Scientist, in a protective suit and mask, collects water from the river for testing, in test tubes - Stock Photo & Image

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 against the background of the river

A man in special protective clothing and a mask draws water from a river into a flask after discharges into the river, checking the river for environmental friendliness

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

Terrorist in a protective suit and gloves, pours liquid from a glass tube with poison, for infection, in reservoirs

Hand of a laboratory assistant in a rubber glove holds a test tube with water taken for analysis

A specialist in a protective suit and respirator analyzes the water in the river near the existing plant, using a flask and a pipette

The scientist, in a protective suit and mask, collects water from the river, into test tubes and flasks, there is a place for inscription

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

A man in a protective suit and mask holds a test tube and a pipette with test water on the river after an accident

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

Environmental biologist in a protective suit and mask examines water from the river for viruses

An environmental laboratory specialist in a protective suit takes a sample of soil from the river bottom with tweezers for research, close-up

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

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

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

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

A man in a protective suit and mask looks away holding a flask with express test