Environment terminology · MLC-0121

Environment terms: P (2,670)

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Primary material use50 percent or more of a material is used for a particular purpose.
Primary metal castMetal that is poured in the greatest quantity at an individual plant.
Primary metal manufacturingIndustries in the Primary Metal Manufacturing subsector smelt and/or refine ferrous and nonferrous metals...
Primary millSteel hot forming operations that reduce ingots to blooms or slabs by passing the ingots between rotating...
Primary oil recovery1. Pumping out the crude oil that flows by gravity into the bottom of an oil well. See enhanced oil recovery...
Primary organic aerosolCarbon-containing aerosols containing either or both liquid and solid particles which are directly emitted...
Primary organizationOrganization that owns and/or manages a resource.
Primary oxygen blowPeriod in the steel production cycle of a BOPF during which a high volume of oxygen-rich gas is introduced to...
Primary panelSurface that is considered to be the front surface or that surface which is intended for initial viewing at...
Primary pollutant1. Substances that are pollutants immediately on entering the atmosphere.
Primary preventionPrevention of disease or mental disorders in susceptible individuals or populations through promotion of...
Primary producerOrganisms, such as algae, that convert solar energy to organic substances through chlorophyll. Primary...
Primary producers, see Primary producer
Primary product1. Defined in and determined by the procedures specified in § 63.1310(f).
Primary production1. Primary production is the creation of organic matter from carbon dioxide through photosynthesis. Plants...
Primary productivity1. A measure of the rate at which new organic matter is formed and accumulated through photosynthesis and...
Primary quality assurance organizationMonitoring organization or other organization that is responsible for a set of stations that monitor the same...
Primary radon measurement serviceRadon measurement services using a specific device which services include the capability to read and/or...
Primary recoveryThe crude oil or natural gas recovered by any method that may be employed to produce them where the fluid...
Primary secondary comboSystem generated unique identifier for an assignment between a Primary and Secondary Activity Category.
Primary standardA national primary ambient air quality standard promulgated pursuant to section 109 of the Act.
Primary standards, see Primary standard
Primary successionThe sequence of communities developing in a newly exposed site devoid of life (Ricklefs 1979:877).
Primary tillageThe mechanical manipulation of soil that displaces and shatters soil to reduce soil strength and to bury or...
Primary treatment1. First stage of wastewater treatment in which solids are removed by screening and settling.
Primary tube dryerSingle-stage tube dryer or the first stage of a multi-stage tube dryer. Tube dryer stages are separated by...
Primary vendorVendor of the NOX emission control system who has primary responsibility for providing the equipment...
Primary waste treatmentFirst steps in wastewater treatment; screens and sedimentation tanks are used to remove most materials that...
Primary wastewater treatmentThe first stage of the wastewater-treatment process where mechanical methods, such as filters and scrapers...
Primary water treatmentFor the purposes of this subpart means treatment by screening, sedimentation, and skimming adequate to remove...
Primary zinc processingpyrometallurgical methods, including distillation, or hydrometallurgical methods, including electrowinning...
Primary zinc production facilityInstallation engaged in the production, or any intermediate process in the production, of zinc or zinc oxide...
Primary zinc smelterAny installation engaged in the production, or any intermediate process in the production, of zinc or zinc...
PrimeThe action of filling a pump casing with water to remove the air. Most pumps must be primed before startup or...
Prime coatInitial coat applied to a part when more than one coating is applied, not including conductive sensitizers or...
Prime coat operation1. Prime coat spray booth or dip tank, flash-off area, and bake oven(s) which are used to apply and dry or...
Prime farmland1. Land that has the best combination of physical and chemical characteristics for producing food, feed...
Prime moverThe engine, turbine, water wheel, or similar machine that drives an electric generator; or, for reporting...
Primer1. Any coating applied prior to the application of a topcoat for the purpose of corrosion resistance and/or...
Primer-SealerAny coating applied prior to the application of a topcoat for the purpose of corrosion resistance, adhesion...
Primer-SurfacerAny coating applied prior to the application of a topcoat for the purpose of filling surface imperfections in...
PrimocaneA biennial stem typical of Rubus. In the first year of growth, the stem is called a primocane, since it is...
PrimordialExisting since the beginning of time (i.e. the formation of the solar system).
Principal cause1. The cause that makes the largest contribution to the effect.
Principal display panel1. Entire portion of the surface of a product, container or its outer packaging that is most likely to be...
Principal importerThe first importer who, knowing that a new chemical substance will be imported rather than manufactured...
Principal investigator1. The intramural researcher or extramural awardee whose work is being deposited in PMC and may serve as both...
Principal organic hazardous constituents1. Hazardous compounds monitored during an incinerator's trial burn, selected for high concentration in the...
Principal place of business1. Principal location, either residence or office, in the State in which an individual, partnership, or...
Principal spillwaySpillway that is designed to provide continuous or frequent regulated or unregulated releases from a...
Principal sponsorIndividual sponsor or the joint sponsor who assumes primary responsibility for the direction of a study and...
Principle components analysisA widely used multivariate statistical technique which can be used to reduce the number variables analyzed...
Print stationWork station on which a printing operation is conducted.
Printed circuit board operationAny step in the printed circuit board manufacturing process in which the board is immersed in an aqueous...
Printed recordsPublished materials (such as books, maps, and posters) or serial issuances (such as directives and press...
Printed type sizeActual height of the printed image of each capital letter as it appears on a label.
PRINTER1. In electronic records, a computer output device that makes a paper copy of alphanumeric or graphic...
Printer ribbonNylon fabric designed to hold ink and used in dot matrix and other types of impact printers.
Printer spreadsEach page needs to be printed next to it is true opposing page, versus the way it will look in the end after...
PrintingApplication of color and patterns to textiles, usually in the form of a paste, using a variety of techniques...
