The tank needs occasional cleaning as precipitated sulfur, iron sulfide, rust and algae col- lect. A valve controlled drain line to the ground surface makes flushing the storage tank, once or twice ...

International Paper, the owner of the Bogalusa mill, also agreed to operational and inspection changes, employee training and ...

The City of Winnipeg plans to use sulfur gas to control ground squirrels on athletic fields this summer — a move the Winnipeg ...

The sulfur-based chemicals typically released are ... Nitrogen oxides contribute to particulate pollution and ground-level ozone that can enter the blood stream and, with long-term exposure ...