GLOSSARY

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Quad

One Quadrillion (1,000,000,000,000,000) Btus

Quadrant

An areal subdivision of the UKCS of 1 degree of longitude by 1 degree of latitude - typically around 6600 sq km. On the UKCS each Quadrant is further subdivided into 30 Blocks.

Quench oil

A specially refined oil with a high flash point (q.v.) Used in steel mills to cool hot metal.

Quicklime

solid material made from calcium oxide and magnesium oxide