PARAMETERS (Continued) 



* - Computer Storage and Retrieval System - Environment Canada 



AA - Atomic Absorption IR - Infrared UV - Ultraviolet 



NFR - Nonfllterable Residue MC - Monthly Composite BM - Bimonthly (Alternate months sampled by USGS) 



ICAP - Inductively Coupled Argon Plasma 



A2-9 



