Glossary of Water and Wastewater Terms

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5 random terms from our glossary

Salt

A compound that, upon dissociation, yields cations (positively charged) of a metal, and anions (negatively charged) of an acid radical.

Cohesive (ko-HE-sive)

Sticking together; causing or characterized by cohesion.

Gauge Pressure

The pressure within a closed container or pipe as measured with a gauge. In contrast, absolute pressure is the sum of atmospheric pressure (14.7 lbs/sq in (1.0 atm.)) PLUS pressure within a vessel (as measured with a gauge). Most pressure gauges read in "gauge pressure" or psig (pounds per square inch gauge pressure or kilopascals).

Cradle to Grave

A term used to describe a hazardous waste manifest system used by regulatory agencies to track a hazardous waste from the point of generation to the hauler and then to the ultimate disposal site.

Terminal Manhole

A manhole located at the upstream end of a sewer and having no inlet pipe. Also called a deadend manhole.