Summer,
August 17, 1987
Arroyo
,
1 vol.
,
no. 2
, pages 1-8
,
8 pp.
,
Water Resources Research Center
,
Tucson, AZ
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C ure and simple" is an expression that does not fit when water quality is the topic. To assure the delivery of good quality, pure water is not a simple matter at all, as water quality managers well know