Environment terminology · MLC-0121
Environment terms: M (1,782)
- Monitoring deviceTotal equipment, required under the monitoring of operations sections in applicable subparts, used to measure...
- Monitoring end dateDate on which monitoring ended.
- Monitoring equipment by analyteEquipment named by the substance to be identified and measured.
- Monitoring frequencyThe number of times you obtain and record monitoring data over a specified time interval. Examples of...
- Monitoring location codeA single-character code in ICIS-NPDES that indicates the sampling location for each pollutant measurement...
- Monitoring location IDUnique identifier for the monitoring location.
- Monitoring location organization IDOrganization that conducted the monitoring. For data that is available via STORET/WQX or the Water Quality...
- Monitoring major changeModification to federally required monitoring that uses “unproven technology or procedures” (not generally...
- Monitoring malfunctionAny sudden, infrequent, not reasonably preventable failure of the monitoring to provide valid data...
- Monitoring measurementsA count of measurements (result count) or outcomes for samples taken.
- Monitoring minor changeA modification to federally required monitoring that:(i) Does not decrease the stringency of the compliance...
- Monitoring (monitor), see Monitoring
- Monitoring networkAll stations of a given type or types.
- Monitoring organizationState, local, or other monitoring organization responsible for operating a monitoring site for which the...
- Monitoring period range endThe end date for the last monitoring period selected for the search. Search Considerations: A monitoring...
- Monitoring period range startThe end date for the first monitoring period selected for the search. Search Considerations: A monitoring...
- Monitoring planning areaContiguous geographic area with established, well defined boundaries, such as a CBSA, county or State, having...
- Monitoring samplesA count of individual samples (activity count) or observations.
- Monitoring site ID1. A Site ID is a designator used to describe the unique name, number or code assigned to identify the...
- Monitoring start dateDate on which monitoring began.
- Monitoring stationSingle monitor, or a group of monitors with a shared objective, located at a particular site.
- Monitoring survey imaging equipmentImaging equipment with an OGI camera at one site on one day. Changing the site being surveyed or changing the...
- Monitoring System1. An on-going system to collect data on a program's activities and outputs, designed to provide feedback on...
- Monitoring system malfunction1. Any sudden, infrequent, not reasonably preventable failure of the monitoring system to provide valid data...
- Monitoring system out of control periodAny sudden, infrequent, not reasonably preventable failure of the monitoring system to provide valid data...
- Monitoring technologyEquipment, methods, and processes used to assess the quality of the environment.
- Monitoring well1. A monitoring well is a well drilled at a specific location on or off a hazardous waste site at which...
- Monitoring wells, see Monitoring well
- MonkeypoxViral disease infecting PRIMATES and RODENTS. Its clinical presentation in humans is similar to SMALLPOX...
- Mono-alkyl ester biodieselMotor vehicle fuel or fuel additive which is all the following: registered as a motor vehicle fuel or fuel...
- MonoaromaticAromatic hydrocarbons containing a single benzene ring.
- Monocarpic plantFlowering and bearing fruit only once and then dying; term can apply to annuals, biennials, or perennials.
- Monoclonal antibodies1. Man-made (anthropogenic) clones of a molecule, produced in quantity for medical or research purposes.
- Monocyclic aromatic hydrocarbonsOrganic compounds containing carbon and hydrogen in the form of an unsaturated, usually hexagonal ring...
- Monocyte1. Large, phagocytic mononuclear leukocytes produced in the vertebrate bone marrow and released into the...
- MonoeciousA single plant that has both male and female flowers.
- Monoecious plant1. Male and female flowers borne on the same plant.
- Monomer1. (MON-o-MER) A molecule of low molecular weight capable of reacting with identical or different monomers to...
- Monomer recovery process equipmentCollection of process units and associated process equipment used to reclaim the monomer for subsequent...
- Monomer unitReacted form of the monomer in a polymer.
- Monomethylarsenic acidMolecular formula CH5AsO3; Molecular weight 139.9702 g/mol. White hygroscopic solid is various forms.
- Monomictic1. Lakes and reservoirs which are relatively deep, do not freeze over during the winter months, and undergo a...
- Monomictic lakeLakes and reservoirs which are relatively deep, do not freeze over during the winter months, and undergo a...
- Monomorphic stateState in which virtually all individuals have the same genotype at a locus. It is a property of a locus in a...
