Chronic Criteria definition

Chronic Criteria means the highest concentrations of toxic substances to which organisms can be exposed indefinitely without causing long-term harmful effects on growth and/or reproduction or other unacceptable effects (as measured by approved long-term exposure tests).
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Chronic Criteria means the threshold concentration of a substance that aquatic organisms can be exposed to for a period exceeding 96 hours with no resulting chronic toxicity.
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Chronic Criteria means the four-day average concentration of a pollutant in ambient water which should not be exceeded more than once every three years on average. Generally, chronic criteria thresholds are lower than those for acute criteria.
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Examples of Chronic Criteria in a sentence

  • EPA considers concentrations at the edge of the mixing zone higher than 0.011 mg/l (Chronic Criteria) to be toxic to aquatic organisms.

  • EPA considers TRC concentrations at the edge of the mixing zone higher than 0.011 mg/l (Chronic Criteria) to be toxic to aquatic organisms.

  • EPA considers concentrations of TRC at the edge of the mixing zone higher than 0.011 mg/l to be toxic to aquatic organisms (Chronic Criteria), and Reg.

  • The following table presents the factors used to determine the acute and chronic total recoverable criteria for each metal: * Acute Criteria (CMC) = exp{ma*ln(hardness)+ba}** Chronic Criteria (CCC) = exp{mc*ln(hardness)+bc} In order to determine whether the effluent has the reasonable potential to cause or contribute to an exceedance above the in-stream water quality criteria for each metal, the following mass balance is used to project in-stream metal concentrations downstream from the discharge.

  • However, EPA considers concentrations at the edge of the mixing zone higher than 0.011 mg/l (Chronic Criteria) to be toxic to aquatic organisms.

  • At all times, at least 1 Certificant representative will be TAB certified and at least 1 Certificant will be BSC certified.

  • Mercury was also calculated to have the potential to exceed the Chronic Criteria for Aquatic Biota when mixed into the 7Q10 flows.

  • EPA considers concentrations of TRC at the edge of the mixing zone higher than 0.011 mg/l to be toxic to aquatic organisms (Chronic Criteria).

  • The following table presents the factors used to determine the acute and chronic total recoverable criteria for each metal: MetalParametersTotal Recoverable Criteria mabamcbcAcuteChronic CriteriaCriteria (CMC)1(CCC)2 (ug/L)(ug/L)Aluminum1 Acute Criteria (CMC) = exp{ma*ln(hardness)+ba}2 Chronic Criteria (CCC) = exp{mc*ln(hardness)+bc}3 The aluminum water quality criteria are in terms of acid soluble aluminum (based upon a letter from NHDES to EPA dated July 1, 2014).

  • Metal* Acute Criteria (CMC) = exp{ma*ln(hardness)+ba}** Chronic Criteria (CCC) = exp{mc*ln(hardness)+bc} In order to determine whether the effluent has the reasonable potential to cause or contribute to an exceedance above the in-stream water quality criteria for each metal, the following mass balance is used to project in-stream metal concentrations downstream from the discharge.


More Definitions of Chronic Criteria

Chronic Criteria means the highest instream concentration of a toxic substance or an effluent to which organisms are able to be exposed for ninety-six (96) hours without causing an unacceptable harmful effect.
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Related to Chronic Criteria

  • Chronic condition means a condition that can be treated or managed, but not cured.

  • Chronic care means health services provided by a health care

  • Chronic toxicity means concurrent and delayed adverse effects that occur only as a result of a chronic exposure.

  • Chronic abuse or "chronic sexual abuse" means recurring acts of physical abuse that place the

  • ASAM criteria means admission, continued service, transfer, and discharge criteria for the treatment of substance use disorders as published by the American Society of Addiction Medicine (ASAM).

  • Electronic component means an item that operates by controlling the flow of electrons or other electrically charged particles in circuits, using interconnections of electrical devices such as resistors, inductors, capacitors, diodes, switches, transistors, or integrated circuits. The term does not include structural or mechanical parts of an assembly containing an electronic component, and does not include any high performance magnets that may be used in the electronic component.

