Gros plan d'un scientifique du sol méconnaissable portant des gants jaunes à l'aide d'un bâton de bois tout en prélevant des échantillons pollués pour la recherche - Photo & image de stock

Partial view of water inspector in latex gloves with test tube taking water sample

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

Close-up of a Petri dish with a sample of plants from a pond for research in the hands of a laboratory worker, top view

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

Scientist in chemical protective suit with conical flask taking sample from river for analysis, closeup

Hands of a laboratory assistant in rubber gloves take a soil sample on the river

Environmental scientists in protective suits and respirators putting samples into containers whilr researching contaminated samples in toxic area

Close-up of unrecognizable environmental scientist making notes in clipboard while colleague holding containers of polluted soil samples

Unrecognizable environmental researcher in yellow gloves sitting at dirty water and putting soil sample into container

Environmental researcher in mask and safety goggles taking sample of soil and putting it into lastic bag on polluted land

Two environmental scientists in protective workwear and masks taking samples of toxic water while examining it on polluted area

Ecologist in hazmat suit crouching on land and collecting samples of polluted soil on territory with bad environmental situation

Close-up of unrecognizable environmental engineer in protective suit and rubber boots standing on wet clay near water and holding pipette

Ecologist in respirator and safety goggles crouching on clay land and holding container of soil sample while working at toxic area

Environmental scientists in masks, gloves and protective suits working with toxic substances on polluted area

Land scientist in biohazmat suit, mask and gloves crouching at river and dropping water sample into container