Egy férfit védő öltönyt vesz mintát a víz a folyóból kiadása után a vegyi hulladékok - Stock fotó és kép

A scientist, in a protective suit, mask and gloves, takes a liquid from the river in test tubes, for a sample, against the background of a drainpipe

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 took a soil sample from the bottom of the river into a Petri dish

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

The scientist, in a protective suit, mask and gloves, takes the liquid from the river in test tubes, for a sample

Scientist in a protective suit and mask, collects mold treatment facilities to study the parameters of water in a Petri dish

Specialist in a protective suit reports by phone on the results of an environmental study, rear view

The scientist, in a protective suit, mask and gloves, took the liquid from the river, for a sample and checks its color, in the light, against the drainpipe

An environmental laboratory specialist in a protective suit and a mask in a gutter pours a reagent from a flask into water to study the level of pollution

A man in a protective suit and a respirator against bacteria and viruses sits by the river next to a mobile laboratory for research

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 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 keeps records in a report on the situation at the scene of an environmental accident

A man in a protective suit and mask photographs the area after a man-made accident on a mobile phone to provide a report

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 laboratory specialist in protective suit and mask in a gutter pours water into a flask to study the level of pollution, close-up

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