Abstracts by Mark Shephard
Sources of Ambient Ammonia in the Athabasca Oil Sands and North-Western Canada. CYNTHIA WHALEY, Paul Makar, Mark Shephard, Leiming Zhang, Michael Moran, Junhua Zhang, Qiong Zheng, Ayodeji Akingunola, Greg Wentworth, Jennifer Murphy, Environment and Climate Change Canada