- MononegaviralesAn order comprising four families of eukaryotic viruses possessing linear, non-segmented, negative-strand RNA...
- MonongahelaThe Monongahela River Basin. Maryland, Pennsylvania, West Virginia. Area = 7310 sq.mi.
- Mononuclear leukocyte1. Mature lymphocytes andmonocytes transported by the blood to the body's extravascular space. They are...
- Mononuclear phagocyte systemMononuclear cells with pronounced phagocytic ability that are distributed extensively in lymphoid and other...
- MonosaccharidesSimple sugars, carbohydrates which cannot be decomposed by hydrolysis. They are colorless crystalline...
- Monotonic dose-response1. A dose-response that never decreases as dose increases. A monotonic function may be flat (constant) up to...
- MonoubiquitinationThe type of ubiquitin modification determines the functional consequences for the modified protein...
- MonovalentHaving a valence of one, such as the cuprous (copper) ion, Cu+.
- MonoventExhaust configuration of a building or emission control device (e.g., positive-pressure fabric filter) that...
- Monsoon windA name for seasonal winds, first applied to the winds over the Arabian Sea that blow for six months from the...
- Montastraea annularisBoulder Star Coral
- Monte Carlo analysis1. A technique for characterizing the uncertainty and variability in risk estimates by repeatedly sampling...
- Monte Carlo probabilistic simulationA statistical modeling approach used to assess the expected frequency and magnitude of water-quality impacts...
- Monte Carlo sampling1. A method of simple random sampling used to obtain a distribution of values which may serve as an input to...
- Monte Carlo simulation1. A stochastic modeling technique that involves the random selection of sets of input data for use in...
- Monte Carlo technique1. A repeated random sampling from the distribution of values for each of the parameters in a calculation...
- Monthly average1. Arithmetic average of eight (8) individual data points from effluent sampling and analysis during any...
- Monthly gasoline throughputTotal volume of gasoline that is loaded into, or dispensed from, all gasoline storage tanks at each GDF...
- Montreal Protocol1. The Montreal Protocol on substances that deplete the ozone layer, 1987
- Montreal Protocol on Substances that Deplete the Ozone LayerThe Montreal Protocol and its amendments control the phaseout of ozone depleting substances production and...
- Moraine1. A general term for unstratified and unsorted deposits of sediment that form through the direct action of...
- Moral hazard1. Relates to an increased probability of a loss through moral lapse of the owner (e.g., an insured...
- MoratoriumDuring the negotiation process, a period of 60 to 90 days during which EPA and potentially responsible...
- Morbidity1. Rate of incidence of disease.
- Morbidity rateThe number of illnesses or cases of disease in a population in relation to the total population.
- MorbillivirusA genus of the family PARAMYXOVIRIDAE (subfamily PARAMYXOVIRINAE) where the virions of most members have...
- MordantA chemical that fixes a dye in or on a substance by combining with the dye to form an insoluble compound
- More than minor or transitory impactSame meaning as the term ‘‘significantly’’ as defined in regulations under the National Environmental Policy...
- Morella favaAn evergreen shrub or small tree, usually 12-15 feet tall, fire tree can grow to 50 feet in height in some...
- Morphology1. The form and structure of an object.
- Mortality1. Death rate or proportion of deaths in a population.
- Mortality rate1. A measure of the frequency of occurrence of death in a defined population during a specified interval of...
- Mortgage status"Mortgage" refers to all forms of debt where the property is pledged as security for repayment of the debt...
- MortierellaA genus of zygomycetous fungi of the family Mortierellaceae, order MUCORALES. Its species are abundant in...
- Mosquito ditchStraight, narrow channels that were dug to drain the upper reaches of salt marshes in order to control the...
- Most impaired days1. Average visibility impairment (measured in deciviews) for the twenty percent of monitored days in a...
- Most probable number1. The most probable number of coliform-group organisms per unit volume of sample water, expressed as the...
- Most stringent emission limitation1. Lowest NOX emissions limitation (in lb/mmBtu) that is applicable to the unit under State or Federal law...
- Most stringent federally enforceable emissions limitationMost stringent emissions limitation for a given pollutant applicable to the unit, which has been approved by...
- Most stringent nitrogen oxides emissions limitation1. With regard to a NOX Budget opt-in source, the lowest NOX emissions limitation (in terms of lb/mmBtu) that...
- Most stringent state nitrogen oxides emissions limitationWith regard to a NOX Budget opt-in source, the lowest NOX emissions limitation (in terms of lb/mmBtu) that is...
