quality control

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Quality Control

The processes a company or organization uses to test products to ensure that they are not defective. Quality control operatives may investigate the procedures used to make a product, the knowledge of employees or even intangibles like company morale. Quality control is distinguished from quality assurance in that quality control tests for errors while quality assurance seeks to put in place systems to ensure that the errors do not happen in the first place. See also: Quality.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved

quality control

the task of ensuring that the QUALITY of a product or service meets specified performance criteria. Quality control involves a number of activities, in particular:
  1. interpretation of PRODUCT SPECIFICATIONS;
  2. INSPECTION of products at each stage of production, including SAMPLING procedures to select items for testing and the use of testing equipment to check the performance of components or products and detect those that are defective. The results of such tests enable production operations to be modified quickly, for example by changing machine settings, to prevent further defectives being made and thereby saving on rectification costs or the later processing costs of items which would eventually have to be scrapped;
  3. cooperation with design, marketing, production and research and development over improvements in product quality;
  4. undertaking periodic quality audits to review the effectiveness of quality control procedures. See TOTAL QUALITY MANAGEMENT, PRODUCTION CONTROL, QUALITY ASSURANCE, FISHBONE CHART, QUALITY CIRCLE, SCRAP, CONTROL CHART, FAILURE COSTS, NORMAL CURVE, SAMPLING, ACCEPTANCE SAMPLING, CONTROL COSTS, LOT TOLERANCE PERCENTAGE DEFECTIVE, QUALITY FUNCTION DEPLOYMENT, QUALITY LOSS FUNCTION.
Collins Dictionary of Business, 3rd ed. © 2002, 2005 C Pass, B Lowes, A Pendleton, L Chadwick, D O’Reilly and M Afferson

quality control

a discipline concerned with improving the QUALITY of goods and services produced. The object of quality control is to prevent faulty components or finished goods from being produced, and it uses a variety of devices to help achieve this aim. Techniques of statistical sampling and testing can be used to identify faulty materials and products. Statistical variability limits can be used to ensure, for example, that machines are continuing to hold their tolerances in producing goods. QUALITY CIRCLES can be employed to involve work-groups in the task of quality assurance by generating discussion about the cause of quality problems and how workers themselves can deal with such problems. See also PRODUCTIVITY, PRODUCT PERFORMANCE, PRODUCT DIFFERENTIATION.
Collins Dictionary of Economics, 4th ed. © C. Pass, B. Lowes, L. Davies 2005
References in periodicals archive ?
These views were said by Pir Buksh Jamali Director General Pakistan Quality Standard & Control Authority (PSQCA) in the Distribution Ceremony of 3rd Quality Standard Award 2012" in a local hotel Karachi.
Mr Chris Davis, coastal pollution officer for the Marine Conservation Society (MCS), said: "We continue to be ext-remely concerned about the number of beaches failing even the most basic of water quality standards in the North of England and Scotland.
Under the Clean Air Act, EPA established air quality standards for six criteria air pollutants (ozone, carbon monoxide, nitrogen dioxide, sulfur dioxide, particulate matter and lead) and is directed to review the standards every five years.
"Not one of us had to change." However, processors should not assume that all equipment on the market meets these minimum quality standards, he adds.
Suppliers who are verified as meeting QS-9000 requirements are also in compliance with the applicable ISO 9000 international quality standard.
It would set basin-wide quality standards that reduce or eliminate the release of certain toxics into the Great Lakes.
Summary: New Delhi, [India] April 10 (ANI/NewsVoir): Rajesh Kumar, Director, Brand Liaison, India's one of the leading compliance services provider has said that the service industry in India immediately requires quality standards and there is a requirement for the government to act fast to realise the complete potential of the Champion Service Sectors (CSS).
Concentration of all three parameters namely NO2, SO2 and Particulate Matter of size less than 2.5 microns (PM2.5) are below the permissible limits of National Environmental Quality Standards (NEQS).'
According to Environmental Protection Agency (EPA) on Tuesday, air quality data recorded revealed that all the parameters were below the permissible limits of National Environmental Quality Standards (NEQS).

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