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Scientist and biologist hydro-biologist takes water samples for analysis.
Female scientists wearing Chemical protective suites and PPE collect samples of toxic water to test by mobile lab test, examining wastewater from Industrial, and environment
Mid Adult Biologist Measuring PH Value of Water on Field Directly in Water Stream
Side view of young female biologist using multiparameter instrument while testing dissolved oxygen in river.
Environmental Engineers Inspect Water Quality, pH Test and Take Water sample notes in The Field Near Farmland, Fish Pond, Natural Water Sources that may be Contaminated by Suspicious Pollution Sites.
A female scientist collects and looks at samples of water from a stream in Hexham and is analyzing the sample for traces of pollutants and also for traces of small microplastics before taking it back to the lab to test further.
Water sampling, Water quality checking
Scientist measuring environmental water quality in a wetland using a multi-parameter probe
Water analysis operator wearing PPE sample and audit water from the water treatment plant, industrial and environment concept
Close-up scientist hand with a white PPE suit and nitrile gloves collect sample waste water into a flask for laboratory water analysis, industrial and environmental concept
Gloved hands of contemporary agroengineer holding petri dish with sample of green lettuce leaf and dropping liquid substance from pipette
Science Project By Male Gathering River Water
Female Environmental Researcher Collecting Data of Water Mechanical Pollution Writing them Down in a File
Scientist examing toxic water.
Hands of scientists collecting water samples for analysis and research on water quality.
Testing water with a water parameter meter, such as pH, conductivity, Ta, redox and oxygen.
A water pollution sample in the test tube close up.
Scientists or Environmental staff collect samples of wastewater from factories, Pollution of ecology and environment concept
Environmental Engineers Take Water Samples Into Bottles at Rotten Smelly Pond Water Sources, May Be Contaminated by Toxic Waste or Suspicious Pollution Sites.
Female Assistant Helping Male Scientist With Sample Inspection In Nature
Close up of unrecognizable scientist wearing hazmat suit collecting soil probes, focus on gloved hands, copy space
Scientist examing toxic water.
Science, nature and scientist with water sample for inspection, research and ecosystem study. Agriculture, biology and hands of person with test tube in forest for analysis, growth data and bacteria
Biologist takes water from a forest river to study the composition in the laboratory
Mature woman collected river water sample for analysis in a test tube and recorded the experimental results in the tablet. Environmental research.
Female Scientist collect seawater samples for examing the qualification.
Close up view of ecologist sampling water from the river with test tube. Examining level of pollution. Conserve water and environment.
Professional Asian ecologist or scientist team examining environment and ecology system in tropical jungle area. Ecologist notes a study report on tablet and laptop computer.
field researcher biologist examines a sample of soil in a test tube against a dry marsh
A scientist and researcher collects samples from various aquatic ecosystems with beakers and test tubes, enters the samples into a list and prepares it for research in the laboratory. A team working on remote field surveys of primeval water sources in the primeval forest. Sources of clean water and unpolluted water.
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Toms Shash, a Warm Springs Apache, left; Jennifer Ploch, of Aztec ancestry, right; Saba Shash, Mr. Shash's adopted daughter; and her daughter Tonantzin Conway at a gathering of North American Native LCCN2015633899.tif.tiff
US_Navy_050910-N-7676W-063_Aamir_Qaiyumi,_foreground,_and_Mark_Connelly,_with_Naval_Sea_Systems_Command_(NAVSEA)_in_Panama_City,_Fla.,_analyze_data_from_Remote_Environmental_Monitoring_Units_(REMUS)_aboard_the_Office_of_Naval_R.jpg
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STS-76_Landing_-_Space_Shuttle_Atlantis_Lands_at_Edwards_Air_Force_Base_DVIDS703178.jpg
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