Recently, Jiangbei Cuntan, Chongqing Municipal Bureau of Ecological Environment and Jiangbei District Government jointly held a oil spillcomprehensive environmental drill in the Boshuwan Oil Depot. The drill was simulated the oil was leaked from the pipeline. The fireboat arrived at the scene in time to carry out the fire extinguishing works. The fire and water rescue forces laid oil booms on the river surface to block the "oil" from discharging into the Yangtze River. Finally, the Environment Bureau staffs rushed to the scene for testing. The drill was successfully completed.