Printing and related support activitiesIndustries in the Printing and Related Support Activities subsector print products, such as newspapers...
Printing machine workerDuties vary according to the type of press they operate. Traditional printing methods, such as offset...
Printing materialPurchased substances, usually including gums or thickeners, dyes and appropriate chemicals such as defoamers...
Printing operationFormation of words, designs, or pictures on a substrate other than wood furniture components as defined in...
Printing pressEquipment that prints text or pictures by transferring ink from type or plates
PRINTOUTOutput produced by a computer printer, generally on continuous paper sheets.
Prion1. An unusual infectious agent that consists purely of protein.
PrionsMicroscopic particles made of protein that can cause disease.
Prior appropriation1. A doctrine of water law that allocates the right to use water on a first-come first-serve basis.
Prior appropriation doctrine1. The system for allocating water to private individuals used in most Western states. The doctrine of Prior...
Prior approvalDocumentation/written approval by an authorized official evidencing consent prior to incurring specific cost.
Prior approval and conditionsAny authorization, license, or equivalent control document issued under the authority of the state regulating...
Prior distributionA Bayesian term referring to the hypothesized, expected, or calculated probability distribution for an event...
Priority chemicalA set of chemicals, found in the nation’s products and wastes, that EPA targets for voluntary reduction (or...
Priority pollutant1. Pollutant considered to be of principal importance for control under the CWA based on the NRDC consent...
Priority pollutants, see Priority pollutant
Priority provinceOne of 76 non-U. S. geologic provinces defined by the USGS that together contain 95 percent of the world's...
Priority reportReports listed in Appendix 1 to part 3.
Priority reports, see Priority report
Priority settingAn activity that ranks chemicals on their hazard and/or exposure potential based on specified criteria in a...
Priority water quality areaFor the purposes of §35.2015, specific stream segments or bodies of water, as determined by the State, where...
PrisonsThe prison boundary feature class contains secure detention facilities. These facilities range in...
Pristine ecosystemAn ecosystem that has not been altered by human activities
PrivacyState of being free from unwanted intrusion into one’s personal space, private information, or personal...
Privacy ActTo amend title 5, United States Code, by adding a section 552a to safeguard individual privacy from the...
Privacy/Personally Identifiable InformationInformation that could be used to uniquely identify a person or could be combined with other information to...
Private applicator1. A category of applicator certification for farmers and/or employees such that they can legally apply...
Private cloudThe cloud infrastructure is provisioned for exclusive use by a single organization comprising multiple...
Private land ownershipA type of ownership pertaining to land belonging to an individual person or persons, a partnership, or a...
Private wage and salary workerIncludes people who worked for wages, salary, commission, tips, pay-in-kind, or piece rates for a...
Private water wellsApproximately 20% of people in the US get their water from a private domestic well. These water sources are...
Privately owned treatment works1. Any device or system that is (a) used to treat wastes from any facility whose operator is not the operator...
Private-public key pairsA pair of cryptographic keys-a public key and a private key-used to execute digital signatures by a user. The...
Privileged/Confidential Agency InformationIncludes information protected by the deliberative process, attorney client, or attorney work-product...
ProbabilisticA type of statistical modeling approach used to assess the expected frequency and magnitude of a parameter by...
Probabilistic analysisProbabilistic Analysis as opposed to deterministic analysis, is calculation and expression of health risks...
Probabilistic approachUses distributions of data from which multiple points are used as inputs to the exposure equation. This...
Probabilistic causation1. Metaphysical probabilism-Because of the inherent unpredictability of the world, effects can be predicted...
Probabilistic modeling1. A technique that utilizes the entire range of input data to develop a probability distribution of exposure...
Probabilistic risk analysis1. Calculation and expression of health risks using multiple risk descriptors to provide the likelihood of...
Probabilistic samplingSampling in which sites are randomly chosen to represent a larger sampling population for the purpose of...
Probabilistic sampling - simple random samplingMost fundamental type of probabilistic sampling. Sampling locations are selected completely at random from a...
Probabilistic sampling - stratified samplingA sampling area is subdivided into separate strata (for example, within or outside the ventilation zone) and...
Probabilistic sampling - systematic samplingConsists of collecting samples at locations or over time in a specified pattern. Systematic sampling ensures...
Probabilistic sampling methodApproach to choosing samples in which the elements are selected in a random manner.
Probabilistic uncertainty analysisTechnique that assigns a probability density function to each input parameter, then randomly selects values...
Probability1. Chance that a given event will occur.
Probability density function1. Mathematical, graphical, or tabular expression of the relative likelihoods with which an unknown or...
Probability designA sampling scheme such that the probabilities of including selected units in the sample are known, and all...
Probability distribution1. A distribution of a variable that expresses the probability that particular attributes or ranges of...
Probability distribution functionA graph that shows the probability of occurrence of an unknown or variable quantity. A PDF is used to...
Probability of detectionThe likelihood, expressed as a percentage, that a test method will correctly identify a leaking tank.
Probability of failureThe chance an asset will fail based on the percent of effective life consumed and redundancy.
Probability sample1. A group of cases selected from a population by a random process. Every member of the population has a...
Probability samplingA method for drawing a sample from a population such that all possible samples have a known and specified...
Probability weightIn a probability sample, the sample weights are the inverses of the inclusion probabilities; these are always...
Probability-based designA type of random sampling technique in which every element of the population has a known probability of being...
Probable causeThe cause that is most likely to be the true cause of an effect.
Probable effects concentrationThe level of a concentration in the media (surface water, sediment, soil) to which a plant or animal is...
Probable effects level1. An estimate of the concentration of a potentially toxic substance in sediment, above which the toxic...
Probable errorThe magnitude of error which is estimated to have been made in determination of results.
Probable point of entryPoint at which the overland segment of a hazardous substance migration path intersects with surface water. A...
Probationary calibration error testOn-line calibration error test performed in accordance with section 2.1.1 of appendix B to part 75 of this...
