# Chemical Equipment Operators and Tenders > Operate or tend equipment to control chemical changes or reactions in the processing of industrial or consumer products. Equipment used includes devulcanizers, steam-jacketed kettles, and reactor vessels. - Code: 51-9011.00 (O*NET-SOC; SOC 2018 51-9011) - Family: [Production](https://foundation.org.ai/occupations#family-51), one of its 114 occupations - Tasks: 23 tasks (23 core) - Page: https://foundation.org.ai/occupations/51-9011.00 - JSON: https://foundation.org.ai/data/tasks/51-9011.00.json ## What the work is made of 1. Observe safety precautions to prevent fires or explosions. Core task · Task 12334 · Rated by 65 people who do the job, July 2015 2. Record operational data, such as temperatures, pressures, ingredients used, processing times, or test results. Core task · Task 12342 · Rated by 66 people who do the job, July 2015 3. Control or operate equipment in which chemical changes or reactions take place during the processing of industrial or consumer products. Core task · Task 12336 · Rated by 66 people who do the job, July 2015 4. Patrol work areas to detect leaks or equipment malfunctions or to monitor operating conditions. Core task · Task 12339 · Rated by 66 people who do the job, July 2015 5. Draw samples of products at specified stages so that analyses can be performed. Core task · Task 12341 · Rated by 66 people who do the job, July 2015 6. Adjust controls to regulate temperature, pressure, feed, or flow of liquids or gases and times of prescribed reactions, according to knowledge of equipment and processes. Core task · Task 12333 · Rated by 66 people who do the job, July 2015 7. Monitor gauges, recording instruments, flowmeters, or products to ensure that specified conditions are maintained. Core task · Task 12335 · Rated by 66 people who do the job, July 2015 8. Test product samples for specific gravity, chemical characteristics, pH levels, concentrations, or viscosities, or send them to laboratories for testing. Core task · Task 12340 · Rated by 66 people who do the job, July 2015 9. Inspect equipment or units to detect leaks or malfunctions, shutting equipment down, if necessary. Core task · Task 12338 · Rated by 66 people who do the job, July 2015 10. Open valves or start pumps, agitators, reactors, blowers, or automatic feed of materials. Core task · Task 12345 · Rated by 66 people who do the job, July 2015 11. Read plant specifications to determine products, ingredients, or prescribed modifications of plant procedures. Core task · Task 12346 · Rated by 66 people who do the job, July 2015 12. Implement appropriate industrial emergency response procedures. Core task · Task 12351 · Rated by 65 people who do the job, July 2015 13. Measure, weigh, and mix chemical ingredients, according to specifications. Core task · Task 12337 · Rated by 66 people who do the job, July 2015 14. Dump or scoop prescribed solid, granular, or powdered materials into equipment. Core task · Task 12352 · Rated by 66 people who do the job, July 2015 15. Notify maintenance engineers of equipment malfunctions. Core task · Task 12343 · Rated by 66 people who do the job, July 2015 16. Estimate materials required for production and manufacturing of products. Core task · Task 12353 · Rated by 65 people who do the job, July 2015 17. Add treating or neutralizing agents to products, and pump products through filters or centrifuges to remove impurities or to precipitate products. Core task · Task 12344 · Rated by 64 people who do the job, July 2015 18. Observe and compare colors and consistencies of products to instrument readings and to laboratory and standard test results. Core task · Task 12350 · Rated by 66 people who do the job, July 2015 19. Direct activities of workers assisting in control or verification of processes or in unloading of materials. Core task · Task 12355 · Rated by 66 people who do the job, July 2015 20. Drain equipment, and pump water or other solutions through to flush and clean tanks or equipment. Core task · Task 12347 · Rated by 65 people who do the job, July 2015 21. Flush or clean equipment, using steam hoses or mechanical reamers. Core task · Task 12349 · Rated by 64 people who do the job, July 2015 22. Make minor repairs, lubricate, and maintain equipment, using hand tools. Core task · Task 12348 · Rated by 66 people who do the job, July 2015 23. Inventory supplies received and consumed. 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