Glossary & Terminology

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SOC

Synthetic organic chemical.

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Softness

The quality of water, desirable for efficient cleaning and minimal corrosion, that results from very low amounts of calcium and magnesium in the water.

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Teratogen

A substance that causes or contributes to birth defects by interrupting or altering the normal development of the fetus.

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TCE

Trichloroethylene, or TCE, is a colorless solvent with a slightly sweet odor. TCE is used primarily in industrial processes to remove grease from metal parts. Some household and consumer products – such as correction fluid, paint removers, parts cleaners, adhesives, and spot removers — may also contain TCE. Because it was so widely used, it is one of the more common man-made chemicals found in the environment.

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TDS

Total Dissolved Solids. The standard measure of minerals dissolved in water.

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TFC

Thin Film Composite membrane. A type of membrane used in reverse osmosis.

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THM

Trihalomethane. A type of toxic chemical commonly formed when organic chemicals in water combine with chlorine. Technically it is a methane derived compound that contains thee halogen atoms. Especially formed during the chlorination of water.

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Turbidity

A measure of the opacity, or cloudiness of water that is caused by particulates.

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Ultraviolet disinfection (UV)

A process by which intense ultraviolet light is used to kill bacteria and other micro organisms.

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VOC

Volatile Organic Chemical. A class of chemicals that evaporate easily and which can be absorbed through the skin.

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