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       CODE: 029.261-010 Buy the DOT:Download/CD-ROM
TITLE(s): LABORATORY TESTER (any industry)
Performs laboratory tests according to prescribed standards to determine chemical and physical
characteristics or composition of solid, liquid, or gaseous materials for such purposes as quality
control, process control, or product development: Sets up, adjusts and operates laboratory equipment
and instruments, such as microscopes, centrifuge, agitators, viscosimeter, chemical balance scales,
spectrophotometer, gas chromatograph, colorimeter, and other equipment. Tests materials used as
ingredients in adhesives, cement, propellants, lubricants, refractories, synthetic rubber, plastics,
paint, paper, cloth, and other products for such qualities as purity, stability, viscosity, density,
absorption, burning rate, and melting or flash point. Tests solutions used in processes, such as
anodizing, waterproofing, cleaning, bleaching, and pickling for chemical concentration, specific
gravity, or other characteristics. Tests materials for presence and content of elements or
substances, such as hydrocarbons, manganese, natural grease, tungsten, sulfur, cyanide, ash, dust,
or impurities. Tests samples of manufactured products to verify conformity to specifications.
Records test results on standardized forms and writes test reports describing procedures used.
Cleans and sterilizes laboratory equipment. May prepare graphs and charts. May prepare chemical
solutions according to standard formulas. May add chemicals or raw materials to process solutions or
product batches to correct or establish formulation required to meet specifications. May calibrate
laboratory instruments. May be designated according to product or material tested. For testing of
food products see FOOD TESTER (any industry) 029.361-014.
GOE: 02.04.01 STRENGTH: L GED: R4 M4 L4 SVP: 6 DLU: 86
ONET CROSSWALK: 24505A Chemical Technicians
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