Chronic standard definition

Chronic standard means the four-day average concentration does not exceed the listed concentration more than once every three years.
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Chronic standard means the level not to be exceeded by the concentration for either a single representative sample or calculated as an average of all samples collected during a thirty- day period, except for temperature, which shall be based on the WAT (see WAT definition). As used in tables II and III, chronic represents the level that protects 95 percent of the genera from chronic toxic effects. Chronic toxic effects include, but are not limited to, demonstrable abnormalities and adverse effects on survival, growth, or reproduction. The chronic standard is implemented in combination with a selected duration and frequency of recurrence (section 31.9(1)). In determining attainment of the applicable chronic standard, the representative nature of the data must be considered.
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Chronic standard or "CS" means the highest water concentration of a toxicant to which organisms can be exposed indefinitely without causing chronic toxicity. Chronic standards are listed in parts 7050.0220 and 7050.0222.
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Examples of Chronic standard in a sentence

  • Reference will be made to relevant actions and measures as envisaged under the National Climate Change Strategy and other relevant climate change policy.

  • RuthkoskyAssociate Dean, Student Development Deputy Title IX CoordinatorPassan Hall, 2nd Floor 570-408-4108philip.ruthkosky@wilkes.edu After Hours Counseling Support570-408-CHAT (2428) OFF-CAMPUS COUNSELINGVictims Resource Center71 N.

  • Toxic Substances: Chronic standard for the use to be protected is in section 3101; for toxic substances not listed in section 3101, the following provisions shall be applied in numeric order in accordance with sections 1103, 1105, and 1106.

  • These criteria apply in all waters of the Lake Michigan Basin.3 Chronic standard – not to be exceeded by the arithmetic average of at least four consecutive samples over a period of at least four days (35 Ill.

  • Chronic standard" means the four-day average concentration does not exceed the listed concentration more than once every three years.

  • This represents about 40% coverage when expressed in terms of the overall total population.

  • Chronic standard is “the highest water concentration of a toxicant to which organisms can be exposed indefinitely without causing chronic toxicity.” Minn.

  • The acronym “CS” (Chronic standard) is spelled out the first time it is used in this provision, in case the reader is visiting this subpart for the first time.

  • Total cyanide was detected above the both the Class C Aquatic (Acute) Standard of 22 µg/L and Class C Aquatic (Chronic) standard of 5.2 µg/L at SW-04 (32 µg/L), and above the Aquatic (Chronic) Standard at SW-03 (8.0 µg/L) (Figure 16).


More Definitions of Chronic standard

Chronic standard means the level not to be exceeded by the concentration for either a single representative sample or calculated as an average of all samples collected during a thirty- day period. As used in tables II and III, chronic represents the level that protects 90 to 95 percent of the genera from chronic toxic effects from unionized ammonia and 95 percent of the genera from chronic toxic effects from metals. Chronic toxic effects include, but are not limited to, demonstrable abnormalities and adverse effects on survival, growth, or reproduction. The chronic standard is implemented in combination with a selected duration and frequency of recurrence (section 31.9(1)).
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Chronic standard means a standard that applies to the arithmetic mean of samples collected during four consecutive days; chronic standards shall not be exceeded more than once every three years.
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Chronic standard means the highest water concentration of a to which organisms can be exposed indefinitely without causing chronic toxicity.Chronic
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Chronic standard means the water quality standard that is intended to protect a beneficial use over a prolonged exposure period. This period is usually based on a 30 day average but may be shorter (4-7 day) or longer (lifetime exposure).
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Chronic standard. (CS) shall mean the highest water concentration of a toxicant to which aquatic organisms can be exposed indefinitely without causing chronic toxicity.
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Related to Chronic standard

  • Uniform standard means a standard adopted by the Commission for a Product line, pursuant to Article VII of this Compact, and shall include all of the Product requirements in aggregate; provided, that each Uniform Standard shall be construed, whether express or implied, to prohibit the use of any inconsistent, misleading or ambiguous provisions in a Product and the form of the Product made available to the public shall not be unfair, inequitable or against public policy as determined by the Commission.

  • Electronic smoking device means any product containing or delivering nicotine or any other substance intended for human consumption that can be used by a person in any manner for the purpose of inhaling vapor or aerosol from the product. The term includes any such device, whether manufactured, distributed, marketed, or sold as an e-cigarette, e-cigar, e-pipe, e-hookah, or vape pen, or under any other product name or descriptor.

  • Electronic System means any electronic system, including e-mail, e-fax, Intralinks®, ClearPar®, Debt Domain, Syndtrak and any other Internet or extranet-based site, whether such electronic system is owned, operated or hosted by the Administrative Agent and the Issuing Bank and any of its respective Related Parties or any other Person, providing for access to data protected by passcodes or other security system.

  • Electronic Signatures means any electronic symbol or process attached to, or associated with, any contract or other record and adopted by a person with the intent to sign, authenticate or accept such contract or record.

  • traffic sign means a sign of any size, colour and type prescribed or authorised under, or having effect as though prescribed or authorised under, section 64 of the Act of 1984;

  • Standards means: a) any standards published by BSI British Standards, the National Standards Body of the United Kingdom, the International Organisation for Standardisation or other reputable or equivalent bodies (and their successor bodies) that a skilled and experienced operator in the same type of industry or business sector as the Supplier would reasonably and ordinarily be expected to comply with; b) any standards detailed in the specification in Framework Schedule 2 (Goods and/or Services and Key Performance Indicators); c) any standards detailed by the Contracting Body in the Call Off Agreement following a Further Competition Procedure or agreed between the Parties from time to time; d) any relevant Government codes of practice and guidance applicable from time to time.

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

  • Chronic pain means persistent or episodic pain of a duration or intensity that adversely affects the functioning or well-being of a patient when (1) no relief or cure for the cause of pain is possible; (2) no relief or cure for the cause of pain has been found; or (3) relief or cure for the cause of pain through other medical procedures would adversely affect the well-being of the patient. If pain persists beyond the anticipated healing period of a few weeks, patients should be thoroughly evaluated for the presence of chronic pain.

  • Applicable Standards means the requirements and guidelines of NERC, the Applicable Regional Entity, and the Control Area in which the Customer Facility is electrically located; the PJM Manuals; and Applicable Technical Requirements and Standards.

  • Electronic Services means a service provided by us, for example an Internet trading service offering clients access to information and trading facilities, via an internet service, a WAP service and/or an electronic order routing system.

  • advanced electronic signature means an electronic signature which meets the following requirements:

  • Electronic Health Record shall have the same meaning as the term is defined in section 13400 of the HITECH Act (42 U.S.C. §17921(5).

  • Cosmetic means surgery, procedures or treatment and other services performed primarily to enhance or improve appearance, including but not limited to, and except as otherwise required by state or federal law, those surgeries, procedures, treatments and other services performed in the absence of a functional impairment of a body part or organ as documented in the medical record, even if such services will improve emotional, psychological or mental condition or function.

  • Uniform Network Code means the uniform network code as defined in Standard Special Condition A11(6) of National Grid’s transporters licence, as such code may be amended from time to time in accordance with the terms thereof.