R. J. Allan

• High-performance computing
• Crustal geochemical trends in the northwestern Canadian shield
• Lake water nutrient chemistry and chlorophyll a in Pasqua, Echo, Mission, Katepwa, Crooked and Round lakes on the Qu'Appelle River, Saskatchewan
• Reconnaissance geochemistry using lake sediments of a 36,000-square-mile area of the Northwestern Canadian Shield (Bear-Slave Operation, 1972)
• Regional geochemical exploration in the Coppermine River area, district of Mackenzie
• The role of particular matter in the fate of contaminants in aquatic ecosystems
• Toxic chemicals in the Great Lakes and associated effects