- Most stringent sulfur dioxide emissions limitationWith regard to a unit, the lowest SO2 emissions limitation (in terms of lb/mmBtu) that is applicable to the...
- Mothball applianceTo evacuate refrigerant from an appliance, or the affected isolated section or component of an appliance, to...
- Motile(MO-till) Capable of self-propelled movement. A term that is sometimes used to distinguish between certain...
- Motion pictureTechnically can refer to any format that produces moving pictures (movie film, videotape, video-disc, etc.)...
- Motive power containerAny onboard bulk storage container used primarily to power the movement of a motor vehicle, or ancillary...
- Motor CarrierCommon carrier by motor vehicle, a contract carrier by motor vehicle, or a private carrier of property by...
- Motor controllerElectronic or electro-mechanical device to convert energy stored in an energy storage device into a form...
- Motor efficiencyThe ratio of energy delivered by a motor to the energy supplied to it during a fixed period or cycle. Motor...
- Motor fuelComplex blend of hydrocarbons typically used in the operation of a motor engine, such as motor gasoline...
- Motor gasolineA complex mixture of relatively volatile hydrocarbons, with or without small quantities of additives...
- Motor gasoline compensating dischargeSeawater used to compensate for expended motor gasoline (MOGAS) used to operate equipment stored on some Navy...
- Motor neuron1. Neurons which activate muscle cells.
- Motor Vehicle1. As used in this manual, "vehicle" is used as a convenient abbreviation for the collection of all...
- Motor vehicle air conditioner1. Mechanical vapor compression refrigeration equipment used to cool the driver's or passenger's compartment...
- Motor vehicle air conditioner-like appliance1. Mechanical vapor compression, open-drive compressor appliances used to cool the driver's or passenger's...
- Motor vehicle air conditioner-like appliances, see Motor vehicle air conditioner-like appliance
- Motor vehicle common carrierAny person who holds himself out to the general public to engage in the transportation by motor vehicle in...
- Motor vehicle contract carrierAny person who engages in transportation by motor vehicle of passengers or property in interstate or foreign...
- Motor vehicle diesel fuelAny diesel fuel or other distillate fuel that is used, intended for use, or made available for use in motor...
- Motor vehicle diesel fuel small refinerAny person, as defined by 42 U.S.C. 7602(e), who - (1) Produces diesel fuel at a refinery by processing crude...
- Motor vehicle disposal facilityAny commercial facility that engages in the disposal (which includes dismantling, crushing or recycling) of...
- Motor vehicle emission simulator1. The model developed by EPA to estimate emission for onroad and nonroad sources. This system will serve as...
- Motor vehicle emissions budgetPortion of the total allowable emissions defined in the submitted or approved control strategy implementation...
- Motor vehicle float assemblyMonitors the fuel level in a tank.
- Motor vehicle fuel fillerNozzle from a fuel dispenser attaches to the receptacle on the vehicle to fill the tank.
- Motor vehicle fuel filterThis filter traps contaminants and other byproducts to prevent them from clogging critical fuel system...
- Motor vehicle fuel lineMetal tube or flexible hose (or a combination of these) transfers fuel from the tank to the engine's fuel...
- Motor vehicle fuel pumpA pump that transfers fuel from the tank to the engine's fuel injection system via the fuel line.
- Motor vehicle fuel selector switchOn bi-fuel vehicles, this dashboard switch allows the driver to select between fuels.
- Motor vehicle fuel tankTank which stores the fuel on board the vehicle until it's needed by the engine.
- Motor vehicle private carrierAny person not included in terms “common carrier by motor vehicle” or “contract carrier by motor vehicle”...
- Motor vehicle scrap1. Vehicle or automobile bodies, including automobile body hulks, that have been processed through a...
- Motor vehicle surface coatingSpray application of coatings to assembled motor vehicles or mobile equipment. For the purposes of this...
- Motor vehicle system modification1. Any motor vehicle engine modification which controls or causes the reduction of substances emitted from...
- Motor vehicle waste disposal wellThese are subsurface disposal systems which receive fluids from repair or maintenance of vehicles. They are...
- MotorcoachHeavy-duty vehicle designed for carrying 30 or more passengers over long distances. Such vehicles are...
- Motorcycle1. A two- or three-wheeled motor vehicle designed to transport one or two people, including motor scooters...
