Michigan Administrative Code › Department - Environmental Quality › Water Resources Division › Water Resources Protection › Part 23 - PRETREATMENT › Section R. 323.2302 - Definitions

Current through Vol. 24-12, July 15, 2024
Rule 2. As used in this part:
(a) "Act" means sections 3101 to 3119 of Act
				  No. 451 of the Public Acts of 1994, as amended, being §§324.3101 to
				  324.3119 of the Michigan Compiled Laws.
(b) "Approval authority" means the department
				  of natural resources.
(c) "Approved
				  program" or "approved pretreatment program" or "publicly owned treatment works'
				  pretreatment program" means a program administered by a publicly owned
				  treatment works which meets the criteria established in R 323.2306 and which
				  has been approved by the approval authority in accordance with R
				  323.2308.
(d) "Average daily flow"
				  means a reasonable measure of the average daily flow for a 30-day
				  period.
(e) "Bypass" means the
				  intentional diversion of waste streams from any portion of an industrial user's
				  treatment facility needed for compliance with pretreatment standards.
(f) "Categorical industrial user" means all
				  nondomestic users subject to categorical pretreatment standards.
(g) "Categorical pretreatment standard" or
				  "categorical standard" means any regulation containing pollutant discharge
				  limits promulgated by the E.P.A. in accordance with sections 307(b) and (c) of
				  the clean water act, 33 U.S.C. §1317, which apply to a specific category
				  of nondomestic users and which appear in 40 C.F.R. chapter I, subchapter N
				  (1990), parts 405-471.
(h) "Clean
				  water act" means the federal water pollution control act, 33 U.S.C. §1251
				  et seq., as amended.
(i) "Composite
				  sample" means a collection of individual samples which are obtained at regular
				  intervals, collected on a time-proportional or flow-proportional basis, over a
				  specific time period and which provides a representative sample of the average
				  stream during the sampling period.
(j) "Control authority" means the publicly
				  owned treatment works if it has an approved program or means the approval
				  authority until the publicly owned treatment works' program is
				  approved.
(k) "Department" means
				  the director of the department of natural resources or his or her
				  designee.
(l) "Discharge" means any
				  direct or indirect discharge of any waste, waste effluent, wastewater,
				  pollutant, or any combination into any of the waters of the state or upon the
				  ground.
(m) "E.P.A." means the
				  United States environmental protection agency.
(n) "Grab sample" means a sample is taken
				  from a wastestream on a 1-time basis over a period of time of not more than 15
				  minutes without regard to the flow in the wastestream.
(o) "Interference" means a discharge, alone
				  or in conjunction with a discharge or discharges from other sources, to which
				  both of the following provisions apply:
(i)
				  The discharge inhibits or disrupts the publicly owned treatment works, its
				  treatment processes or operations, or its sludge processes, use, or
				  disposal.
(ii) Pursuant to
				  paragraph (i) of this subdivision, the discharge is a cause of a violation of
				  any requirement of the publicly owned treatment works' 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:
(A) Section 405
				  of the clean water act.
(B) The
				  solid waste disposal act, 42 U.S.C. §6901 et seq., including title II,
				  more commonly referred to as the resource conservation and recovery act, and
				  including state regulations contained in any state sludge management plan
				  prepared pursuant to subtitle D of the solid waste disposal act.
(C) The clean air act, 42 U.S.C. §7401
				  et seq.
(D) The toxic substances
				  control act, 15 U.S.C. §2601 et seq.
(E) The marine protection, research, and
				  sanctuaries act, 33 U.S.C. §1401 et seq.