78 relations: Alkalinity, Aluminium, Ammonia, Ammonium, Ammonium lauryl sulfate, Antimony, Arsenic, Barium, Benzopyrene, Bicarbonate, Boron, Cadmium, Calcium, Carbon tetrachloride, Celsius, Chloride, Chloroform, Chromium, Clean Water Act, Coliform bacteria, Copper, Cyanide, Drinking water, Drinking water quality standards, Electrical resistivity and conductivity, Emulsion, England and Wales, Fecal coliform, Fluoride, Hard water, Hydrocarbon, Hydrogen ion, Hydrogen sulfide, Iron, Kilogram, Kjeldahl method, Lead, List of Statutory Instruments of the United Kingdom, 1989, Litre, Magnesium, Manganese, Mercury (element), Michael Howard, Microgram, Nickel, Nitrate, Nitrite, Odor, Pesticide, Peter Walker, Baron Walker of Worcester, ..., Petroleum ether, PH, Phenol, Phosphorus, Polycyclic aromatic hydrocarbon, Potassium, Pt/Co scale, Secretary of State for Wales, Selenium, Silver, Sodium, Solvation, Statutory instrument, Sulfate, Surfactant, Taste, Temperature, Tetrachloroethylene, Total organic carbon, Trichloroethylene, Turbidity, Water industry, Water privatization, Water purification, Water quality, Water softening, Water treatment, Zinc. Expand index (28 more) »
Alkalinity
Alkalinity is the capacity of water to resist changes in pH that would make the water more acidic.
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Aluminium
Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.
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Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Ammonium
The ammonium cation is a positively charged polyatomic ion with the chemical formula.
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Ammonium lauryl sulfate
Ammonium lauryl sulfate (ALS) is the common name for ammonium dodecyl sulfate (CH3(CH2)10CH2OSO3NH4).
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Antimony
Antimony is a chemical element with symbol Sb (from stibium) and atomic number 51.
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Arsenic
Arsenic is a chemical element with symbol As and atomic number 33.
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Barium
Barium is a chemical element with symbol Ba and atomic number 56.
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Benzopyrene
A benzopyrene is an organic compound with the formula C20H12.
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Bicarbonate
In inorganic chemistry, bicarbonate (IUPAC-recommended nomenclature: hydrogencarbonate) is an intermediate form in the deprotonation of carbonic acid.
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Boron
Boron is a chemical element with symbol B and atomic number 5.
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Cadmium
Cadmium is a chemical element with symbol Cd and atomic number 48.
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Calcium
Calcium is a chemical element with symbol Ca and atomic number 20.
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Carbon tetrachloride
Carbon tetrachloride, also known by many other names (the most notable being tetrachloromethane, also recognized by the IUPAC, carbon tet in the cleaning industry, Halon-104 in firefighting, and Refrigerant-10 in HVACR) is an organic compound with the chemical formula CCl4.
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Celsius
The Celsius scale, previously known as the centigrade scale, is a temperature scale used by the International System of Units (SI).
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Chloride
The chloride ion is the anion (negatively charged ion) Cl−.
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Chloroform
Chloroform, or trichloromethane, is an organic compound with formula CHCl3.
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Chromium
Chromium is a chemical element with symbol Cr and atomic number 24.
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Clean Water Act
The Clean Water Act (CWA) is the primary federal law in the United States governing water pollution.
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Coliform bacteria
Coliform bacteria are defined as rod-shaped Gram-negative non-spore forming and motile or non-motile bacteria which can ferment lactose with the production of acid and gas when incubated at 35–37°C.
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Copper
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
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Cyanide
A cyanide is a chemical compound that contains the group C≡N.
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Drinking water
Drinking water, also known as potable water, is water that is safe to drink or to use for food preparation.
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Drinking water quality standards
Drinking water quality standards describes the quality parameters set for drinking water.
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Electrical resistivity and conductivity
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.
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Emulsion
An emulsion is a mixture of two or more liquids that are normally immiscible (unmixable or unblendable).
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England and Wales
England and Wales is a legal jurisdiction covering England and Wales, two of the four countries of the United Kingdom.
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Fecal coliform
A fecal coliform (British: faecal coliform) is a facultatively anaerobic, rod-shaped, gram-negative, non-sporulating bacterium.
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Fluoride
Fluoride.
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Hard water
Hard water is water that has high mineral content (in contrast with "soft water").
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Hydrocarbon
In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.
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Hydrogen ion
A hydrogen ion is created when a hydrogen atom loses or gains an electron.
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Hydrogen sulfide
Hydrogen sulfide is the chemical compound with the chemical formula H2S.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Kilogram
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.
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Kjeldahl method
The Kjeldahl method or Kjeldahl digestion in analytical chemistry is a method for the quantitative determination of nitrogen contained in organic substances plus the nitrogen contained in the inorganic compounds ammonia and ammonium (NH3/NH4+).
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Lead
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
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List of Statutory Instruments of the United Kingdom, 1989
This is a complete list of all 1534 Statutory Instruments published in the United Kingdom in the year 1989.
