Oregon Administrative Rules › Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY › Division 40 - GROUNDWATER QUALITY PROTECTION › Section 340-040-0105 - Definitions

Current through Register Vol. 63, No. 7, July 1, 2024
Unless otherwise defined in OAR 340-041-0006 or
				340-040-0010, the
				following terms used in this Division shall mean:
(1) "Carcinogen": A compound which the United
			 States Environmental Protection Agency has classified as Group A or Group B
			 under the carcinogenic classification procedures described in
51 Fed.
			 Reg. 33992
.
(2) "Confirmed
			 or Confirmation": A second laboratory quantitatively detects the presence of
			 the contaminant or substance of concern in groundwater by an established
			 sampling, preservation, and analytical technique in a laboratory using
			 established quality assurance and quality control procedures, such as indicated
			 in
40 CFR 136
or the
Standard Methods For Examination of
			 Water and Waste Water (Latest Edition)
.
(3) "Contaminant": Any chemical, ion,
			 radio-nuclide, synthetic organic compound, microorganism, waste or other
			 substance that does not occur naturally in groundwater or that occurs naturally
			 but at a lower concentration. ORS 468.691.
(4) "Detect, Detectable, Detection or
			 Detected": To measure a contaminant by an established sampling, preservation,
			 and analytical technique in a laboratory using established quality assurance
			 and quality control procedures, such as indicated in
40 CFR 136
or
			 the
Standard Methods For Examination of Water and Waste Water (Latest
			 Edition)
.
(5) "Environment":
			 The aggregate of things or conditions affecting the existence, reproduction,
			 growth and development of living organisms, plus the living organisms
			 themselves. The concept shall be interpreted broadly to mean "all aspects of an
			 ecosystem, other than humans".
(6)
			 "Federal Standard": A maximum contaminant level, a national primary drinking
			 water regulation or an interim drinking water regulation adopted by the
			 Administrator of the United States Environmental Protection Agency ("EPA")
			 pursuant to the federal Safe Drinking Water Act. ORS 536.137.
(7) "Maximum Measurable Level": The maximum
			 allowable concentration of a contaminant or substance of concern that is
			 established by the Commission in accord with these rules, to be used by the
			 Department to initiate the process of designating "Groundwater Management
			 Areas" within the state of Oregon where necessary to preserve groundwater
			 quality. ORS 468.691.
(8) "Protect
			 Public Health and the Environment": To keep humans and the environment from
			 unreasonable present or future exposure to adverse risk, effect or harm,
			 excluding economic concerns.
(9)
			 "Substance of Concern": A contaminant confirmed in groundwater in Oregon as a
			 result of actual or suspected nonpoint source activities.
Publications: The publication(s) referred to or incorporated
				  by reference in this rule are available from the office of the
				  agency.
Stat. Auth.: ORS 183.335(7), ORS 468.015, ORS 468B & ORS
				  536.137
Stats. Implemented: ORS 468.005, ORS 468B.005 & ORS
				  468B.150