- Motorcycle model specific codeDesignation used for labeling purposes in §§ 205.158 and 205.169 for identifying the motorcycle manufacturer...
- Motorcycle noise levelA-weighted noise level of a motorcycle as measured by the acceleration test procedure.
- Mouldboard ploughingConventional tillage using a moldboard plow. It turns over the soil and typically leaves less than 15 percent...
- MoundA low, rounded, natural hill of unspecified origin, which is generally less than 3 meters high and composed...
- Mound/HummockA low, rounded, natural hill of unspecified origin, which is generally less than 3 meters high and composed...
- Mount PinatuboA volcano in the Philippine Islands that erupted in 1991. The eruption of Mount Pinatubo ejected enough...
- Mountain rangeChain of hills or mountains; a somewhat linear, complex mountainous or hilly area.
- Mountain Standard TimeSeven hours behind Coordinated Universal Time
- Mountain waveThe wavelike effect, characterized by updrafts and downdrafts, that occurs above and behind a mountain range...
- Mountain-plain wind systemA closed, large-scale, thermally driven circulation between the mountains and the surrounding plain. The...
- Mountaintop coal mineMountaintop coal mine is a surface mine involving the removal of mountaintops to expose coal seams, and...
- Mountaintop miningSurface coal mining operations occurring on mountaintops, ridges, and other steep slopes that produce excess...
- Mountaintop Mining/Valley Fill MiningSurface coal mining operations occurring on mountaintops, ridges, and other steep slopes that produce excess...
- Mouse modelThe use of special strains of mice to study a human disease or condition, and how to prevent and treat it.
- MouseholeA shallow bore hole under the rig floor, usually lined with pipe, in which joints of drill pipe are...
- MousseA thick, foamy oil and water mixture formed when petroleum products are subjected to mixing with water by the...
- Mouthing behaviorActivities in which objects, including fingers, are touched by the mouth or put into the mouth except for...
- MouthwashSolutions for rinsing the mouth, possessing cleansing, germicidal, or palliative properties.
- Movable vehicleInclude but are not limited to: Trucks, front end loaders, skip hoists, and railcars.[40 CFR 60.671 [40 CFR...
- mRNA expressionThe synthesis or transcription of messenger RNA.
- mRNA surveillancemRNA Surveillance works within elaborate cellular mechanisms to ensure accurate gene expression by assessing...
- MSW landfillA landfill designed for and accepting only municipal solid waste.
- MSXA parasitic oyster disease that thrives in warm, high-salinity waters and can affect oysters of all ages.
- Muck cookerDevice for heating perchloroethylene-laden waste material to volatilize and recover perchloroethylene.
- Muck soilsEarth made from decaying plant materials.
- MucorA genus of zygomycetous fungi of the family Mucoraceae, order Mucorales. It is primarily saprophytic, but may...
- MucosaThe moist, inner lining of some organs and body cavities (such as the nose, mouth, lungs, and stomach)...
- Mud cakeAlso called filter cake; the layer of mud particles that builds up on the wall of a rotary-drilled hole as...
- Mud filtrateThe liquid effluent of drilling mud that penetrates the wall of the hole.
- Mud flat1. A muddy, low-lying strip of ground by the shore, or an island, usually submerged more or less completely...
- Mud flat habitatIntertidal mudflats or subtidal substrate containing organic material and particles smaller in size than...
- Mud motorA horizontal directional drilling tool that causes the drill bit to rotate while the drill pipe does not...
- Mud volcanoAn accumulation (usually conical in shape) of mud and rock formed by volcanic gases; may also refer to a...
- Mudballs1. Material that is approximately round in shape and varies from pea-sized up to two or more inches in...
- MudflatA level area of fine silt and clay along a shore alternately covered and uncovered by the tide or covered by...
- MufflerDevice for abating the sound of escaping gases of an internal combustion engine.
- Mulch1. A layer of material (wood chips, straw, leaves, etc.) placed around plants to hold moisture, prevent weed...
- Mulch tillageFull-width tillage involving one or more tillage trips which disturbs all of the soil surface and is done...
- Mulching1. Refers to the process by which the volume of organic waste is reduced through shredding or grinding.
- Multi agency contractTask-order or delivery-order contract established by one agency for use by Government agencies to obtain...
- Multi pollutant sensorTechnology used to identify multiple sources of pollution in the air.
- Multi-angle imaging spectroradiometerNASA satellite instrument which views the Earth with cameras pointed at nine different angles to measure the...