Probe1. To examine a subject in an interview in depth, using several questions.
Probe holeSynonym for DP hole (the hole resulting from advancement of DP tools).
Probit analysisA statistical transformation which will make the cumulative normal distribution linear. In analysis of...
Probit functionAssumes that the relative probabilities of effects as a function of dose are described by a Normal...
Probit model1. A dose-response model.
Problem formulation1. In ecological risk assessment, the initial stage of a risk assessment where the purpose of the assessment...
Problem identificationProcess of examining the matter or situation causing difficulty to find the fundamental reason for it and...
Problem solving processAny systematized method by which the solution to a problem can be obtained.
Problem statementA statement of the perceived problem to be studied by the risk assessment. Problem statements often also...
ProboscisA long or tubular mouth part in certain insects, worms and spiders that is used for feeding, sucking and...
ProcaryoteA cellular organism in which the nucleus has no limiting membrane.
Procedural justiceRefers to using fair processes to make decisions that affect people.
Procedural Language/ Source Query LanguagePL/SQL stands for Procedural Language/ Source Query Language and is used in Oracle database applications...
Procedural measureRisk management measures such as policies, operating procedures, training, administrative controls, and...
Procedural mechanismAdministrative procedure, guideline, manual, or written statement.
Procedural provisionsProvisions including public notice, public hearings and appeals. Provisions that give a state agency or...
Procedural standard1. An aqueous calibration standard prepared and processed (e.g., purged, extracted, and/or derivatized) in...
Procedural standard calibration1. Preparing a calibration curve using procedural standards. Using procedural standard calibration...
Procedure1. A specified way to perform an activity.
Proceedingusually derived from the presentation of a paper and from the questions, answers, and general discussion at...
Process1. The programmed, sequenced set of things actually done to carry out a program mission.
Process agentUse of a regulated substance to form the environment for a chemical reaction or inhibiting an unintended...
Process area floor cleaningRemoves dirt, debris, and process solution spills from process area floors. Floors can be cleaned using wet...
Process as a formulation component1. An EPCRA Section 313 chemical is added to a product (or product mixture) prior to further distribution of...
Process as a reactant1. A natural or synthetic EPCRA Section 313 chemical is used in chemical reactions for the manufacture of...
Process as an article componentAn EPCRA Section 313 chemical becomes an integral component of an article distributed for industrial, trade...
Process as an impurityThe EPCRA Section 313 chemical is processed but is not separated and remains in the mixture or other trade...
Process changeAddition to or change in a PVCPU and/or its associated process components that creates one or more emission...
Process componentAny unit operation or group of units operations or any part of a process or group of parts of a process that...
Process component capacity1. Cumulative rated capacity of all initial crushers that are part of the plant.
Process condenser1. Condenser whose primary purpose is to recover material as an integral part of a process. The condenser...
Process connection1. Causal relationships result from interactions that are physical processes such as the exchange of energy...
Process contact cooling tower systemCooling tower system that is designed and operated to allow contact between the cooling medium and process...
Process controlIncludes extended cookout (as defined in this section). Condensers operating as reflux condensers that are...
Process controllerAutomated instrument used for maintaining a process condition such as liquid level, pressure, delta-pressure...
Process dryerPiece of process equipment, i.e. equipment that is an essential piece of manufacturing the product, which
Process emission1. Particulate matter which is collected by a capture system.
Process energy emissionEmissions from energy consumption during the acquisition and manufacturing processes
Process energy emissions, see Process energy emission
Process equipmentEquipment used directly in a manufacturing process
Process equipment installationIdentifiable piece of process equipment.
Process equipment mechanical integrityProcess of ensuring that process equipment is fabricated from the proper materials of construction and is...
Process equipment repairEquipment and devices used to repair or maintain process equipment or to prepare molds, dies, or other...
Process evaluation1. This form of evaluation assesses the extent to which a program is operating as it was intended. It...
Process for commercial purposes1. Preparation of a chemical substance or mixture after its manufacture for distribution in commerce with the...
Process fugitive emissionParticulate matter emissions from an affected facility that are not collected by a capture system.
Process fugitive emissions source1. Source of hazardous air pollutant emissions at a secondary lead smelter that is associated with lead...
Process fugitive sourceSource of hazardous air pollutant emissions at a primary lead processor that is associated with lead...
Process gasAny gas generated by a petroleum refinery process unit, except fuel gas and process upset gas as defined in...
Process generated waste water1. Any waste water used in the slurry transport of mined material, air emissions control, or processing...
Process heater1. Device that is primarily used to heat a material to initiate or promote a chemical reaction in which the...
Process improvementRoutine changes made for safety and occupational health requirements, for energy savings, for better utility...
Process lineGroup of equipment assembled that can operate independently if supplied with sufficient raw materials to...
Process major changeIntroduction of a new process, process equipment, or regulated substance, an alteration of process chemistry...
Process non-energy emissionEmissions occurring during manufacture that are not associated with energy consumption, e.g...
Process non-energy emissions, see Process non-energy emission
Process Operation/WastestreamThe Process Operation/Wastestream is the short title or name of the process operation or wastestream to which...
Process practicabilityCapability of being successfully accomplished within a reasonable time, accounting for economic...
Process printingPrinting from a series of two or more plates to produce intermediate colors and shades.
Process productProcess product classifications of varying value
Process routed emission1. Gas streams are conveyed to any enclosed portion of a process unit where the emissions are recycled and/or...
Process section1. Equipment designed to accomplish a general but well-defined task in polymer production. Process sections...
Process shutdown1. Work practice or operational procedure that stops production from a process or part of a process during...
Process solely for exportTo process or distribute in commerce solely for export from the United States under the following...
Process sourceAir pollution source using a procedure or combination of procedures for the purpose of causing a change in...
Process streamAll reasonably anticipated transfer, flow, or disposal of a chemical substance, regardless of physical state...
