Collect and test water and sewage samples, using test equipment and color analysis standards.
- 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
- 51-8093.00 Petroleum Pump System Operators, Refinery Operators, and Gaugers
