Performs laboratory tests or other laboratory work using conventional and computerized machines and work aids. Performs laboratory work and tests according to prescribed standards. Determines chemical and physical characteristics or composition. Sets up, adjusts, and operates laboratory equipment and instruments.... [+] More

Performs laboratory tests or other laboratory work using conventional and computerized machines and work aids. Performs laboratory work and tests according to prescribed standards. Determines chemical and physical characteristics or composition. Sets up, adjusts, and operates laboratory equipment and instruments. Usual requirement is two years of post secondary education in field of specialty; however, some companies may accept equivalent education and experience combined.

Tests for such qualities as purity, stability, viscosity, density, absorption, burning rate, melting or flash point, etc. Tests solutions used in processes for chemical concentration, specific gravity, or other characteristics. Tests for presence and content of elements, substances, or impurities. Collects and analyze samples. Tests samples to verify conformity to specifications. Records test results 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. [-] Less

Performs routine tests,... [+] More

Performs routine tests, and compiles data from tests in medical laboratory for use in diagnosis and treatment of disease. Conducts quantitative and qualitative chemical analyses of body fluids, such as blood, urine, and spinal fluid, under supervision of Medical Technologist. Typically requires specialized certification.

Uses microscope to perform blood counts. Tests blood for transfusion purposes. May draw blood from patient's finger, ear lobe, or vein, observing principles of asepsis to obtain blood samples. May specialize in hematology, blood bank, cytology, histology, or chemistry. [-] Less

Prepares and operates grinding and polishing machines to make lenses, optical flats, and other precision optical elements for optical instruments and ophthalmic goods, such as telescopes, aerial cameras, military optical systems, and eyeglasses.

Controls machine to rough-grind blanks of optical glass... [+] More

Prepares and operates grinding and polishing machines to make lenses, optical flats, and other precision optical elements for optical instruments and ophthalmic goods, such as telescopes, aerial cameras, military optical systems, and eyeglasses.

Controls machine to rough-grind blanks of optical glass to approximate size and shape, or manually positions and turns blanks against grinding wheel or lap. Blocks optical element in plaster or other compound. Mounts blocked element in machine and operates machine to oscillate and rotate element against abrasive to fine-grind element to final size and shape. Periodically stops machine to inspect and measure elements for accuracy and degree of completion. Polishes surfaces, using lens-polishing machine. May cement lens elements together to obtain corrected lens assemblies. May mount optical elements in holders or adapters for use in instruments. [-] Less

Performs routine and complex tests in medical laboratory to provide data for use in diagnosis and treatment of disease.

In a senior capacity, conducts quantitative and qualitative chemical analyses of body fluids, such as blood, urine, and spinal fluid, under the... [+] More

Performs routine and complex tests in medical laboratory to provide data for use in diagnosis and treatment of disease.

In a senior capacity, conducts quantitative and qualitative chemical analyses of body fluids, such as blood, urine, and spinal fluid, under the supervision of Medical Technologist. Trains and guides less experienced Medical Laboratory Technicians. Prepares sterile media and plates, jars or test tubes for use in growing bacterial cultures. Prepares solutions, reagents and stains, following standard laboratory formulas and procedures. Maintains detailed records of tests performed and reports laboratory test results to appropriate personnel. Calibrates and performs routine maintenance on equipment to ensure proper functioning. Cleans and sterilizes laboratory equipment, glassware and instruments. Collects blood specimens from patients using venipuncture or stick. Performs blood counts, using microscope. Conducts blood tests for transfusion purposes. May draw blood from patient's finger, foot, ear lobe, or vein, observing principles of asepsis to obtain blood samples. May specialize in hematology, blood bank, cytology, histology, or chemistry. [-] Less

Prepares and uses chemicals, related products, and equipment, working with chemists and chemical engineers. Performs research, development, testing, and other laboratory work. Assembles and operates new equipment to develop new products, monitors quality, and develops new techniques. Uses principles and... [+] More

Prepares and uses chemicals, related products, and equipment, working with chemists and chemical engineers. Performs research, development, testing, and other laboratory work. Assembles and operates new equipment to develop new products, monitors quality, and develops new techniques. Uses principles and theories of science to solve technical problems. Work is more limited in scope and more practically oriented than that of scientists.

