career Comparison
Compare key metrics between Chemical Technicians and Hydrologic Technicians. Data sourced from BLS OEWS 2024 + O*NET 29.0 (2024).
| Metric | Chemical Technicians | Hydrologic Technicians |
|---|---|---|
| soc | 19-4031 | 19-4044 |
| title | Chemical Technicians | Hydrologic Technicians |
| onet code | 19-4031.00 | 19-4044.00 |
| description | Conduct chemical and physical laboratory tests to assist scientists in making qualitative and quantitative analyses of solids, liquids, and gaseous materials for research and development of new products or processes, quality control, maintenance of environmental standards, and other work involving experimental, theoretical, or practical application of chemistry and related sciences. | Collect and organize data concerning the distribution and circulation of ground and surface water, and data on its physical, chemical, and biological properties. Measure and report on flow rates and ground water levels, maintain field equipment, collect water samples, install and collect sampling equipment, and process samples for shipment to testing laboratories. May collect data on behalf of hydrologists, engineers, developers, government agencies, or agriculture. |
| job zone | 3 | 3 |
| major group | 19 | 19 |
| tot emp | 55,640 | 2,940 |
| a mean | 61,300 | 64,410 |
| a median | 57,790 | 58,570 |
| a pct10 | 39,030 | 40,330 |
| a pct25 | 46,680 | 47,450 |
| a pct75 | 72,940 | 79,790 |
| a pct90 | 90,990 | 94,310 |
| h mean | 29 | 30 |
| h median | 27 | 28 |
The CertifyWize editorial team aggregates and verifies careers data from BLS OEWS 2024 + O*NET 29.0. Every statistic on this site is cross-referenced against the official source before publication, with quarterly re-verification cycles.
Read our full methodology or contact us with corrections.