North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]

• 54 - Professional, scientific, and technical services
• 541032 - Engineering services
• 541032.1 - Engineering services
• 541032.1.8 - Hazardous and industrial waste engineering projects

541032.1.8.2 - Industrial waste collection, treatment, and disposal projects

All engineering services related to programs for the collection, treatment, recycling, and disposal of industrial air, water and solid wastes, generally to a level such that the remaining waste stream can be safely released to the natural environment or ordinary municipal systems.