private sewer conveying wastewater from the premises of
a user to the City wastewater system and/or Borough collection system.
BYPASS
The intentional diversion of waste streams from any portion
of an industrial user's pretreatment facility.
CITY
The City of Philadelphia.
COLLECTOR SYSTEM
All piping leading to a treatment plant, including those
pipes connected to a combined sewer overflow which lead directly to
a receiving stream.
COMMISSIONER
The Water Commissioner of the City of Philadelphia or his
designee.
COMPOSITE SAMPLE
A timed sequential collection of samples of equal volume
or a collection of grab samples combined in a single reservoir to
determine concentration(s) of pollutant(s).
CONTROL AUTHORITY
The term "control authority" shall refer to the City of Philadelphia
Water Department and/or the City Water Commissioner.
COOLING WATER
The water discharged from any use such as air conditioning,
cooling or refrigeration, or to which the only pollutant added is
heat and which does not contain a level of contaminants detectably
higher than that of the source of the water.
DAILY MAXIMUM
The maximum allowable discharge of a pollutant during a calendar
day or other twenty-four-hour period as allowed by the POTW. Where
maximum limitations are expressed in units of mass, the daily discharge
is the total mass discharged over the course of a day. Where daily
maximum limitations are expressed in terms of concentration, the daily
discharge is the arithmetic average of all measurements taken that
day.
DEPARTMENT
Water Department of the City of Philadelphia.
DIRECT DISCHARGE
The discharge of treated or untreated wastewater directly
to the waters of the Commonwealth of Pennsylvania which may occur
through the City's stormwater conduits or combined sewer outfall
structures.
ENVIRONMENTAL PROTECTION AGENCY or EPA
The United States Environmental Protection Agency; where
appropriate the term may also be used as a designation for the Administrator
or other duly authorized official of said agency.
GRAB SAMPLE
A sample which is taken from a wastestream on a one-time
basis, in 15 minutes or less, and with no regard to the volume of
flow of the waste stream.
HOLDING TANK WASTE
Any waste from holding tanks, such as vessels, chemical toilets,
campers, trailers, septic tanks, and vacuum-pump tank trucks.
INDIRECT DISCHARGE
The discharge or the introduction of pollutants, including
holding tank waste, into the POTW.
INDUSTRIAL USER or USER
Any person that introduces an indirect discharge regulated
under the Act, state or local law to the POTW.
INTERFERENCE
A discharge which, alone or in conjunction with a discharge
or discharges from other sources:
(1)
Inhibits or disrupts the POTW, its treatment processes or operations,
or its sludge processes, use or disposal; and
(2)
Therefore, is a cause of a violation of any requirement of the
POTW's NPDES permit (including an increase in the magnitude or
duration of a violation) or of the prevention of sewage sludge use
or disposal in compliance with the following statutory provisions
and regulations or permits issued thereunder (or more stringent state
or local regulations): Section 405 of the Clean Water Act, the Solid
Waste Disposal Act (SWDA) [including Title II, more commonly referred
to as the Resource Conservation and Recovery Act (RCRA)], and including
state regulations contained in any state sludge management plan prepared
pursuant to Subtitle D of the SWDA, the Clean Air Act, the Toxic Substances
Control Act, and the Marine Protection, Research and Sanctuaries Act.
(3)
In addition, "interference" shall mean the following:
(a)
The introduction of pollutants into the POTW which, alone or
in conjunction with other discharges, inhibits or disrupts the process,
operations or maintenance of the POTW or causes an evacuation of any
POTW personnel, whether or not it causes or contributes to a violation
of the POTW's NPDES permit.
(b)
The introduction of pollutants, either alone or in conjunction
with other discharges, which when reaching the treatment plant, inhibits,
disrupts or limits the solid waste by-products disposal options available
to the POTW, whether or not it causes or contributes to a violation
of Section 405 of the Act, the Solid Waste Disposal Act or any other
law or regulation regulating solid waste by-products.
(c)
The introduction of pollutants into the City of Philadelphia
collector system and/or Borough collection system which alone or in
conjunction with other discharges inhibits, disrupts or adversely
affects the operations or maintenance of the collector system and/or
Borough collection system.
MONTHLY AVERAGE
The arithmetic mean of the values for effluent samples collected
over a calendar month.
NATIONAL CATEGORICAL PRETREATMENT STANDARDS
Any regulation containing pollutant discharge limits promulgated
by the EPA in accordance with sections 307(b) and (c) of the Act (33
U.S.C. § 1317) which applies to a specific category of industrial
users and pretreatment standards as published in 40 CFR Chapter I,
Subchapter N.
NEW SOURCE
Any building, structure, facility, or installation from which
there is or may be a discharge of pollutants, the construction of
which commenced after the publication of proposed pretreatment standards
under Section 307(c) of the Act, which will be applicable to such
source if such standards are thereafter promulgated in accordance
with that section.
NONDOMESTIC USERS
Commercial, industrial or municipal users who discharge to
the POTW.
PASSTHROUGH
A discharge which exits the POTW to the receiving stream
or its atmosphere in quantities or concentrations which alone or in
conjunction with other discharges is a cause of a violation of any
requirement of the POTW's NPDES permit or a violation of any
air emission standard set by the Clean Air Act, state or local rules
and regulations governing emissions to the air (including an increase
in the magnitude or duration of a violation).