Process stream considerationAll reasonably anticipated transfer, flow, or disposal of a chemical substance, regardless of physical state...
Process stubA length of tubing that provides access to the refrigerant inside a small appliance or room air conditioner...
Process sub-typeSet of similar manufacturing steps, more closely related within a broad process type. For example, the...
Process tank1. Tank that is used within a process (including a solvent or raw material recovery process) to collect...
Process typeBroad groups of manufacturing steps used at a facility associated with substrate (e.g., wafer) processing...
Process unit1. Equipment specified in the definitions of process unit or chemical manufacturing process unit in the...
Process unit groupGroup of process units that manufacture PAI and products other than PAI by alternating raw materials or...
Process unit shutdown1. Work practice or operational procedure that stops production from a process unit or part of a process unit...
Process upset1. Defined at § 122.41(n).
Process upset gas1. Any gas generated by a petroleum refinery process unit as a result of start-up, shut-down, upset or...
Process variable1. A physical or chemical quantity which is usually measured and controlled in the operation of a water...
Process vent1. Any open-ended pipe or stack that is vented to the atmosphere either directly, through a vacuum-producing...
Process vent reference control technologyCombustion device or recapture device used to reduce organic hazardous air pollutant emissions by 98 percent...
Process vent streamGas stream from any equipment in target HAP service at the point where that gas stream is discharged from a...
Process vents in cloroprene serviceEach continuous front-end process vent, each batch front-end process vent, and each back-end process vent in...
Process verificationVerifying that process raw materials, water usage, waste treatment processes, production rate and other facts...
Process vessel1. Each vessel, except hand-held containers, used in the processing of raw materials to chemical products...
Process wasteAny designated toxic pollutant, whether in wastewater or otherwise present, which is inherent to or...
Process waste water1. Any water which, during manufacturing or processing, comes into direct contact with or results from the...
Process wastewater1. Any water which, during manufacturing or processing, comes into direct contact with, or results from the...
Process wastewater flowSum of the average daily flows from the following wastewater streams: Process stream and product washes...
Process wastewater pollutant1. Pollutants present in process wastewater flow.
Process wastewater streamStream that contains process wastewater.
Process wastewater treatment system1. Specific technique or collection of techniques that remove or destroy the organics in a process wastewater...
Process water1. Raw, service, recycled, or reused water that contacts the plastic product or contacts shaping equipment...
Process weightTotal weight of all materials, including fuel, used in a manufacturing process; used to calculate the...
Processed documents1. Documents other than publications produced by electrostatic, stencil, or other duplicating methods.
Processed pickle productionProcessing of pickles, cucumbers and other vegetables, all varieties, sizes and types, made after...
Processed scrap metalScrap metal which has been manually or physically altered to either separate it into distinct materials to...
Processing1. Handling files to prepare them for use and/or storage.
Processing activity1. Any activity involving a regulated substance including any use, storage, manufacturing, handling, or...
Processing equipment reconfigurationDisassembly of processing equipment for a particular non-dedicated process unit and reassembly of that...
Processing feeOne-time charge to cover the costs of processing an application by a potential user of a service.
Processing filesIn electronic records, those data files used to produce a master file. Include work files, test files...
Processing siteAny site, including the mill, designated by the Secretary under Section 102(a)(1) of the Act; and Any other...
Processing technologyMethods used in manufacturing operations.
PROCESSOR1. Someone who prepares files for use and/or storage.
Processors, see PROCESSOR
Processors and rerefinersFacilities that process used oil so that it can be burned for energy recovery or reused.
Procurement1. A new contract of any value above $2,500, including work assignments, delivery orders, task orders, GSA...
Procurement and contract informationInformation covering the acquisition of goods and services. Examples include cost or pricing data, contract...
Procurement itemAny device, good, substance, material, product, or other item, whether real or personal property, which is...
Procuring agency1. Any federal agency, or any state agency or agency of a political subdivision of a state, that is using...
ProduceThe EPCRA Section 313 chemical is produced at the facility.
Produce annual performance reportActivities to produce the Annual Report to document Agency activities and performance, document performance...
Produce product1. Manufacture or remanufacture. Where a certificate holder does not actually assemble the locomotives or...
Produce thereofWhen used with respect to plants containing plant- incorporated protectants only, means a product of a living...
Produced natural gasNatural gas that is separated from extracted reservoir fluids during production operations.
Produced oilOil that is separated from extracted reservoir fluids during production operations.
Produced oil storage tankUnit that is constructed primarily of non-earthen materials (such as steel, fiberglass, or plastic) which...
Produced sandSlurried particles used in hydraulic fracturing, the accumulated formation sands and scales particles...
Produced water1. After the drilling and fracturing of the well are completed, water is produced along with the natural gas...
Produced water containerStorage container at an oil production facility used to store the produced water after initial oil/water...
Produced water storage tankUnit that is constructed primarily of non-earthen materials (such as steel, fiberglass, or plastic) which...
Produced water use in propagationProduced water is of good enough quality to be used for wildlife or livestock watering or other agricultural...
ProducerThe person and/or organization with overall responsibility for creating and producing an audiovisual program...
Producer surplusThe difference between what a firm can sell its product for and the lowest amount the firm would accept for...
ProducersPlants that perform photosynthesis and provide food to consumers.
Product1. Electronic and information technology.
Product accreditation bodyAB that accredits conformity assessment bodies who perform product certification.
Product and packaging rotogravure printingProduction, on a rotogravure press, of any printed substrate not otherwise defined as publication rotogravure...
Product categoryThat applicable category which best describes the product as listed in tables 1 or 2 of this subpart and...
Product changeAny change in the composition of the furnace charge that would cause the electric submerged arc furnace to...
Product chargeA fee imposed on products that are believed to have environmentally harmful effects
Product chemistry1. Applies to data on a product's composition and the physical and chemical characteristics of the active...
