Background pollutant concentration definition

Background pollutant concentration means the ambient water body concentration immediately upstream of the discharge, regardless of whether those pollutants are natural or result from upstream human activity.
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Background pollutant concentration means the water body concentration immediately upstream/upcurrent of a permitted discharge, regardless of whether those pollutants are natural or result from anthropogenic upstream activity.
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Examples of Background pollutant concentration in a sentence

  • The assessment method details including model, input data and assumptions: For traffic assessment: • Traffic data used for the assessment; • Emission data source; • Meteorological data source and representation of area; • Baseline pollutant concentration including any monitoring undertaken; • Background pollutant concentration; • Choice of base year; • Basis for NOx:NO2 calculations; and • A modelling sensitivity test for future emissions with and without reductions.

  • Background pollutant concentration data on a 1km x 1km spatial resolution is provided by Defra through the UK AIR website and is routinely used to support LAQM and Air Quality Assessments.

  • The DMRB model requires the following input data: Background pollutant concentration data; Annual Average Daily Traffic (AADT) flows; Average vehicle speed; Vehicle classification by light and heavy duty vehicles (LDV/HDV); Type of road; Distance from the centre of the road to the Receptor being assessed.

  • AQA – Background pollutant concentration data Some of the background data provided the in the AQA was based on a long term rural monitoring site called Auchencorth Moss.

  • Precautionary statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources.

  • The DMRB model requires the following input data: Background pollutant concentration data;🡭 Annual Average Daily Traffic (AADT) flows;🡭 Average vehicle speed;🡭 Vehicle classification by light and heavy duty vehicles (LDV/HDV);🡭 Type of road;🡭 Distance from the centre of the road to the Receptor being assessed.

  • Background pollutant concentration is therefore the ambient level of pollution that is not affected by local sources of pollution.

  • The 'social graces' are used in individual and group supervision, looking at similarity and difference in every piece of casework.

  • Background pollutant concentration predictions on a 1km by 1km grid basis have been produced by DEFRA for the entire of the UK to assist local authorities in their Review and Assessment of air quality, which is a requirement under the system of Local Air Quality Management.

  • Background pollutant concentration data on a 1km x 1km spatial resolution is provided by the UK National Air Quality Archive and is routinely used to support LAQM and Air Quality Assessments.

Related to Background pollutant concentration

  • Criteria pollutant means a pollut- ant for which the Administrator has promulgated a national ambient air quality standard pursuant to 42 U.S.C. 7409 (i.e., ozone, lead, sulfur dioxide, particulate matter, carbon monoxide, nitrogen dioxide).

  • PAL pollutant means the pollutant for which a PAL is established at a major stationary source.

  • Air pollutant , which means any solid, liquid or gaseous substance (including noise) present in the atmosphere in such concentration as may be or tend to be injurious to human beings or other living creatures or plants or property or environment.

  • Regulated NSR pollutant means the following:

  • Regulated air pollutant means the following:

  • Gaseous pollutants means the exhaust gas emissions of carbon monoxide, oxides of nitrogen expressed in nitrogen dioxide (NO2) equivalent and hydrocarbons assuming ratio of:

  • Radioactive substance means a substance that emits ionizing

  • Background concentration means such concentration of that substance as is present in:

  • Compatible Pollutant means BOD, suspended solids, pH, fecal coliform bacteria, and such additional pollutants as are now or may in the future be specified and controlled in the city's NPDES permit for its wastewater treatment works where sewer works have been designed and used to reduce or remove such pollutants.

  • Pollutant means any dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, refuse, oil, grease, sewage sludge, munitions, chemical wastes, biological materials, medical wastes, radioactive substance (except those regulated under the Atomic Energy Act of 1954, as amended (42 U.S.C. §§ 2011 et seq.)), thermal waste, wrecked or discarded equipment, rock, sand, cellar dirt, industrial, municipal, agricultural, and construction waste or runoff, or other residue discharged directly or indirectly to the land, ground waters or surface waters of the State, or to a domestic treatment works. “Pollutant” includes both hazardous and nonhazardous pollutants.