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Litre
The litre (SI spelling) or liter (American spelling) (symbols L or l, sometimes abbreviated ltr) is an SI accepted metric system unit of volume equal to 1 cubic decimetre (dm3), 1,000 cubic centimetres (cm3) or 1/1,000 cubic metre. A cubic decimetre (or litre) occupies a volume of 10 cm×10 cm×10 cm (see figure) and is thus equal to one-thousandth of a cubic metre. The original French metric system used the litre as a base unit. The word litre is derived from an older French unit, the litron, whose name came from Greek — where it was a unit of weight, not volume — via Latin, and which equalled approximately 0.831 litres. The litre was also used in several subsequent versions of the metric system and is accepted for use with the SI,, p. 124. ("Days" and "hours" are examples of other non-SI units that SI accepts.) although not an SI unit — the SI unit of volume is the cubic metre (m3). The spelling used by the International Bureau of Weights and Measures is "litre", a spelling which is shared by almost all English-speaking countries. The spelling "liter" is predominantly used in American English. One litre of liquid water has a mass of almost exactly one kilogram, because the kilogram was originally defined in 1795 as the mass of one cubic decimetre of water at the temperature of melting ice. Subsequent redefinitions of the metre and kilogram mean that this relationship is no longer exact.
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Magnesium
Magnesium is a chemical element with symbol Mg and atomic number 12.
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Manganese
Manganese is a chemical element with symbol Mn and atomic number 25.
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Mercury (element)
Mercury is a chemical element with symbol Hg and atomic number 80.
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Michael Howard
Michael Howard, Baron Howard of Lympne, (born 7 July 1941), is a British politician who served as the Leader of the Conservative Party and Leader of the Opposition from November 2003 to December 2005.
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Microgram
In the metric system, a microgram or microgramme (μg; the recommended symbol in the United States when communicating medical information is mcg) is a unit of mass equal to one millionth of a gram.
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Nickel
Nickel is a chemical element with symbol Ni and atomic number 28.
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Nitrate
Nitrate is a polyatomic ion with the molecular formula and a molecular mass of 62.0049 u.
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Nitrite
The nitrite ion, which has the chemical formula, is a symmetric anion with equal N–O bond lengths.
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Odor
An odor, odour or fragrance is always caused by one or more volatilized chemical compounds.
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Pesticide
Pesticides are substances that are meant to control pests, including weeds.
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Peter Walker, Baron Walker of Worcester
Peter Edward Walker, Baron Walker of Worcester, (25 March 1932 – 23 June 2010) was a British politician.
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Petroleum ether
Petroleum ether is the petroleum fraction consisting of aliphatic hydrocarbons and boiling in the range 35‒60 °C; commonly used as a laboratory solvent. Despite the name, petroleum ether is not classified as an ether; the term is used only figuratively, signifying extreme lightness and volatility.
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PH
In chemistry, pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution.
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Phenol
Phenol, also known as phenolic acid, is an aromatic organic compound with the molecular formula C6H5OH.
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Phosphorus
Phosphorus is a chemical element with symbol P and atomic number 15.
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Polycyclic aromatic hydrocarbon
Polycyclic aromatic hydrocarbons (PAHs, also polyaromatic hydrocarbons or polynuclear aromatic hydrocarbons) are hydrocarbons—organic compounds containing only carbon and hydrogen—that are composed of multiple aromatic rings (organic rings in which the electrons are delocalized).
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Potassium
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
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Pt/Co scale
The Platinum-Cobalt Scale (Pt/Co scale or Apha-Hazen Scale) is a color scale that was introduced in 1892 by chemist Allen Hazen (1869–1930).
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Secretary of State for Wales
Her Majesty's Principal Secretary of State for Wales (Ysgrifennydd Gwladol Cymru) is the principal minister of Her Majesty's Government in the United Kingdom with responsibilities for Wales.
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Selenium
Selenium is a chemical element with symbol Se and atomic number 34.
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Silver
Silver is a chemical element with symbol Ag (from the Latin argentum, derived from the Proto-Indo-European ''h₂erǵ'': "shiny" or "white") and atomic number 47.
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Sodium
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
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Solvation
Solvation describes the interaction of solvent with dissolved molecules.
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Statutory instrument
In many countries, a statutory instrument is a form of delegated legislation.
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Sulfate
The sulfate or sulphate (see spelling differences) ion is a polyatomic anion with the empirical formula.
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Surfactant
Surfactants are compounds that lower the surface tension (or interfacial tension) between two liquids, between a gas and a liquid, or between a liquid and a solid.
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Taste
Taste, gustatory perception, or gustation is one of the five traditional senses that belongs to the gustatory system.
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Temperature
Temperature is a physical quantity expressing hot and cold.
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Tetrachloroethylene
Tetrachloroethylene, also known under the systematic name tetrachloroethene, or perchloroethylene ("perc" or "PERC"), and many other names, is a chlorocarbon with the formula Cl2C.
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Total organic carbon
Total organic carbon (TOC) is the amount of carbon found in an organic compound and is often used as a non-specific indicator of water quality or cleanliness of pharmaceutical manufacturing equipment.
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Trichloroethylene
The chemical compound trichloroethylene is a halocarbon commonly used as an industrial solvent.
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Turbidity
Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.
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Water industry
The water industry provides drinking water and wastewater services (including sewage treatment) to residential, commercial, and industrial sectors of the economy.
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Water privatization
Water privatization is used here as a shorthand for private sector participation in the provision of water services and sanitation.
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Water purification
Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids and gases from water.
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Water quality
Water quality refers to the chemical, physical, biological, and radiological characteristics of water.
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Water softening
Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water.
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Water treatment
Water treatment is any process that improves the quality of water to make it more acceptable for a specific end-use.
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Zinc
Zinc is a chemical element with symbol Zn and atomic number 30.
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Redirects here:
Substances that affect wholesomeness, Water Supply (Water Quality) Regulations 1989, Water Supply (Water Quality) Regulations 1989 S.I. 1989, Wholesomeness.
References
[1] https://en.wikipedia.org/wiki/Water_Supply_(Water_Quality)_Regulations_1989_(England_and_Wales)