PERSON
Any individual, partnership, copartnership, firm, company,
corporation, association, joint-stock company, trust, estate, governmental
entity or any other legal entity, or their legal representatives,
agents or assigns. The masculine gender shall include the feminine;
the singular shall include the plural, where indicated by the context.
PH
The logarithm (base 10) of the reciprocal of the concentration
of hydrogen ions expressed in moles per liter of solution.
POLLUTANT
Any dredged spoil, solid waste, incinerator residue, sewage,
garbage, sewage sludge, munitions, chemical wastes, biological materials,
radioactive materials, heat, wrecked or discharged equipment, rock,
sand, cellar dirt, industrial, municipal, and agricultural waste or
any other contaminant discharged into water.
POLLUTION
The man-made or man-induced alteration of the chemical, physical,
biological, and/or radiological integrity of water.
PRETREATMENT or TREATMENT
The reduction of the amount of pollutants, the elimination
of pollutants, or the alteration of the nature of pollutant properties
in wastewater to a less harmful state prior to or in lieu of discharging
or otherwise introducing such pollutants into a POTW. The reduction,
elimination or alteration can be obtained by physical, chemical or
biological processes, process changes, or other means, except as prohibited
by 40 CFR 403.6(d).
PRETREATMENT STANDARDS OR REQUIREMENTS
Any substantive or procedural requirement related to pretreatment,
including but not limited to those requirements found in the Clean
Water Act, the General Pretreatment Regulations (40 CFR Part 403),
the National Categorical Pretreatment Standards, the Resource Conservation
and Recovery Act (42 U.S.C. § 6901 et seq.) and the Solid
Waste Management Act (35 P.S. § 6018.101 et seq.) as they
relate to the proper disposal of pretreatment sludges, the City of
Philadelphia Wastewater Control Regulations and any order issued under
those regulations, the industrial user's wastewater discharge
permit and any other federal, state or local law or regulation which
regulates discharges to the POTW.
PROCESS WASTEWATER
Any water which, during manufacturing or processing, comes
into direct contact with or results from the production or use of
any raw material, intermediate product, finished product, by-product,
or waste product.
PUBLICLY OWNED TREATMENT WORKS (POTW)
A treatment works as defined by Section 212 of the Act (33
U.S.C. § 1292) which is owned by the City, including any
devices and systems used in the storage, treatment, recycling or reclamation
of municipal sewage and industrial waste. This definition includes
any sewers that convey wastewater to the POTW treatment plant, but
does not include pipes, sewers or other conveyances not connected
to a facility providing treatment. For the purposes of this regulation,
"POTW" shall also include any sewers that convey wastewater to the
POTW from persons outside the City who are, by contract or agreement
with the City, users of the City's POTW.
SIGNIFICANT INDUSTRIAL USER
The term "significant industrial user" shall mean the following:
(1)
Any industrial user subject to any National Categorical Pretreatment
Standard;
(2)
Any industrial user that discharges an average of 25,000 gallons
per day or more of process wastewater to the POTW (excluding sanitary,
noncontact cooling and boiler blowdown wastewater) or contributes
a process wastestream which makes up 5% or more of the average dry
weather hydraulic or organic capacity of the POTW treatment plant;
or
(3)
Any industrial user that is found by the City, DEP or EPA to
have a reasonable potential, either alone or in conjunction with other
discharges, to adversely affect the POTW, the collector system, the
solid waste by-products of the POTW, or air emissions from the POTW.
SOLID WASTE BY-PRODUCTS
Materials related to POTW operations, which include but are
not limited to grit, scum, screenings, incinerator ash, sludges and
dredge spoils.
SPILL or SLUG DISCHARGE
Any discharge of a nonroutine, episodic nature, including but not limited to an accidental spill or noncustomary batch discharge, or any discharge at a flow rate or concentration which could cause a violation of the prohibited discharge standards found in §
175-6 of this chapter.
STANDARD INDUSTRIAL CLASSIFICATION (SIC)
A classification pursuant to the Standard Industrial Classification
Manual issued by the Executive Office of the President, Office of
Management and Budget, 1972, as amended.
STATE
The Commonwealth of Pennsylvania.
STORMWATER
Any flow occurring during or following any form of natural
precipitation and resulting therefrom.
SUSPENDED SOLIDS
The total suspended matter that floats on the surface of
or is suspended in water, wastewater or other liquids, and which is
removable by laboratory filtering expressed in terms of concentration
[milligrams per liter (mg/l)].
TOXIC POLLUTANT
Any pollutant or combination of pollutants listed as toxic,
pursuant to Pennsylvania Statutes and Rules, Section 307(a) of the
Act or other federal statutes.
WASTEWATER
The liquid and water-carried industrial or domestic wastes
from dwellings, commercial buildings, industrial facilities, and institutions,
whether treated or untreated.
WATERS OF THE COMMONWEALTH
All streams, lakes, ponds, marshes, watercourses, waterways,
wells, springs, reservoirs, aquifers, irrigation systems, drainage
systems and all other bodies or accumulations of water, surface or
underground, natural or artificial, public or private, which are contained
within, flow through, or border upon the commonwealth or any portion
thereof.