Calendar: May – June 2009
| By Suzanne Shelley
North America
Residuals and Biosolids 2009. Water Environment Federation Specialty Conferences (Alexandria, Va.). Phone: 703-684-2400, ext. 7739; Web: wef.org
Portland, Ore. May 3 – 6var AIAD_adc644209ed8d0e4efecb7575c8ec06b_6918a9ef58ea3;googletag.cmd.push(function(){var…