Product classGroup of polyether polyols with a similar pressure decay curve (or faster pressure decay curves) that are...
Product degradation designDesign chemical products to break down to innocuous substances after use so that they do not accumulate in...
Product dryerEquipment that is used to remove moisture or other liquid from granular, powdered, or other solid PAI or...
Product dryer ventProcess vent from a product dryer through which a gas stream containing gaseous pollutants (i.e., organic...
Product finishing sectionEquipment that treats, shapes, or modifies the polymer or resin to produce the finished end product of the...
Product flowThe series of actions where products leave one product system and enter another product system.
Product formForm that most accurately describes the product's dispensing form including aerosols, gels, liquids, pump...
Product frostedPortion of the “furnace pull” associated with the fraction of finished incandescent lamp envelopes which is...
Product levelThe level of a product in a storage tank.
Product liability insuranceProvides protection against financial loss arising out of the legal liability incurred by a manufacturer...
Product life cycle1. The life cycle of a product system begins with the acquisition of raw materials and includes bulk material...
Product packaging stationEquipment used to fill containers with metallic compounds or metallic mineral concentrates.
Product performanceEfficacy; A study to determine how efficacious a pesticide is towards its targeted pest(s).
Product processing facilityAbove-ground structures for processing extracted resources
Product released for shipmentProduct becomes released for shipment when the producer has packaged and labeled it in the manner in which it...
Product reviewEPA's product review system is the communication management process that requires each program and regional...
Product separatorphase separators, flash drums, knock-out drums, decanters, degassers, and condenser(s) including...
Product stewardship1. A product-centered approach to environmental protection that calls on those in the product life cycle...
Product storage sectionEquipment that is designed to store the finished polymer or resin end product of the particular facility. For...
Product systemIn life cycle assessment, the entire set of processes (unit operations) undergone by a product from...
Product tankAs used in the wastewater provisions, means a stationary unit that is designed to contain an accumulation of...
Product tank drawdownMaterial or mixture of materials discharged from a product tank for the purpose of removing water or other...
Product testingOperations such as dye penetrant testing, hydrotesting, and ultrasonic testing.
Product transfer document1. Copies of documents represented by the refiner/importer/oxygenate blender as having been provided to the...
Product useProducts categorized by the general use of the product
Product water1. Water that has passed through a water treatment plant. All the treatment processes are completed or...
Production1. Manufacture of a controlled substance from any raw material or feedstock chemical, but does not...
Production allowance1. Privileges granted by this subpart to produce controlled substances; however, production allowances may be...
Production areaArea in which the oxidation towers, loading facilities, and all buildings that house product processes are...
Production area of an AFOThat part of an animal feeding operation that includes the animal confinement area, the manure storage area...
Production change1. Changes in nonroad engine configuration, equipment, or calibration which are made by an OEM or ICI in the...
Production environmentThe EIS area in which data will be stored that have been officially submitted to the EIS.
Production equipment1. Any mechanical device commonly known as equipment, including vehicles. If the equipment has an installed...
Production facilityActivities and equipment associated with the production of renewable fuel, biogas, treated biogas, RNG, or a...
Production field facilityFacilities located prior to the point of custody transfer.
Production genetic materialBoth: Genetic material that encodes a substance or leads to the production of a substance; and regulatory...
Production line1. All affected facilities (crushers, grinding mills, screening operations, bucket elevators, belt conveyors...
Production lotPanels produced from the beginning of production of a product type until the first quality control test...
Production non-complying lotAny lot of composite wood product represented by a quarterly test value or quality control test result that...
Production normalizing massFor each core or ancillary operation, the mass (off-kkg or off-lb) processed through that operation.
Production operationExtraction and separation of reservoir fluids from an oil and natural gas well, using separators and...
Production process changeAlterations in the existing manufacturing operation
Production ratioA production ratio is a ratio of reporting year production to prior year production. Calculate a production...
Production serial numberIdentification number assigned by the manufacturer to a specific production unit.
Production serverEPA uses a two tier segmentation of their servers. There are a set of staging servers and a set of...
Production startup1. Beginning of initial flow following the end of flowback when there is continuous recovery of salable...
Production tubingA well is usually produced through tubing inserted down the production casing. Oil and gas is produced more...
Production volume1. For a domestic manufacturer, the number of vehicle units domestically produced in a particular model year...
Production wellAny hole drilled in the earth from which crude oil, condensate, or field natural gas is extracted.
Production workerIn the Economic Census, this item includes all full-time and part-time employees on the payrolls of operating...
Production-based emission rateRatio of the amount of HAP emitted to the amount of BLR or WSR produced.
Production-based standard1. A discharge standard expressed in terms of pollutant mass allowed in a discharge per unit of product...
Production-based standards, see Production-based standard
Production-indexed hazardous air pollutant consumption factorResult of dividing the annual consumption of total HAP by the annual production rate, per process.
Production-indexed volatile organic compound consumption factorResult of dividing the annual consumption of total VOC by the annual production rate, per process.
Production-related waste1. The sum of a facility’s production-related onsite waste releases, onsite waste management (recycling...
Production-weighted averageManufacturer’s production-weighted average particulate emission level, for certification purposes, of all of...
Productivity1. The relationship between production of an output and one, some, or all of the resource inputs used in...
Productivity lossThe monetary value of output that would have been produced in the absence of an illness, disability, injury...
Products and plansProducts and Plans in the RAINE database are documents created by or for a community to aid in their...
Products of combustion stackStack (release point) installed on the front end of the firing zone of a tunnel kiln to release air used to...
Products of incomplete combustion1. Organic compounds formed by combustion. Usually generated in small amounts and sometimes toxic, PICs are...
Product-weighted reactivity limitMaximum allowed “product-weighted reactivity,” as calculated in § 59.505, of an aerosol coating product that...
