Draw samples of products at specified stages so that analyses can be performed.
Measure, weigh, and mix chemical ingredients, according to specifications.
Monitor gauges, recording instruments, flowmeters, or products to ensure that specified conditions are maintained.
Read plant specifications to determine products, ingredients, or prescribed modifications of plant procedures.
Test product samples for specific gravity, chemical characteristics, pH levels, concentrations, or viscosities, or send them to laboratories for testing.
Compare physical characteristics of materials or products to specifications or standards.
Read work orders or other instructions to determine product specifications or materials requirements.