A man in a protective suit and mask took a soil sample from the bottom of the river into a Petri dish - Stock Photo & Image

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

Laboratory assistant in a special protective suit in the open air measures the level of environmental pollution with the device

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

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

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

A man in a protective suit and mask from bacteria and viruses drops reagent from a pipette into the river water during an express analysis for contamination

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 specialist in a protective suit holds a suitcase with equipment in his hands and measures the level of water pollution in the river with a special device

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

The workers hands in white gloves, carry a cart, on the repair section of the road

Scientist in a protective suit and mask, releases into the pond bio plants for reproduction from a Petri dish

The man checks the duration of the protection of the special suit in the conditions of pollution, putting it on

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

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

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

An employee in a protective suit and mask takes water from the river with a pipette and conducts a test of the suitability of water after a man-made disaster