On Tue, 17 Jun 2008 19:54:19 +0100, "Bob W" <[EMAIL PROTECTED]> said: > Very interesting, thanks. > > I'm somewhat intrigued by the photo of people releasing 400,000 > plastic balls into a reservoir (ergo man-made) to prevent the sunlight > from triggering a carcinogenic chemical reaction with the chlorine and > bromide in the water. I'm not a chemist or a water-scientist in any > way, but this sounds like kludge upon kludge to me, with the plastic > likely to lead to further environmental problems somewhere down the > line. Surely the solution (no pun intended) is to remove, or not to > add, chlorine or bromide to the reservoir? >
Yes, without knowing anything about LA's water supply, the usual reason for putting any sort of cover on a reservoir is to reduce evaporation. Great set of images, though. Cheers Brian ++++++++++++++++++++++++++++++++++ Brian Walters Western Sydney Australia http://members.westnet.com.au/brianwal/SL/ -- -- http://www.fastmail.fm - One of many happy users: http://www.fastmail.fm/docs/quotes.html -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