Conducts standard chemical and physical tests of solid materials, liquids, and gases, and analyzes test data for variety of purposes, such as research, product development, quality control, criminal investigation, and establishing standards. Performs quantitative and qualitative analyses to determine chemical and physical properties of experimental and developmental materials. Sets up equipment and instrumentation required for tests, research, or process control. Tests and analyzes products to determine strength, stability, purity, chemical content, and other characteristics. Tests and analyzes materials and substances, such as ores, minerals, gases, soil, water, and pollutants. Documents results of tests and analyses. May prepare chemical solutions for use in processing materials, following standardized formulas or experimental procedures. May test and analyze radioactive and biological materials, applying knowledge of radiochemical procedures, emission spectrometry, and related techniques. [-] Less

Compiles data from performed standardized physical and chemical tests on materials and supplies used throughout power system to ensure compliance with specifications. Tests water used in boilers of steam generating plant for alkalinity and silica and phosphate content. Notifies power... [+] More

Compiles data from performed standardized physical and chemical tests on materials and supplies used throughout power system to ensure compliance with specifications. Tests water used in boilers of steam generating plant for alkalinity and silica and phosphate content. Notifies power plant operator or auxiliary equipment operator of amount of chemical additives required to bring water to prescribed level of purity.

Examines and tests oil used in circuit breakers for dielectric strength. Ascertains heat resisting qualities of insulating paints and varnishes by coating pieces of sheet metal with paint and varnish and subjecting them to high temperatures. May test coal to determine BTU content by burning coal samples in calorimeter. May determine viscosity index of lubricating oils. May inspect rubber protective equipment, such as aprons, gloves, and blankets for flaws. [-] Less

Conduct chemical and physical laboratory tests to assist scientists in making qualitative and quantitative analyses of solids, liquids, and gaseous materials for purposes, such as 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.

Tests chemical and physical properties of materials used in manufacturing or assembling motor vehicles

performs standard chemical and physical tests on parts, solutions, and materials used in producing motor vehicles, using conventional and computerized machines and work aids. Conducts quantitative and qualitative analyses to determine chemical and physical properties of experimental and developmental materials laboratory tester 029.261-010.

Calibrates, tests, and repairs electrical, mechanical, electromechanical, and electronic measuring, recording, and indicating instruments and equipment for conformance to established standards, and assists in formulating calibration standards. Figures sequence of testing and calibration procedures for instruments and equipment, according to... [+] More

Calibrates, tests, and repairs electrical, mechanical, electromechanical, and electronic measuring, recording, and indicating instruments and equipment for conformance to established standards, and assists in formulating calibration standards. Figures sequence of testing and calibration procedures for instruments and equipment, according to blueprints, schematics, technical manuals, and other specifications. Prepares standard and special purpose laboratory equipment to test, evaluate, and calibrate other instruments and test equipment.

Disassembles instruments and equipment, using hand tools, and inspects components for defects. Measures parts for conformity with specifications, using micrometers, calipers, and other precision instruments. Aligns, repairs, replaces, and balances component parts and circuitry. Reassembles and calibrates instruments and equipment. Devises formulas to solve problems in measurements and calibrations. Assists engineers in formulating test, calibration, repair, and evaluation plans and procedures to maintain precision accuracy of measuring, recording, and indicating instruments and equipment. [-] Less

Prepares vaccines, biologicals, and serums for prevention of animal diseases. Inoculates fertilized eggs, broths, or other bacteriological media with organisms. Incubates bacteria for specified period and prepares vaccines and serums by standard laboratory methods. Tests vaccines for sterility and virus inactivity. Prepares standard volumetric solutions and reagents used in testing.