  • Hazardous Air Pollutant (HAP means any pollutant listed by the EPA as a hazardous air pollutant in conformance with Section 112(b) of the Clean Air Act. A list of these pollutants is available at the Division of Air Quality.

  • Hazardous air pollutant means any air pollutant listed as a hazardous air pollutant pursuant to Section 112(b) of the FCAA.

  • Incompatible Pollutant means any pollutant which is not a "compatible pollutant" as defined in this section.

  • Low-level radioactive waste or “waste” means radioactive material that consists of or contains class A, B, or C radioactive waste as defined by 10 C.F.R. 61.55, as in effect on January 26, 1983, but does not include waste or material that is any of the following:

  • Contaminant means any material, substance or waste that is classified, regulated or otherwise characterized under any Environmental Law as hazardous, toxic, a contaminant or a pollutant or by other words of similar meaning or regulatory effect, including any petroleum or petroleum-derived substance or waste, asbestos and polychlorinated biphenyls.

  • Maximum contaminant level (MCL) means the maximum permissible level of a contaminant in water which is delivered to any user of a public water system.

  • In-stream Waste Concentration or "(IWC)" means the concentration of a discharge in the receiving water after mixing has occurred in the allocated zone of influence.

  • Alcohol concentration means the number of grams of alcohol per:

  • Chemical substance means a substance intended to be used as a precursor in the manufacture of a controlled substance or any other chemical intended to be used in the manufacture of a controlled substance. Intent under this subsection may be demonstrated by the substance's use, quantity, manner of storage, or proximity to other precursors or to manufacturing equipment.

  • emissions of substances not controlled by emission limits means emissions of substances to air, water or land from the activities, either from the emission points specified in schedule 3 or from other localised or diffuse sources, which are not controlled by an emission limit.

  • Toxic pollutant contaminant", "restricted hazardous waste", "infectious waste", "toxic substances", or any other term or expression intended to define, list or classify substances by reason of properties harmful to health, safety or the indoor or outdoor environment (including harmful properties such as ignitability, corrosivity, reactivity, carcinogenicity, toxicity, reproductive toxicity, "TCLP toxicity" or "EP toxicity" or words of similar import under any applicable Environmental Laws); (ii) any oil, petroleum, petroleum fraction or petroleum derived substance; (iii) any drilling fluids, produced waters and other wastes associated with the exploration, development or production of crude oil, natural gas or geothermal resources; (iv) any flammable substances or explosives; (v) any radioactive materials; (vi) any asbestos-containing materials; (vii) urea formaldehyde foam insulation; (viii) electrical equipment which contains any oil or dielectric fluid containing polychlorinated biphenyls; (ix) pesticides; and (x) any other chemical, material or substance, exposure to which is prohibited, limited or regulated by any governmental authority or which may or could pose a hazard to the health and safety of the owners, occupants or any Persons in the vicinity of any Facility or to the indoor or outdoor environment.

  • Dangerous Substance means any radioactive emissions and any natural or artificial substance (whether in solid or liquid form or in the form of a gas or vapour and whether alone or in combination with any other substance) which, taking into account the concentrations and quantities present and the manner in which it is being used or handled, it is reasonably foreseeable will cause harm to man or any other living organism or damage to the Environment including any controlled, special, hazardous, toxic, radioactive or dangerous waste.

  • Computer contaminant means any set of computer instructions that are designed—

  • Air contaminant source means any and all sources of emission of air contaminants whether privately or publicly owned or operated (Section 19-2-102(2)).

  • Residual disinfectant concentration means the concentration of disinfectant measured in mg/L in a representative sample of water.

  • Dangerous Substances means a substance or article described in regulation 3 of the Dangerous Substances Regulations;