Environment terminology · MLC-0121

Environment terms: Q (123)

• QA cubic function of exposure duration and time since first exposure.
• Q1*The Carcinogenic Potential of a Compound, Quantified by the EPA's Cancer Risk Model
• QSAR-Based Expert System for Predicting Estrogenic ActivitySet of expert rules that were developed by EPA's Office of Research and Development to predict the potential...
• QuadQuad stands for quadrillion, which is, 10^15.
• Quadratic Discriminant AnalysisType of discriminant analysis in which the variables may appear to the second power.
• Quadratic TermA quantity in a mathematical formula that is raised to the second power (squared).
• QuadratureThat part of a periodic signal that is 90 degrees out of phase with a reference signal. See also in-phase.
• Qualified Energy AssessorSomeone who has demonstrated capabilities to evaluate energy savings opportunities for steam generation and...
• Qualified ExpertOne who, by virtue of his or her knowledge, skill, experience, training, or education, could be qualified by...
• Qualified Ground-Water Scientist1. Individual with a baccalaureate or post-graduate degree in the natural sciences or engineering who has...
• Qualified Handicapped Person1. With respect to employment: A handicapped person who, with reasonable accommodation, can perform the...
• Qualified Incinerator1. An incinerator approved under the provisions of § 761.70. Any level of PCB concentration can be destroyed...
• Qualified Individual1. Individual who is identified by an AETB as meeting the requirements described in ASTM D 7036-04 “Standard...
• QualifierA code appended to an analytical result that indicates possible qualitative or quantitative uncertainty in...
• Qualifying Facility“Qualifying small power production facility” within the meaning of section 3(17)(C) of the Federal Power Act...
• Qualifying Phase I TechnologyTechnological system of continuous emission reduction that is demonstrated to achieve a ninety (90) percent...
• Qualifying Power Purchase CommitmentPower purchase commitment in effect as of November 15, 1990 without regard to changes to that commitment so...
• Qualifying Repowering Technology1. Replacement of an existing coal-fired boiler with one of the following clean coal technologies...
• QualitativeDescriptive of kind, type or direction, as opposed to size, magnitude or degree.
• Qualitative Analysis1. An analysis that ascertains the nature of the attributes, behavior, or opinions of the entity being...
• Qualitative AssessmentSome of the uncertainty in model predictions may arise from sources whose uncertainty cannot be quantified...
• Qualitative AssessmentsSome of the uncertainty in model predictions may arise from sources whose uncertainty cannot be quantified...
• Qualitative Data1. Information that is difficult to measure, count, or express in numerical terms.
• Qualitative Exposure Assessment MethodMethod of determining the level of exposure to a substance which provides an approximation to the amount of...
• Qualitative Model CorroborationQualitative model corroboration involves expert judgment and tests of intuitive behavior. This type of...
• Qualitative ResearchResearch involving detailed, verbal descriptions of characteristics, cases, and settings. Qualitative...
• qualitative risk assessment1. Risk assessment that is based on qualitative data or giving a qualitative result. The results are often...
• qualitative uncertainty estimateA detailed examination, using qualitative information, of the systematic and random errors of a measurement...
• Qualitative Use AssessmentReport summarizing the major uses of a pesticide including percentage of crop treated, and amount of...
• Quality1. A broad term that includes notions of integrity, utility, and objectivity.
• Quality assessment"The evaluation of environmental data to determine if they meet the quality criteria required for a specific...
• Quality Assurance1. Documentation designed to assure that proper sampling and/or analysis protocol are being followed.
• Quality Assurance Audit1. A systematic and independent examination to determine whether quality activities and related results...
• Quality Assurance AuditsA systematic and independent examination to determine whether quality activities and related results comply...
• Quality Assurance CoordinatorThe person who assists the QAO with implementation of the quality system. The QAC serves as the central point...
• Quality Assurance EnvironmentThe EIS area in which data are stored temporarily by a submitter for evaluation and checking prior to...
• Quality Assurance Manager1. The individual designated within the organization (e.g., the Office of Water) who has management oversight...
• QUALITY ASSURANCE NARRATIVE STATEMENTA description included in an application which explains how precision, accuracy, representativeness...
• Quality Assurance OfficerIn many organizations, this role is known as the QAM or QA Manager. In EPA, the QAO is the person who...
• Quality Assurance PlanList of elements that an independent third-party auditor will check to verify that the RINs generated by a...
