PARAMETERS 



• - Computer Storage and Retrieval System — Environment Canada 



AA - Atomic Absorption IR - Infrared UV - Ultraviolet 



NFR - Nonfilterable Residue MC - Monthly Composite BM - Bimonthly (Alternate months sampled by U.S.G.S.) 



ICAP - Inductively Coupled Argon Plasma. 



A2-8 