Professional liability insuranceInsurance coverage for liability arising out of the performance of professional or business duties related to...
Professional marketSales of pesticides for application to industrial/commercial/governmental sectors, homes and gardens by...
Professional practicesConducting oneself with the qualities that are characterized by skill, competence, ethics, and courtesy...
Professional workerMost jobs in this category require bachelor and graduate degrees, and/or professional certification. In some...
Proficiency testA type of assessment in which a sample, the composition of which is unknown to the analyst, is provided to...
Profile1. A drawing showing elevation plotted against distance, such as the vertical section or side view of a...
Profile likelihood1. A plot of the likelihood function versus the estimated value of a parameter.
ProfilingIn geophysics, a survey method whereby an array of sensors is moved along the Earth's surface without change...
Profit1. The net proceeds obtained by deducting all allowable costs (direct and indirect) from the price. (Because...
ProgesteroneThe major progestational steroid that is secreted primarily by the corpus luteum and the placenta...
Progesterone receptorA protein found inside the cells of the female reproductive tissue, some other types of tissue, and some...
Program1. Any activity, project, function, or policy that has an identifiable purpose or set of objectives.
Program activitiesActivities, services, or functions carried out by the program (i.e., what the program does).
Program administrator cost testEvaluates the impacts of efficiency initiatives on the administrator or energy system.
Program analysisThe analysis of options in relation to goals and objectives, strategies, procedures, and resources by...
Program assessmentStudies designed to assess the efficacy of programs. They may include the evaluation of cost-effectiveness...
Program Assessment Rating Tool (PART)A review of a program to helps identify the program's strengths and weaknesses to inform funding and...
Program baselineLevel of emissions, or emission-related parameter(s), for each affected source or group of affected sources...
Program descriptionA document submitted as part of the state's authorization application package which explains the program the...
Program directiveAny formal written statement by the Administrator, the Deputy Administrator, the Assistant Administrator, a...
Program effectiveness evaluationThe application of scientific research methods to estimate how much observed results, intended or not, are...
Program elementOne of the major groupings of outputs of a Continuing Environmental Program (e.g., administration...
Program evaluation1. Program Evaluation involves the analysis of internal and external program effectiveness and the...
Program evaluation methodology(Methodology for) evaluations (which) are systematic, objective studies conducted periodically or on an ad...
Program failureA program shortcoming in which the outcome criteria are not affected by participation of the subjects in the...
Program implementation objectiveWhat is planned to be done in the program, components, or services.
Program income1. Gross income earned by the recipient that is directly generated by a supported activity or earned as a...
Program justificationThe narrative and related analyses and statistical presentations supporting a program budget request. It...
Program management planEstablishes the overall approach to managing the program. Describes the program, deliverables, related...
Program managerAn official responsible for overseeing an agency function, especially a unique function rather than a...
Program modelA flowchart or model which identifies the objectives and goals of a program, as well as their relationship to...
Program monitoringProgram Monitoring involves the data gathering activities required to determine the effectiveness of internal...
Program officeThe Headquarters Program Office, Lab or Regional Program Office responsible for managing the technical or...
Program planning / designActivities relating to the planning and design of Agency programs.
Program potentialThe efficiency potential possible given specific program funding levels and designs.
Program recordsThose records created by each Federal agency in performing the unique functions that stem from the...
Program reportInformation reported by NPDES-regulated entities and listed in Table 1 of appendix A to this part (except...
Program system codeThe abbreviation or acronym of an S/L/T Agency or other data system that is associated with an Agency or...
Program theoryThe set of assumptions about the manner in which the program relates to the social benefits it is expected to...
Program uncertainty factorFactor applied to discount the amount of emissions reductions credited in an implementation plan...
Programmed cell deathA normal series of events in a cell that leads to its death.
Programming codeResource that registers or contains reusable code, whether pieces of code, libraries, or code of complete...
Programs (computer)Instructions, written in the syntax of a computer language, that provide the computer with a step-by-step...
Progress incrementSteps to achieve compliance which must be taken by an owner or operator of a designated facility...
Prohibit specificationTo prevent the designation of an area as a present or future disposal site.
Prohibited constituentThe constituent shall be absent in any discharge subject to these standards, as determined by any analytical...
Prohibited wastesWastes that have to meet their treatment standards before land disposal.
Project1. An organized undertaking or specified unit of investigation involving environmentally related measurements.
Project / competitive grantsProject/Competitive Grants involves the funding, for fixed or known periods, of projects. Project/Competitive...
Project costsAll allowable costs, as set forth in the applicable Federal cost principles, incurred by a recipient and the...
Project future-year inventoryAn algorithm to develop a control strategy that applies control programs to sources, as would be needed to...
Project grantsThe funding, for fixed or known periods, of specific projects or the delivery of specific services or...
Project inventoryThe list of active projects which is part of project management.
Project manager1. The researcher, business officer, or other person authorized and designated by the recipient to serve as...
Project obligationAny note, bond, debenture, or other debt obligation issued by an obligor in connection with the financing of...
Project officer1. The EPA official designated in the assistance agreement, interagency agreement, or contract as EPA's...
Project period1. The period established in the award document during which Federal sponsorship begins and ends.
Project phaseNew development or redevelopment of buildings or other real estate improvements on a contiguous site, which...
Project planningActivities to create and maintain plans for specific projects and initiatives to ensure proper deployment of...
Project proponentApplicant for a Federal license or permit, or the entity seeking certification.
Project reportMost EPA research is documented and made available to the research community in a project report.
Project sponsorApplicant for WIFIA assistance or an obligor, as appropriate.
Project XLAn EPA initiative to give states and the regulated community the flexibility to develop comprehensive...
Projected emission creditEmission credits based on the projected applicable production/sales volume of the engine family.
Projected land useProjected or likely uses of land, often used in modeling exercises
ProjectionA mathematical model that transforms the locations of features on the Earth's surface to locations on a...
