Alcoholics Anonymous A voluntary, anonymous self-help organization of individuals who have recognized their chemical dependence and are committed to living a life of abstinence Abstinence is achieved by a 12-Step Program and members of AA support each other by sharing their own struggles, experiences and hopes
A type of lava surface in which the surface was too stiff to flow well, and so broke up into fragments It is characterised by broken material which can vary from simple lumps to very sharp prickly fragments It grades to pahoehoe (qv)
Assigned Amount The Kyoto Protocols term for the total tonnage of greenhouse gas, measured in terms of carbon dioxide equivalent, that each industrialised (Annex I) country can emit over a commitment period Assigned amounts are calculated on the basis of the Quantified Emission Limitation and Reduction Commitments laid down in Annex B of the Protocol See also PAA
The Aluminum Association, based in USA is responsible for the industry standard grain refiner (TP-1) and dissolution (TP-2) tests, as well as chemical specifications for master alloys and compacts
A form of lava flow associated with Hawaiian-type volcanoes, consisting of basaltic rock, usually dark-colored with a jagged and loose, clinkery surface. Compare pahoehoe
Atomic absorption spectrophometry Refers to the analytical method or apparatus used for metals analysis