- Multi-AttributeA type of eco-label or standard that captures a number of environmental attributes or life-cycle attributes...
- Multi-attribute utility theoryApproach to solving a multifaceted problem by determining the best outcome through the assignment of an...
- Multi-cell stormA multi-cell storm is a common, garden-variety thunderstorm in which new updrafts form along the leading edge...
- Multicellular processA biologic function or process involving coordinated groups or populations of single cell types, mixed cell...
- Multicolor coatingCoating labeled exclusively as such wherein spots, globules, or spatters of contrasting colors appear on or...
- Multi-colored coatingCoating that is packaged in a single container and exhibits more than one color when applied.
- Multi-colored topcoatTopcoat that exhibits more than one color, is packaged in a single container, and camouflages surface defects...
- Multi-component kitAerosol spray paint system which requires the application of more than one component (e.g. foundation coat...
- Multicomponent systemUsed in conjunction with batch process vents, a stream whose liquid and/or vapor contains more than one...
- Multidrug resistance processSimultaneous resistance to a spectrum of unrelated drugs following exposure to a single agent. Mechanisms...
- Multi-establishment facilityFacility that consists of two or more distinct and separate economic units.
- Multiestablishment facilityA multi-establishment facility is a facility that consists of two or more distinct and separate economic unit...
- Multi-family residential projectA project where multiple separate housing units for residential (i.e., non-commercial) inhabitants are...
- Multifilter rotating shadowband radiometer(Instrument which) takes spectral measurements of direct normal, diffuse horizontal and total horizontal...
- Multi-fuel vehicleAny motor vehicle capable of operating on two or more different fuel types, either separately or...
- Multi-header generatorGenerator served by ductwork from more than one unit.
- Multi-header unitUnit with ductwork serving more than one generator.
- Multijurisdictional incidentAn incident requiring action from multiple agencies that each have jurisdiction to manage certain aspects of...
- Multi-laboratory Procedure StudyA study where multiple laboratories individually perform estimates of accuracy, precision, and/or detection...
- Multi-mediaTechnically any communications product or format that combines more than one specific format or medium to...
- MultimediaMore than one media, for example, combined audio and visual components. It is important to note that a number...
- Multi-media approachJoint approach to several environmental media, such as air, water, and land.
- Multimedia, multireceptor, multipathway risk assessmentMulti-media, fate and transport, multi-receptor exposures, and multi-pathway exposure routes risk assessments
- Multi-metal continuous emission monitorMonitor that measures multiple metal elements in stack gas.
- MultimetricAnalysis techniques using several measurable characteristics of a biological assemblage.
- Multimetric analysisAnalysis techniques using several measurable characteristics of a biological assemblage.
- MultinomialAnimals or individuals may be classified by more than two (binomial) categories, e.g., in a reproductive...
- Multinomial distributionA discreet probability distribution, which is a generalization of the binomial distribution. This...
- Multinucleated sphere unknownParasitic oyster disease that thrives in warm, high-salinity waters and can affect oysters of all ages.
- Multi-parameter water monitorMonitors that have Sensor that monitor multiple water parameters (pH, conductivity, free chlorine, ORP...
- Multi-parameter water quality probeProbes which continuously measure one or more water quality parameters, such as turbidity, chlorophyll A...
- Multipathway assessmentAn assessment that considers more than one exposure pathway. For example, evaluation of exposure through both...
- Multi-pathway exposureWhen an organism is exposed to pollutants through more than one exposure pathway. One example would be...
- Multipathway exposureWhen an organism is exposed to pollutants through more than one exposure pathway. One example would be...
- Multipathway riskThe risk resulting from exposure to pollutants through more than one pathway.
- Multi-phase extractionA generic term for technologies that extract VOCs in soil vapor and groundwater simultaneously to remediate...
- Multiple award contractContract that is - (1)A Multiple Award Schedule contract issued by GSA (e.g., GSA Schedule Contract) or...
- Multiple causation1. The term multiple causation is applied to two distinct situations: 1. Plural causation refers to...
- Multiple chemical sensitivity1. A diagnostic label for people who suffer multi-system illnesses as a result of contact with, or proximity...
- Multiple chemicals exposureSimultaneous exposure to more than one harmful chemical substances
- Multiple control devices systemThese systems measure, detect, or analyze an emission or operating parameter for an emissions unit or for an...