Prokaryote1. Cell or organism lacking a membrane-bound, structurally discrete nucleus and other subcellular...
Prokaryotic cellCells lacking a nuclear membrane so that the nuclear material is either scattered in the cytoplasm or...
Prokaryotic inclusion bodyA generic term for any circumscribed mass of foreign (e.g., lead or viruses) or metabolically inactive...
Prokaryotic plasma membraneThe lipid- and protein-containing, selectively permeable membrane that surrounds the cytoplasm in prokaryotic...
ProlactinA hormone that is made by the pituitary gland (a pea-sized organ in the center of the brain). Prolactin...
ProlineA cyclic, nonessential amino acid (actually, an imino acid) in humans (synthesized from glutamic acid and...
PrometaphaseA phase of mitosis occurring between prophase and metaphase. During this phase the nuclear envelope...
Promote energy efficient productsIncludes activities to encourage the profitable use of energy-efficient products and technologies in the...
PromoterAn agent that is not carcinogenic itself, but when administered after an initiator of carcinogenesis...
Promoter agentAgent that is not carcinogenic itself, but when administered after an initiator of carcinogenesis, stimulates...
Promotional printed materialAny informational or advertising material (including, but not limited to, written advertisements, brochures...
Promotional productA tangible product (of some intrinsic material value) which is also a communications medium, bearing a...
Prompt scrap metalScrap metal as generated by the metal working/fabrication industries and includes such scrap metal as...
PromulgationThe formal proclamation or the declaration that a new statutory or administrative law is enacted after its...
Proof press1. Any device used only to check the quality of the image formation of newly engraved or etched gravure...
PropAn item that is used by someone appearing in an audiovisual production (e.g., an umbrella, a coffee cup)...
Prop rootAn adventitious root that grows from and supports the trunk above the ground in plants, such as mangroves.
Propagated outbreakAn outbreak that spreads from person to person rather than from a common source.
Propane1. A colorless gas derived from petroleum and natural gas, with the molecular structure C3H8.
Propellant1. Liquid in a self-pressurized pesticide product that expels the active ingredient from its container.
Propellant plantAny facility engaged in the mixing, casting, or machining of propellant.
Propeller engineAn engine that causes the propeller which is a device that consists of blades (shaped like airfoils) that...
Proper equipment useUsing equipment in conformity with the regulations set forth in this subpart, including but not limited to...
Proper maintenance and use instructionThose maintenance and operation instructions specified in the warranty as being necessary to assure...
Properly measured destruction efficiencyDestruction or removal efficiencies measured in accordance with EPA 430-R-10-003 (incorporated by reference...
Properly measured removal efficiencyDestruction or removal efficiencies measured in accordance with EPA 430-R-10-003 (incorporated by reference...
Properly using servicing equipment1. Using equipment in conformity with the regulations set forth in this subpart, including but not limited to...
PropertyUnless otherwise stated, real property, equipment, intangible property and debt instruments.
Property assessed clean energyAllows private property owners to pay for energy efficiency and renewable energy improvements through a...
Property damage1. Physical injury to or destruction of tangible property, including the personal property of third parties.
Property insuranceProperty insurance indemnifies an insured whose property is stolen, damaged, or destroyed by a covered peril.
Property rightsThe sum total of the rights pertaining to property ownership. In the case of real property it embraces the...
Property titleValid claim to property that denotes ownership and the rights of ownership, including the rights of...
Property value change modelRepresentation of processes that change property values.
Property-owning groupThe group of individuals who own homes, land, or other property.
ProphaseThe first phase of mitosis, in which the chromosomes become visible, the nucleus starts to lose its identity...
Proportional samplingSampling at a rate that produces a constant ratio of sampling rate to stack gas flow rate.
Proportionate mortality ratio1. The proportion of deaths due to the disease of interest in the exposed population divided by the...
Proposal developmentProposal Development involves drafting proposed legislation that creates or amends laws subject to...
Proposal to National Priorities ListSites are proposed to the NPL through the issuance of a proposed rule in the Federal Register. EPA accepts...
Proposal to the NPLSites are proposed to the NPL through the issuance of a proposed rule in the Federal Register. EPA accepts...
Propose to manufacture import or processThat a person has made a firm management decision to commit financial resources for the manufacture, import...
Proposed acid rain permitIn the case of a State operating permit program, the version of an Acid Rain permit that the permitting...
Proposed permit1. A state NPDES permit prepared after the close of the public comment period (and when applicable, any...
Proposed plan1. A plan for a site cleanup that is available to the public for comment.
PropoxypheneA narcotic analgesic structurally related to methadone. Only the dextro-isomer has an analgesic effect; the...
ProppantA granular substance (sand grains, aluminum pellets, or other material) that is carried in suspension by the...
Proppant/Propping AgentA granular substance (sand grains, aluminum pellets, or other material) that is carried in suspension by the...
Propping agentA granular substance (sand grains, aluminum pellets, or other material) that is carried in suspension by the...
ProprietaryInformation that if released could cause potential harm to a business or organization, this includes trade...
Proprietary controlTools based on private property law used to restrict or affect the use of property.
Proprietary controls, see Proprietary control
Proprietary informationInformation owned by a business organization.
Proprietary researchresearch that a private company owns and keeps secret.
Propulsion marine diesel engineMarine diesel engine that is intended to move a vessel through the water or direct the movement of a vessel.
Propulsion marine engineMarine engine that moves a vessel through the water or directs the vessel's movement.
PropyleneOlefinic hydrocarbon with molecular formula C3H6.
Prospecting1. The search for outcrops or surface exposures of mineral deposits. Searching for new deposits; also...
Prospective case study1. A study of sites where hydraulic fracturing will occur after the research is initiated. These case studies...
Prospective cohort studyStudy where participants are enrolled as the study begins and are then followed prospectively over time to...
