PARAMETERS 



' Connputer storage and retrieval system ~ Environment Canada 



AA - Atomic Absorptton 



NFR - Nonfllterable Residue 



ICP - Inductively Coupled Plasma 



IR - Infrared 



UV- Ultraviolet 



BM-Bimonthly (alternate nrxinths sampled by USGS) 



A2-8 