- Multiple ferrous melting furnace scrubber configurationA multiple ferrous melting furnace scrubber configuration is a configuration where two or more discrete wet...
- Multiple land useUse of land for more than one purpose; e.g., grazing of livestock, watershed and wildlife protection...
- Multiple modes of actionWhen there is more than one mechanism by which a pharmacologically active substance produces an effect on a...
- Multiple regression analysisA statistical method that describes the extent, direction, and strength of the relationship between several...
- Multiple seam mineSurface mine in areas where several seams are recovered from the same hillside.
- Multiple stack configurationExhaust configuration in which the flue gases from a particular unit discharge to the atmosphere through two...
- Multiple stand work roll millRecirculation or direct application cold rolling mills which include more than one stand of work rolls.
- Multiple substances effectBiologic response to exposure to multiple substances
- Multiple use1. Use of land for more than one purpose; i.e., grazing of livestock, wildlife production, recreation...
- Multiple wastestream CWT facilityCWT facility which accepts waste in more than one CWT subcategory (metals, oils, or organics) and combines...
- Multiple-aquifer SystemA hydrogeological situation consisting of two or more aquifers that are not interconnected and that underlie...
- Multiple-effect evaporator systemMultiple-effect evaporators and associated condenser(s) and hotwell(s) used to concentrate the spent cooking...
- MultiplexingA laboratory approach that performs multiple sets of reactions in parallel (simultaneously); greatly...
- MultiplierThe effect across sectors of the economy that occurs when an expenditure results in a great economic impact...
- Multi-pollutant approachTechnical elements that form the basis of a multi-pollutant approach: Pollutants may have common emissions...
- Multi-regional responseIn this context, refers to an emergency response that requires the involvement of more than one EPA region.
- Multi-sector general permitThe Stormwater Multi-Sector General Permit (MSGP) authorizes the discharge of stormwater from industrial...
- Multi-stage modelMathematical model based on the multi-stage theory of the carcinogenic process, which yields risk estimates...
- Multistage model1. A mathematical function used to extrapolate the probability of cancer from animal bioassay data.
- Multi-stage pumpA pump that has more than one impeller. A single-stage pump has one impeller.
- Multistage remote sensingA strategy for landscape characterization that involves gathering and analyzing information at several...
- Multistage Weibull model1. A dose-response model for low-dose extrapolation that includes a term for decreased survival time...
- Multivariate analysisAn analysis of the relationships between more than two variables.
- Multivariate community analysisStatistical methods (e.g. ordination or discriminant analysis) for analyzing physical and biological...
- Multivariate normal distributionA normal distribution which models more than one variable of interest. The parameters of the multivariate...
- Multi-walled carbon nanotubeCarbon nanotubes where more than one concentric layer form the walls of the tube
- Multi-wellhead only well siteWell site that contains two or more wellheads and no major production and processing equipment.
- Multiwellhead only well siteWell site that contains two or more wellheads and no major production and processing equipment.
- Municipal and private water supplyConsist of surface water or ground water which is directed to the intake of a municipal or private water...
- Municipal biosolidProperly treated residual from treatment of municipal wastewater.
- Municipal dischargeDischarge of effluent from waste water treatment plants, which receive waste water from households...
- Municipal land ownershipA type of ownership pertaining to land belonging to the local government of a town or city.
- Municipal master or comprehensive planA plan that determines community goals and aspirations for community development. A comprehensive or master...
- Municipal separate storm sewer system1. A conveyance or system of conveyances (including roads with drainage systems, municipal streets, catch...
- Municipal sewage1. Wastes (mostly liquid) originating from a community; may be composed of domestic wastewaters and/or...
- Municipal sewer overflowA discharge of a mixture of stormwater and domestic waste when the flow capacity of a sewer system is...
- Municipal sludge1. Refers to the semiliquid residue remaining from the treatment of municipal water and wastewater.
- Municipal solid waste1. Common garbage or trash generated by industries, businesses, institutions, and homes.
- Municipal solid waste landfill1. A discrete area of land or excavation that receives municipal solid waste.
- Municipal solid waste landfill emissionGas generated by the decomposition of organic waste deposited in an MSW landfill or derived from the...
- Municipal solid waste landfill federal planEPA plan to implement 40 CFR part 60, subpart Cc for existing MSW landfills located in States and Indian...
- Municipal solid waste landfill structural componentLiners, leachate collection systems, final covers, run-on/run-off systems, and any other component used in...