  • Selection Criteria means and includes all of the requirements, considerations,

  • Evaluation Criteria means the criteria set out under the clause 27 (Evaluation Process) of this Part C, which includes the Qualifying Criteria, Functional Criteria and Price and Preferential Points Assessment.

  • Chronic pain means a state in which pain persists beyond the usual course of an acute disease or healing of an injury, or that may or may not be associated with an acute or chronic pathologic process that causes continuous or intermittent pain over months or years.

  • Functional Criteria means the criteria set out in clause 27 of this Part C.

  • Fitch Criteria means the Collateral Amount shall equal the sum of (i) the product of A multiplied by the mark-to-market value of the outstanding Transactions dxxxxmined by Party A in good faith from time to time, and (ii) the product of B multiplied by the current aggregate notional amount of the outstanding Transactions, where:

  • electronic commerce operator means any person who owns, operates or manages digital or electronic facility or platform for electronic commerce;

  • Electronic Control System means a combination of units, designed to co-operate in the production of the stated vehicle control function by electronic data processing. Such systems, often controlled by software, are built from discrete functional components such as sensors, electronic control units and actuators and connected by transmission links. They may include mechanical, electro-pneumatic or electro-hydraulic elements.

  • Clinical review criteria means the written screening procedures, decision abstracts, clinical protocols, and practice guidelines used by a health carrier to determine the necessity and appropriateness of health care services.

  • Electronic cleaner means a product labeled for the removal of dirt, moisture, dust, flux, or oxides from the internal components of electronic or precision equipment such as circuit boards, and the internal components of electronic devices, including but not limited to, radios, compact disc (CD) players, digital video disc (DVD) players, and computers. “Electronic Cleaner” does not include “General Purpose Cleaner,” “General Purpose Degreaser,” “Dusting Aid,” “Pressurized Gas Duster,” “Engine Degreaser,” “Electrical Cleaner,” “Energized Electrical Cleaner,” “Anti-Static Product,” or products labeled to clean the casings or housings of electronic equipment. “Electronic Cleaner” does not include any product that meets both of the following criteria:

  • Content of an electronic communication means information concerning the substance or meaning of the communication which:

  • Electronic Coupon means an electronic flight coupon or other value document held in our database.

  • Acceptance Criteria means the Specifications, goals, performance measures, testing results and/or other criteria designated by the Agency and against which the Deliverables may be evaluated for purposes of Acceptance or Non-acceptance thereof.

  • Organic compound means any compound containing at least the element carbon and one or more of hydrogen, halogens, oxygen, sulphur, phosphorus, silicon or nitrogen, with the exception of carbon oxides and inorganic carbonates and bicarbonates;

  • Electronic cigarette means any oral device that provides a vapor of liquid nicotine, lobelia, and/or other similar substance, and the use or inhalation of which simulates smoking. The term shall include any such devices, whether they are manufactured, distributed, marketed, or sold as e-cigarettes, e-cigars, e-pipes, or under another product name or descriptor.

  • Electronic converter means a device capable of controlling and/or converting electric power for electric propulsion.

  • Business Criteria means any one or any combination of Income before Taxes, Net Income, Return on Equity, Return on Assets, Pre-tax Margin, Free Cash Flow, Valuation or EPS.

  • Specific goals means specific goals as contemplated in section 2(1)(d) of the PPPFA which may include contracting with persons, or group of persons, historically disadvantaged by unfair discrimination on the basis of race, gender and disability including the implementation of programmes of the Reconstruction and Development Programme as published in Government Gazette No. 16085 dated 23 November 1994.

  • Public Electronic Communications Network means an Electronic Communications Network provided wholly or mainly for the purpose of making Electronic Communications Services available to members of the public;

  • Electronic Communication Network means the transmission line connecting the data transmission place and the data receiving place.

  • Review Criteria has the meaning assigned to that term in Section 12.02(b)(i).