Volledige lengte weergave van water inspecteur in beschermende kostuum en latex handschoenen nemen watermonster - Stockfoto’s en -afbeeldingen

Water inspector in protective costume holding flask and taking water sample from river

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

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

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

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

Full length view of water inspector in protective costume and respirator holding test tubes and flask at river

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

Full length view of water inspector in protective costume, latex gloves and respirator taking water sample at river

High angle view of water inspector in protective costume taking water sample at river

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

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

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 taking water sample at river

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

Partial view of ecologist in latex gloves holding handful of soil

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

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