Test product samples for specific gravity, chemical characteristics, pH levels, concentrations, or viscosities, or send them to laboratories for testing.
- 51-9061.00 Inspectors, Testers, Sorters, Samplers, and Weighers
- 51-9023.00 Mixing and Blending Machine Setters, Operators, and Tenders
- 51-9012.00 Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders
- 51-9021.00 Crushing, Grinding, and Polishing Machine Setters, Operators, and Tenders
- 51-8091.00 Chemical Plant and System Operators
