Water inspecteur in beschermende kostuum en gasmasker het nemen van watermonsters op rivier - Stockfoto’s en -afbeeldingen

Water inspector in protective costume and respirator taking water samples at river

Water inspector in protective costume and respirator with inspection kit sitting at river coast

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

Ecologysts wearing protective uniforms examining the liquid contents of a test tube. Ecology and environmental pollution concept.

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

Pickup of suitcase of drugs by criminologist technician outdoor on meadow

The scientist, wearing a protective suit, gloves and mask, took the liquid from the river, in test tubes, and writes the results in a notebook

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

Cropped view of water inspector in latex gloves taking water samples at river

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

Cropped view of water inspector in latex gloves opening kit with test tubes on sandy coast

Partial view of water inspector in protective costume holding inspection kit and flask at river

Partial view of ecologist in latex gloves holding handful of soil with dandelion

Cropped view of water inspector in protective costume and boots standing in river

Partial view of water inspector in latex gloves taking water samples at river