Un hombre con traje protector y máscara sostiene un tubo de ensayo y una pipeta con agua de prueba en el río después de un accidente - Foto e imagen de stock

The scientist, in a protective suit and mask, took a plant with tweezers, for a sample and puts it in a Petri dish, close-up

Scientist in a protective suit and mask, collects biomaterials from the water, for analysis, in a Petri dish

A man in a protective suit takes a sample of water from the river after the release of chemical waste

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent

Side view of a man in a protective suit and mask holding a test tube and a pipette with test water on the river after an outdoor accident

Woman with flask for expertise. Environmental pollution concept

A man in a protective suit and mask conducts an express test of contaminated water to identify the level of danger to the environmental environment and living organisms

Specialist in a protective suit and mask, is measuring the device on the pond, holding it in his hands, close-up

A man in a protective suit stands in a river and pours water from a test tube into it with a reagent to analyze the level of pollution

Scientist in a protective suit and mask, holding a set of test tubes with water samples treatment facilities, on the background of water, on the right there is a place for the inscription

A man in a protective suit takes soil samples into a Petri dish from the sewage treatment plant

A specialist in a gray protective suit and mask, on the pond, holding in his hand test tubes and a flask with a blue liquid, against the background of treatment pipes

A man in special protective clothing against chemical contamination measures the level of pollution with the help of instruments

Laboratory worker takes samples from the bottom of the lake

A man in a protective suit and mask performs an express test for water pollution from a river

A man in a protective suit holds a test tube in his hands with a green reagent for conducting water analysis against the background of the river

A man in special protective clothing holds a set of test tubes in front of him and does a water analysis

Liquidator of the accident, in a protective suit and a yellow vest, looking at the reaction in a test tube, on the background of the pond