- Municipal solid waste landfill unit1. Discrete area of land or an excavation that receives household waste, and that is not a land application...
- Municipal sourcePOTWs collect domestic sewage from houses, other sanitary wastewater, and wastes from commercial and...
- Municipal waste combustor1. Any setting or equipment that combusts solid, liquid, or gasified MSW including, but not limited to...
- Municipal waste combustor acid gasAll acid gases emitted in the exhaust gases from municipal waste combustor units including, but not limited...
- Municipal waste combustor ashResidue that is left after municipal waste has been burned.
- Municipal waste combustor metalsMetals and metal compounds emitted in the exhaust gases from municipal waste combustor units.
- Municipal waste combustor organicsOrganic compounds emitted in the exhaust gases from municipal waste combustor units and includes...
- Municipal waste combustor plant1. One or more designated facilities (as defined in § 60.32b) at the same location.
- Municipal waste combustor plant capacity1. Aggregate MWC unit capacity of all MWC units at an MWC plant for which construction, modification, or...
- Municipal waste combustor unit1. Any setting or equipment that combusts solid, liquid, or gasified MSW including, but not limited to...
- Municipal waste combustor unit capacity1. Maximum design charging rate of an MWC unit expressed in megagrams per day (tons per day) of MSW...
- Municipal waste combustor unit load1. Steam load of the MWC unit measured as specified in § 60.58a(h)(6)
- Municipal wastewater treatment facility digesterAnaerobic digester that processes only municipal wastewater treatment plant sludge with an adjusted...
- Municipal wastewater treatment plantSeries of treatment processes used to remove contaminants and pollutants from domestic, business, and...
- Municipal water useWater withdrawn by public and private water suppliers that furnish water to at least 25 people or have a...
- Municipality1. A city, town, or other public body created by or pursuant to State law, or an Indian Tribe which does not...
- Municipal-type solid waste1. Refuse, more than 50 percent of which is waste consisting of a mixture of paper, wood, yard wastes, food...
- MunitionsFor purposes of defining a material as a solid waste under RCRA Subtitle C, ammunition products and...
- Munitions emergency responseAll immediate response activities by an explosives and munitions emergency response specialist to control...
- Murky water1. Murky Water (turbidity) refers to water that is cloudy, muddy or opaque (turbid) because of suspended soil...
- Mus musculusHouse mouse.
- Musa spp.Bananas and plantains
- Muscarinic receptor bindingA process that involves the non-covalent interaction of acetylcholine with one of the five muscarinic...
- MuscleContractile tissue that produces movement.
- Muscle contractionThe process where thick (myosin) and thin (actin) filaments slide against each other to produce a shortening...
- Muscle metabolismSum of chemical changes that occur within the muscles of an organism consisting of anabolism (biosynthesis)...
- Muscle system processA organ system process carried out at the level of a muscle. Muscle tissue is composed of contractile cells...
- Muscle tissueTissue responsible for the body movements and the shape and size changes of interna organs. Muscle tissue is...
- Muscular diseasesAcquired, familial, and congenital disorders of skeletal muscle and smooth muscle. [NLM Medical Subject...
- Musculoskeletal diseasesDiseases of the muscles and their associated ligaments and other connective tissue and of the bones and...
- Musculoskeletal systemThe muscles, bones ( Bone and Bones), and cartilage of the body.
- Mushroom1. Fruiting bodies of basidiomycetous fungi.
- Mushroom processingProcessing of mushrooms into the following product styles: Canned, frozen, dehydrated, all varieties, shapes...
- MuskegA type of bog that has developed over thousands of years in depressions, on flat areas, and on gentle to...
- MuskingumThe Muskingum River Basin. Ohio. Area = 7980 sq.mi.
- Mutagen1. A substance that can induce an alteration in the structure of DNA.
- Mutagenic1. Inducing genetic mutation
- Mutagenicity1. The property of a chemical that causes the genetic characteristics of an organism to change in such a way...
- Mutation1. A change (damage) to the DNA, genes, or chromosomes of living organisms.
- Mutation fixationIn avoiding recognition and removal by the mismatch repair system, a Mutation Fixation involves stabilization...
- MutingChange in the amplitude of all or part of a trace before additional processing. Noisy or clearly erroneous...
- Mutual recognitionWhere eco-label programs or standard-setting organizations formally recognize the criteria and requirements...
- Mutualism1. A symbiotic relationship in which both partners benefit.
