You are about to access a web page for electronic copies of the Code of Federal Regulations. To access "Part 403: General Pretreatment Regulations for Existing and New Sources of Pollution" perform the following.

• In the Browse box, SELECT Title 40 - Protection of Environment, then GO
• In the Browse Parts column, SELECT Part 400-424
• In the Parts column, SELECT Part 403
• Use the Section Contents index at the top of the regulation or mouse down to find desired section.