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
- 541032.1.8.1 - Hazardous waste remediation projects
- 541032.1.8.2 - Industrial waste collection, treatment, and disposal projects
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