- MutualistTwo species that have evolved together into a mutually beneficial relationship. For example, mycorrhizal...
- MVAC-Like Appliance1. Mechanical vapor compression, open-drive compressor appliances with a normal charge of 20 pounds or less...
- MVNRLM diesel fuel1. Any diesel fuel or other distillate fuel that meets the definition of motor vehicle (MV) or nonroad...
- Mycelial fanA fan-shaped mycelial mat forming under the bark and wood of roots or lower trunks; associated with...
- Mycelial growthIncrease in length and number of the hyphae contained in the mycelium of a fungus
- Mycelium1. Mass of hyphae constituting the body (thallus) of a fungus.
- MycobacteriosisAn infectious disease that causes inflammation, tissue destruction and the formation of scar tissue in the...
- Mycobacterium bovisThe bovine variety of the tubercle bacillus. It is called also Mycobacterium tuberculosis var. bovis.
- Mycobiont1. In this special biological relationship the fungus provides a protective exterior surface for the alga...
- MycoherbicidesFormulations of plant pathogenic fungi which control the growth of or kill undesirable plants and weeds.
- Mycoheterotrophic plantPlants that get nutrients from parasitizing fungi
- MycoparasiteA fungus which is parasitic on another fungus.
- Mycoplasma1. An organism capable of causing mastitis.
- Mycoplasma mycoidesThe etiological agent of contagious pleuropneumonia ( PLEUROPNEUMONIA, CONTAGIOUS) of cattle and goats.
- Mycoplasma-like organismVery small plant parasites which cause plant diseases
- MycorrhizaeSymbiotic combination (dual organism) of the mycelium of fungi with the roots of plants. The roots of almost...
- Mycorrhizal associationA symbiotic association of certain fungi with roots. The fungi receive energy and nutrients from the plant...
- Mycorrhizal fungusFungus that forms a symbiotic relationship with the roots of plants. The plant provides carbohydrates to the...
- Mycosphaerella fijiensisCauses a deadly leaf disease of banana plants
- Mycotoxic fungusFungus that produces toxic chemical compounds, often growing in crops
- MycotoxicosesPoisoning due to mycotoxins.
- MycotoxinA toxin produced by a mold.
- Mycotoxin biosynthesisThe fungal fumonisin and trichothecene synthetic pathways that produce mycotoxins
- Mycotoxin contaminationMycotoxin contamination of crops has been a world wide problem for thousands of years. The most frequently...
- Mycotoxin metaboliteSecondary metabolites of certain species of fungi (molds) Approx. 300 listed mycotoxins Genera of toxigenic...
- Mycotoxins, see Mycotoxin
- MydriasisExtreme dilation of the pupil
- Myeloid cell apoptotic processAny apoptotic process occurring in a neutrophil, eosinophil or basophil.
- Myeloid leukemiaOne form of cancer of the blood-forming tissue, primarily the bone marrow and lymph nodes.
- MyeloproliferationMyeloproliferation involves both medullary and extramedullary proliferation of bone marrow constituents, such...
- Myelosuppression1. Suppression of the formation of bone marrow
- MyobatrachidaeAustrialian Frog
- Myocardial contractionContractile activity of the myocardium.
- Myocardium1. The muscle tissue of the heart. It is composed of striated, involuntary muscle cells (myocytes, cardiac)...
- MyoglobinAn oxygen-binding protein found in the muscle cells of animals. It functions as an oxygen storage unit...
- Myosin1. Superfamily of proteins that function as translocating proteins. The common characteristics are to bind...
- Myriophyllum spicatumEurasian watermilfoil, also called spike watermilfoil, is an emergent, herbaceous aquatic plant. Stems grow...
- Myrothecium verrucaria1. A common plant pathogenic fungus which decomposes cellulose.
- MyrtalesFlowering plants in the myrtle order
- Mysis relictaShrimp found primarily in the Great Lakes. A primary food source for Lake Trout.
- Myxobolus cerebralisThe myxozoan parasite which causes Whirling disease, a potentially lethal infection of salmonid fish.
- Myxoma virusThe type species of LEPORIPOXVIRUS causing infectious myxomatosis, a severe generalized disease, in rabbits...
- MyxomatosisA serious and usually fatal viral infection of rabbits, spread by biting insects carrying the myxoma virus.
1,782 of 29,894 terms in Environment terminology (MLC-0121). Request the full dataset.