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September 2003 Edition The day the earth was moved Earth Day was triumphantly proclaimed by activists in 1970 as the “Birth of the Environmental Movement.” I do not believe this to be so, but it was certainly the year students demonstrated their concerns in mass rallies across North America, giving the media a new focus on ecology. But even earlier, students from the University of Toronto had held a beautifully-staged mock funeral to mark The Death of the Don River, accompanied, no less, by a rendition of Chopin’s Funeral March; the “mourners” wore funeral garb including top hats. As media events, both the Funeral and Earth Day were spectacular successes. For the first time, the environment became a cause célèbre with powerful political significance. See Tom's full commentary Also in this issue: Evaluating disinfection by-product formation and corrosion under simulated distribution systems The operator is a linchpin in treatment facilities Death by drowning: IWC must address 300,000 annual cetacean death toll Recycled concrete pipe services fuel depot Ontario faces drinking water supply challenges Many municipalities tap into the benefits of EDR water treatment City of Ottawa uses cured-in-place lining to rehabilitate sanitary sewer access structures Deep lake water cooling - a matter of degrees Potential operating savings through controlled wastewater and sludge treatment Time to Dam Right! Vortex flow inserts – for odour and corrosion control Stormwater management could combat West Nile Virus US Court upholds federal arsenic-in-tap-water rule against state and industry lawsuit Environmental News Reports

Continuous microfiltration-submerged system ensures high-quality drinking water The commissioning of a 10.5 million US gallons-per-day (MGD) continuous microfiltration-submerged (CMF-S) system from USFilter Memcor Products is ensuring a safe drinking water supply for residents in the West London, England, area. Started up in February 2003, the system is installed at Chertsey Water Treatment Works (WTW), operated by Three Valleys Water. CMF-S technology, combined with downstream ozonation and carbon filtration, acts as a barrier to bacteria and protozoa, including cryptosporidium, in the groundwater wells at the WTW. The system is also designed to treat water from the River Thames for short periods, should groundwater sources be unavailable. Click here to see the full article.

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