• QUALITY ASSURANCE PROGRAM PLANA formal document which describes an orderly assembly of management policies, objectives, principles...
• Quality Assurance Project Plan1. A document describing in comprehensive detail the necessary quality assurance, quality control and other...
• quality assurance review formAn internal EPA form that describes QA requirements for contracts and documents the review and approval by...
• Quality Assurance Surveillance PlanA document that defines what the Government must do to ensure that a contractor has performed in accordance...
• Quality Assurance UnitAny person or organizational element, except the study director, designated by testing facility management to...
• Quality Assurance/Quality Control1. A system of procedures, checks, audits, and corrective actions to ensure that all technical, operational...
• Quality Control1. The implementation of protocols designed to assure that the final sampling or analytical results are...
• Quality Control ActivitySurface coating or paint stripping activities that meet all of the following criteria:(1) The activities...
• Quality Control Calibration Sample1. A solution containing the method analytes at a known concentration that are is obtained from a source...
• Quality Control Check SampleA sample containing all or a subset of the analytes at known concentrations. The QCS is obtained from a...
• Quality Control Check Sample (quality)A sample containing all or a subset of the analytes at known concentrations. The QCS is obtained from a...
• Quality Control Limit1. Value from the quality control method test that is the correlative equivalent to the applicable emission...
• Quality Control Sample1. An uncontaminated sample matrix spiked with known amounts of analytes from a source independent of the...
• Quality Control Sample (calibration)1. A solution containing the method analytes at a known concentration that are is obtained from a source...
• Quality Control Sample (quality)1. An uncontaminated sample matrix spiked with known amounts of analytes from a source independent from the...
• Quality Control Sample (quantitation limit)A sample made from standards or matrix and used to verify acceptability of the results for an analytical...
• Quality ImprovementA management program for improving the quality of operations. Such management programs generally entail a...
• Quality InformationCharacteristics of quality related to integrated modeling include coherence, transparency, and...
• Quality Management1. Activities to create and maintain the Agency's plan to ensure the quality of information and data required...
• Quality Management Plan1. A document that describes a quality system in terms of the organizational structure, policy and...
• Quality Management SystemA structured and documented management system describing the policies, objectives, principles, organizational...
• Quality Measurement ExperimentA special class of value-added product that regularly compares two or more data sets intended to understand...
• quality of life1. The level of enjoyment and fulfillment derived by humans from the life they live within their local...
• Quality of Life ImpactEffect on quality of life, but quality of life itself is a broad multidimensional concept that usually...
• quality programThe totality of management controls, processes, and documentation in EPA’s planning, implementation, and...
• Quality Renewable Identification NumberRIN verified by a registered independent third-party auditor using a QAP that has been approved under §...
• Quality System1. A structured and documented management system describing the policies, objectives, principles...
• Quality System DocumentationDocuments that describe the proficiency of a contractor, interagency agreement partner or financial...
• quality-adjusted life year1. A unit of health care outcomes that adjusts gains (or losses) in years of life subsequent to a health care...
• Quantal DataDichotomous (binomial) classification where an individual or animal is placed in one of two categories, e.g...
• Quantal EndpointA dichotomous measure of effect; each animal is scored "normal" or "affected" and the measure of effect is...
• Quantifiable Level2 micrograms per gram from any resolvable gas chromatographic peak, i.e. 2 ppm.
• Quantification LevelMeasurement of the concentration of a contaminant obtained by using a specified laboratory procedure...
• Quantification LimitThe lowest concentration of an analyte that meets all method-defined criteria for qualitative and...
• QuantifyTo attach numbers to an observation.
• Quantile1. The value of an attribute indexing a specified proportion of a population distribution or distribution...
• Quantile Regression1. A statistical technique used to estimate an exposure-response relationship when more than one agent may be...
• Quantitation versus QuantificationThese are considered equivalent and can be used interchangeably. Both are commonly used in the literature...
• QuantitativeDescriptive of size, magnitude or degree.
• Quantitative AccuracyDegree of measurement accuracy required to measure the concentration of an identified compound, within a...
• Quantitative Analysis1. An analysis that ascertains the magnitude, amount, or size, for example, of the attributes, behavior, or...
• Quantitative AssessmentThe uncertainty in some sources such as some model parameters and some input data can be estimated through...