Prospective purchaser agreementA legal agreement that protects the prospective buyer of a hazardous waste site from the liability associated...
Prospective purchaser agreement assessmentEPA reviews a formal request for a Prospective Purchaser Agreement (PPA), resulting in a decision to grant or...
Prospective risk assessment1. An evaluation of the future risks of a stressor(s) not yet released into the environment or of future...
Prospective study1. An epidemiological study which examines the development of disease in a group of persons determined to be...
Prostaglandin activity inductionThrough increased production or release, or inhibited degradation, Prostaglandin Activity Induction involves...
Prostaglandin activity inhibitionThrough decreased production or release, or enhanced degradation, Prostaglandin Activity Inhibition involves...
Prostaglandin degradationProstaglandin Degradation consists of conjugation, transport, and/or oxidation of compounds derived primarily...
Prostaglandin productionProstaglandin Production consists of synthesis of compounds derived primarily from arachidonic acid...
Prostaglandin receptor bindingA process that involves the binding of a prostaglandin to a prostaglandin receptor. These interactions are...
Prostate gland1. The walnut shaped accessory sex gland of the male reproductive system. It is located in the pelvis just...
ProteasesAny of numerous enzymes that hydrolyze proteins and are classified according to the most prominent functional...
Proteasome bindingProteasome Binding involves temporary non-covalent interaction through intermolecular physical forces of...
Proteasome function inhibitionProteasome Inhibition involves interference with, or restraint of, the activities of macromolecular...
Protect human health and the environmentProtecting human health and the environment is the mandate from the RCRA statute and regulations, as well as...
Protect stratospheric ozoneIncludes activities that support regulatory programs to restore the ozone layer, and related voluntary...
Protected areas: refers to the Protected Areas Database (PAD-US)A national inventory of U.S. terrestrial and marine protected areas that are dedicated to the preservation of...
Protected dataData that have been subjected to a high level of quality assurance by EPA and that cannot be changed by an...
Protected floraPlants or plant communities which have federal or local legal protection from disturbances.
Protected productsFoods that have an outer protective coating that is typically removed before consumption.
Protected wildlife species1. Species of wild-living animal that it is unlawful to harm.
Protection1. Safeguarding of valued habitats or resources from harmful activities.
Protection approachA strategic set of steps followed over many years by a water quality program and its partners, intended to...
Protection of vulnerable populationsSheltering and guarding of persons who may be in harms way physical or emotionally due to environment or...
Protection-deprotection reactionUsed in chemical syntheses to temporarily block a reactive site (functional group) by adding a protecting...
ProtectiveA protectiveness determination of "protective" typically is used when the FYR report provides sufficient data...
Protective action guideA protective action guide suggests precautions that state and local authorities may take to protect people...
Protective agentSynthetic or natural substances which are given to prevent a disease or disorder or are used in the process...
Protective equipmentClothing or any other materials or devices that shield against unintended exposure to pesticides.
Protective face maskBarrier device that covers the nose and mouth, used in infection control.
Protective findingDetermination by EPA that a submitted control strategy implementation plan revision contains adopted control...
Protective immunityState of specific resistance to infection and infectious disease resulting from prior exposure to a pathogen...
Protective oilOrganic material that is applied to metal for the purpose of providing lubrication or protection from...
Protective order - basicInformation defined in a court order (issued by a judge) that is exempt from disclosure outside of the case.
Protective statusSee definitions for Not Protective, Protectiveness Status Undetermined, Protectiveness Deferred, Will Be...
Protectiveness deferredThis protectiveness determination generally is used when the available information in the FYR report does not...
Protectiveness status undeterminedThis status category means that a FYR has not yet been conducted for the site and, therefore, a...
Protein acetylationThe covalent chemical or post-translational biochemical addition of an acetyl group(s) to a peptide or...
Protein bindingThe process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein...
Protein cleavageProtein Cleavage involves hydrolysis by proteolytic enzymes of specific peptide bond(s), forming smaller...
Protein conformationThe characteristic 3-dimensional shape of a protein, including the secondary, supersecondary (motifs)...
Protein degradation inductionProtein Degradation Induction involves initiation of specific degradation of a protein - involving...
Protein degradation inhibitionProtein Degradation Inhibition involves interference with, or restraint of, specific degradation of a protein...
Protein degradation processSpecific degradation of a protein - involving conjugation, transport, oxidation, and proteolysis - involved...
Protein dephosphorylationThe covalent chemical or post-translational biochemical removal of a phosphate group(s) from a peptide or...
Protein dimerizationProtein dimerization is the process by which two protein molecules of similar, or dissimilar, chemical...
Protein expression1. The biosynthesis of new (often sets of distinct, functionally related) protein products, usually involving...
Protein folding1. The change in structure whereby a polypeptide assumes its functional shape or conformation. This is a...
Protein functional assayMeasurement of the rate of a chemical reaction that takes place in the presence of an enzyme contained in a...
Protein glycosylationThe covalent chemical or post-translational biochemical addition of carbohydrate or glycosyl groups to...
Protein importProtein Import involves active cellular mechanisms that directly promote the transport of a protein across...
Protein kinase interactionProtein Kinase Interaction involves temporary non-covalent binding through intermolecular physical forces of...
Protein kinase receptor bindingA process that involves the binding of a cognate ligand to a transmembrane receptor. These interactions are...
Protein maturationAny process leading to the attainment of the full functional capacity of a protein.(Gene Ontology, 2014_05_19)
Protein metabolismBiosynthesis and catabolism of proteins and their subunits
Protein metabolism processBiosynthesis and catabolism of proteins and their subunits.
Protein methylationPost-translational enzymatic covalent addition of a methyl group(s) to a peptide or protein.
Protein overexpression1. Synthesis of excess polypeptide within the cell. Overexpression is often due to the amplification or...

2,670 of 29,894 terms in Environment terminology (MLC-0121). Request the full dataset.