Alaska Instructions refer to the set of regulations and guidelines issued by the Alaska Department of Environmental Conservation (DEC) that are used to protect Alaska's environment and natural resources. The instructions are divided into five categories: Water Quality, Air Quality, Waste Management, Pollution Prevention, and Hazardous Substances. Water Quality Instructions cover the requirements for water pollution control, water quality monitoring, and water quality improvement. These instructions are designed to protect Alaska's lakes, rivers, streams, and other water bodies. Air Quality Instructions provide requirements for air pollution control, air quality monitoring, and air quality improvement. These instructions are designed to protect Alaska's air from pollution and harmful emissions. Waste Management Instructions provide requirements for the management of solid and hazardous waste. These instructions are designed to minimize the environmental impacts of disposal of waste in Alaska. Pollution Prevention Instructions provide requirements for the prevention of pollution. These instructions are designed to protect Alaska's environment by preventing pollution before it occurs. Hazardous Substances Instructions provide requirements for the management and handling of hazardous substances. These instructions are designed to protect Alaska's environment and public health from the adverse effects of hazardous substances.