• Quantitative AssessmentsThe uncertainty in some sources-such as some model parameters and some input data-can be estimated through...
• Quantitative Data1. Information that can be expressed in numerical terms, counted, or compared on a scale.
• Quantitative Exposure Assessment MethodMethod of determining the level of exposure to a substance which provides numerical values for the result...
• Quantitative MethodApproach to a measurement or calculation which yields a numerical result.
• Quantitative Model CorroborationWhen data are available, model corroboration may involve comparing model predictions to independent empirical...
• Quantitative PCRThe principles of QPCR are similar to those of conventional PCR techniques with the exception that in each...
• Quantitative ResearchResearch that examines phenomenon through the numerical representation of observations and statistical...
• quantitative risk assessment1. A risk assessment that provides numerical expressions of risk and indication of the attendant...
• Quantitative Structure Activity Relationship1. Mathematical relationship between a property (activity) of a chemical and a number of descriptors of the...
• Quantitative Structure Activity Relationship DatabaseData about chemicals which compile the links between the structures of the chemicals and their biological...
• Quantitative Structure-Toxicology RelationshipRelationship which attempts to correlate chemical structure with toxicology using statistical approaches.
• Quantum DotNanometer sized fragments of semiconductor crystalline material which emit photons. The wavelength is based...
• Quantum MechanicsThe field of physics that explains how extremely small objects simultaneously have the characteristics of...
• QuarantineRefers to separation of potentially exposed but well persons.
• Quarantine ApplicationWith respect to class I, Group VI controlled substances, are treatments to prevent the introduction...
• QuarryThe surface from which stone or mineral deposits are extracted
• QuarryingThe surface exploitation of stone or mineral deposits from the earth's crust. Removal of rock which has value...
• QuartileMedian of the bottom half of data (lower quartile), or of the top half of the data (upper quartile). That is...
• Quartile skew coefficientMeasure of the difference in the distances of the upper and lower quartiles (upper and lower 25 percent of...
• Quasi-experimental DesignA research design with some, but not all, of the characteristics of an experimental design. While comparison...
• Quasi-LikelihoodLikelihood function that is not totally defined and generally based on only an expression including the mean...
• Quaternary Ammonium ChlorideDerivatives of ammonium compounds, NH4+ Cl-, in which all four of the hydrogens bonded to nitrogen have been...
• Quaternary Ammonium CompoundsType of organic nitrogen compound in which the molecular structure includes a central nitrogen atom joined to...
• Queen InsectThe single reproductive female within a colony of social insects. The death of the queen insect usually means...
• Quench StationPortion of the metal coil surface coating operation where the coated metal coil is cooled, usually by a water...
• Quench TankA water-filled tank used to cool incinerator residues or hot materials during industrial processes.
• QuenchingProcess in which the hot calcined ore is cooled and quenched with water after it leaves the roaster.
• QueryA query is the information entered into a search field by the user that tells the computer what to search.
• Questionable Research PracticeResearch practices that are regarded by many as unethical but are not considered to be research misconduct...
• QuestionnaireResearch instrument that consists of statistically useful questions.
• Questionnaire/survey responseA "question and answer" data collection methodology conducted via in-person interview, mailed questionnaire...
• Quick-Dry EnamelNonflat coating that has the following characteristics:(1) Is capable of being applied directly from the...
• Quick-Dry Primer, Sealer, and UndercoaterPrimer, sealer, or undercoater that is dry to the touch in a 1/2 hour and can be recoated in 2 hours when...
• QuicklimeA material that is mostly calcium oxide (CaO) or calcium oxide in natural association with a lesser amount of...
• QuiescenceA state in which a seed or other plant part will not germinate or grow unless environmental conditions...
• QuinaprilQuinapril is a prodrug and non-sulfhydryl angiotensin converting enzyme (ACE) inhibitor with antihypertensive...
• Quinone MetabolismQuinone Metabolism consists of various biochemical reactions that convert quinones, conjugated aromatic...
• QuireSheets of paper making a pamphlet or booklet folded together in a single fold, but not bound or stitched.
• quorum sensingForm of communication between bacteria based on the use of signalling molecules that allows bacteria to...
• Quota SamplingA nonprobability stratified sampling procedure in which units are selected for the sample to adhere to...
• QuoteAn estimate of the cost of insurance supplied by the insurance company.

123 of 30,736 terms in Environment terminology (MLC-0121). Request the full dataset.