PARAMETERS 



* - Computer Storage and Retrieval System - 



AA - Atomic Absorption 



NFR - Nonfilterable Residue 



ICAP - Inductively Coupled Argon Plasma 



Environment Canada 

 IR - Infrared 

 MC - Monthly Composite 



UV - Ultraviolet 



BM - Bimonthly (Alternate months sampled by U.S.G.S.) 



A2-8 



