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Environmental Science and Protection Technicians, Including Health - 19-4042.00

The occupation code you requested, 19-4091.00 (Environmental Science and Protection Technicians, Including Health), is no longer in use. In the future, please use 19-4042.00 (Environmental Science and Protection Technicians, Including Health) instead.

O*NET-SOC Description

Perform laboratory and field tests to monitor the environment and investigate sources of pollution, including those that affect health, under the direction of an environmental scientist, engineer, or other specialist. May collect samples of gases, soil, water, and other materials for testing.

Sample of Reported Job Titles

  • Environmental Technician
  • Laboratory Technician
  • Public Health Sanitarian
  • Sanitarian
  • Water Quality Analyst
  • Water Quality Specialist

SOC Occupation Groups

19-0000 Life, Physical, and Social Science Occupations
19-4000 Life, Physical, and Social Science Technicians
19-4040 Environmental Science and Geoscience Technicians
19-4042.00 Environmental Science and Protection Technicians, Including Health

Related Occupations


  • Analyze potential environmental impacts of production process changes, and recommend steps to mitigate negative impacts.
  • Calculate amount of pollutant in samples or compute air pollution or gas flow in industrial processes, using chemical and mathematical formulas.
  • Calibrate microscopes or test instruments.
  • Collect samples of gases, soils, water, industrial wastewater, or asbestos products to conduct tests on pollutant levels or identify sources of pollution.
  • Conduct standardized tests to ensure materials or supplies used throughout power supply systems meet processing and safety specifications.
  • Determine amounts and kinds of chemicals to use in destroying harmful organisms or removing impurities from purification systems.
  • Develop or implement programs for monitoring of environmental pollution or radiation.
  • Develop or implement site recycling or hazardous waste stream programs.
  • Develop testing procedures.
  • Direct activities of workers in laboratory.
  • Discuss test results and analyses with customers.
  • Distribute permits, closure plans, or cleanup plans.
  • Examine and analyze material for presence and concentration of contaminants, such as asbestos, using variety of microscopes.
  • Initiate procedures to close down or fine establishments violating environmental or health regulations.
  • Inspect sanitary conditions at public facilities.
  • Inspect workplaces to ensure the absence of health and safety hazards, such as high noise levels, radiation, or potential lighting hazards.
  • Investigate hazardous conditions or spills or outbreaks of disease or food poisoning, collecting samples for analysis.
  • Maintain files, such as hazardous waste databases, chemical usage data, personnel exposure information, or diagrams showing equipment locations.
  • Make recommendations to control or eliminate unsafe conditions at workplaces or public facilities.
  • Monitor emission control devices to ensure they are operating properly and comply with state and federal regulations.
  • Perform statistical analysis of environmental data.
  • Prepare samples or photomicrographs for testing and analysis.
  • Provide information or technical or program assistance to government representatives, employers, or the general public on the issues of public health, environmental protection, or workplace safety.
  • Record test data and prepare reports, summaries, or charts that interpret test results.
  • Set up equipment or stations to monitor and collect pollutants from sites, such as smoke stacks, manufacturing plants, or mechanical equipment.
  • Weigh, analyze, or measure collected sample particles, such as lead, coal dust, or rock, to determine concentration of pollutants.

Detailed Work Activities

  • Advise others on business or operational matters.
  • Advise others on matters of public policy.
  • Analyze chemical compounds or substances.
  • Analyze environmental data.
  • Analyze geological samples.
  • Assess compliance with environmental laws.
  • Calibrate scientific or technical equipment.
  • Collect environmental data or samples.
  • Confer with clients to exchange information.
  • Determine methods to minimize environmental impact of activities.
  • Develop environmental research methods.
  • Develop environmental sustainability plans or projects.
  • Direct natural resources management or conservation programs.
  • Inspect areas for compliance with sanitation standards.
  • Inspect equipment to ensure proper functioning.
  • Prepare biological samples for testing or analysis.
  • Prepare documentation for permits or licenses.
  • Prepare scientific or technical reports or presentations.
  • Record research or operational data.
  • Research environmental impact of industrial or development activities.
  • Set up laboratory or field equipment.
  • Supervise scientific or technical personnel.
  • Test quality of materials or finished products.

Military Crosswalk Titles

  • Bioenvironmental Engineer (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineer, Architecture/Medical Construction (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineer, Environmental Engineering and Science (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineer, General (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineer, Health Physics (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineer, Industrial Hygiene (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineer, Medical Physics (Air Force - Commissioned Officer only)
  • Bioenvironmental Engineering (Air Force - Enlisted)
  • Bioenvironmental Engineering Apprentice (Air Force - Enlisted)
  • Bioenvironmental Engineering Craftsman (Air Force - Enlisted)
  • Bioenvironmental Engineering Helper (Air Force - Enlisted)
  • Bioenvironmental Engineering Journeyman (Air Force - Enlisted)
  • Bioenvironmental Engineering Superintendent (Air Force - Enlisted)
  • Chemical, Biological, Radiological, and Nuclear (CBRN) Defense Specialist (Marine Corps - Enlisted)
  • CWO - Oceanography Warrant Officer (Navy - Warrant Officer only)
  • Environmental Science and Engineering (Army - Commissioned Officer only)
  • Food Safety Officer (Army - Warrant Officer only)
  • Health Services Technician (Coast Guard - Enlisted)
  • Hospital Corpsman (Navy - Enlisted)
  • LDO - Meteorology/Oceanography (Navy - Commissioned Officer only)
  • Marine Science Technician (Coast Guard - Enlisted)
  • Preventive Medicine Specialist (Army - Enlisted)
  • Public Health (Air Force - Enlisted)
  • Public Health Apprentice (Air Force - Enlisted)
  • Public Health Craftsman (Air Force - Enlisted)
  • Public Health Helper (Air Force - Enlisted)
  • Public Health Journeyman (Air Force - Enlisted)
  • Public Health Superintendent (Air Force - Enlisted)
  • RL - Special Duty Officer (Oceanography) (Navy - Commissioned Officer only)
  • Special Warfare Operator (Navy - Enlisted)

Apprenticeship Crosswalk Titles

  • Laboratory Assistant

DOT Crosswalk Titles

  • Air Analyst
  • Chemist, Instrumentation
  • Chemist, Wastewater-Treatment Plant
  • Chemist, Water Purification
  • Laboratory Assistant
  • Microscopist, Asbestos
  • Pollution-Control Technician
  • Smoke Tester