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    Panoramic shot of water inspector in respirator and goggles taking water sample — Stock Photo
    Panoramic shot of water inspector in respirator and goggles taking water sample
    Cropped view of water inspector in latex gloves taking water sample at river — Stock Photo
    Cropped view of water inspector in latex gloves taking water sample at river
    Partial view of ecologist in protective costume holding handful of soil — Stock Photo
    Partial view of ecologist in protective costume holding handful of soil
    Full length view of water inspector in protective costume, respirator and goggles holding inspection kit on river coast — Stock Photo
    Full length view of water inspector in protective costume, respirator and goggles holding inspection kit on river coast
    Full length view of water inspector in protective costume and respirator holding test tubes and flask with water samples at river — Stock Photo
    Full length view of water inspector in protective costume and respirator holding test tubes and flask with water samples at river
    Partial view of ecologist in latex gloves touching ground — Stock Photo
    Partial view of ecologist in latex gloves touching ground
    Smiling scientist in white coat and goggles looking at flask with plant sample in orangery — Stock Photo
    Smiling scientist in white coat and goggles looking at flask with plant sample in orangery
    Ecologist in protective costume and respirator holding bottle with soil sample — Stock Photo
    Ecologist in protective costume and respirator holding bottle with soil sample
    Overhead view of water inspector in protective costume holding inspection kit at river — Stock Photo
    Overhead view of water inspector in protective costume holding inspection kit at river
    Smiling handsome scientist in white coat and glasses holding card with green recycling sign in orangery — Stock Photo
    Smiling handsome scientist in white coat and glasses holding card with green recycling sign in orangery
    Ecologist in respirator, goggles and latex gloves touching tree bark — Stock Photo
    Ecologist in respirator, goggles and latex gloves touching tree bark
    Ecologist in protective costume, respirator and goggles holding plant in forest — Stock Photo
    Ecologist in protective costume, respirator and goggles holding plant in forest
    Side view of water inspector in protective costume and respirator holding test tubes and flask with water samples at river — Stock Photo
    Side view of water inspector in protective costume and respirator holding test tubes and flask with water samples at river
    Water inspector in protective costume, goggles and respirator taking water sample at river — Stock Photo
    Water inspector in protective costume, goggles and respirator taking water sample at river
    Water inspector in protective costume, latex gloves and respirator taking water sample at river — Stock Photo
    Water inspector in protective costume, latex gloves and respirator taking water sample at river
    Back view of water inspector in protective costume holding inspection kit in river — Stock Photo
    Back view of water inspector in protective costume holding inspection kit in river
    Top view of textured brown sand with traces — Stock Photo
    Top view of textured brown sand with traces
    Ecologist in protective costume with inspection kit standing near bridge — Stock Photo
    Ecologist in protective costume with inspection kit standing near bridge
    Full length view of water inspector in protective costume holding inspection kit and flask at river — Stock Photo
    Full length view of water inspector in protective costume holding inspection kit and flask at river
    Front view of water inspector in protective costume, latex gloves and respirator holding flask with water sample at river — Stock Photo
    Front view of water inspector in protective costume, latex gloves and respirator holding flask with water sample at river
    Ecologist in protective costume and respirator touching tree in forest — Stock Photo
    Ecologist in protective costume and respirator touching tree in forest
    Water inspector in protective costume, latex gloves and respirator taking water sample at river — Stock Photo
    Water inspector in protective costume, latex gloves and respirator taking water sample at river
    Partial view of water inspector in latex gloves with test tube taking water sample — Stock Photo
    Partial view of water inspector in latex gloves with test tube taking water sample
    Smiling handsome scientist in white coat and glasses with closed eyes holding rubber gas mask in orangery — Stock Photo
    Smiling handsome scientist in white coat and glasses with closed eyes holding rubber gas mask in orangery
    Panoramic shot of ecologist in latex gloves holding bottle with pebbles — Stock Photo
    Panoramic shot of ecologist in latex gloves holding bottle with pebbles
    Selective focus of smiling handsome scientist in white coat and goggles taking plant sample in flask in orangery — Stock Photo
    Selective focus of smiling handsome scientist in white coat and goggles taking plant sample in flask in orangery
    Water inspector in protective costume holding flask with water sample at river — Stock Photo
    Water inspector in protective costume holding flask with water sample at river
    Partial view of water inspector in protective costume holding test tubes — Stock Photo
    Partial view of water inspector in protective costume holding test tubes
    Water inspector in protective costume and respirator taking water sample at river — Stock Photo
    Water inspector in protective costume and respirator taking water sample at river
    Water inspector in protective costume and respirator holding test tubes and flask with water samples at river — Stock Photo
    Water inspector in protective costume and respirator holding test tubes and flask with water samples at river
    Partial view of ecologist in latex gloves holding handful of soil with dayflowers — Stock Photo
    Partial view of ecologist in latex gloves holding handful of soil with dayflowers
    Full length view of water inspector in protective costume and latex gloves taking water sample — Stock Photo
    Full length view of water inspector in protective costume and latex gloves taking water sample
    Ecologist in protective costume and respirator holding bottle with soil sample — Stock Photo
    Ecologist in protective costume and respirator holding bottle with soil sample
    Water inspector in protective costume, respirator and goggles holding flask with water sample — Stock Photo
    Water inspector in protective costume, respirator and goggles holding flask with water sample
    Partial view of water inspector in latex gloves with test tube taking water sample — Stock Photo
    Partial view of water inspector in latex gloves with test tube taking water sample
    Water inspector in protective costume, respirator and goggles taking water sample — Stock Photo
    Water inspector in protective costume, respirator and goggles taking water sample
    Water inspector in protective costume, respirator and goggles holding flask with water sample — Stock Photo
    Water inspector in protective costume, respirator and goggles holding flask with water sample
    Water inspector in protective costume and respirator taking water sample at river — Stock Photo
    Water inspector in protective costume and respirator taking water sample at river
    Water inspector in protective costume, latex gloves and respirator taking water sample at river — Stock Photo
    Water inspector in protective costume, latex gloves and respirator taking water sample at river
    Back view of water inspector in protective costume holding flask while standing in river — Stock Photo
    Back view of water inspector in protective costume holding flask while standing in river
    Partial view of water inspector in latex gloves taking water samples at river — Stock Photo
    Partial view of water inspector in latex gloves taking water samples at river
    Partial view of ecologist holding handful of soil with plant — Stock Photo
    Partial view of ecologist holding handful of soil with plant
    Partial view of water inspector in protective costume holding inspection kit and flask at river — Stock Photo
    Partial view of water inspector in protective costume holding inspection kit and flask at river
    Panoramic shot of ecologist in latex gloves holding handful of soil with dandelion — Stock Photo
    Panoramic shot of ecologist in latex gloves holding handful of soil with dandelion
    Water inspector in protective costume with inspection kit sitting on river coast — Stock Photo
    Water inspector in protective costume with inspection kit sitting on river coast
    Water inspector in latex gloves with test tube taking water sample — Stock Photo
    Water inspector in latex gloves with test tube taking water sample
    Ecologist in protective costume, goggles and respirator looking down — Stock Photo
    Ecologist in protective costume, goggles and respirator looking down
    Top view of water inspector in protective costume taking water sample from river — Stock Photo
    Top view of water inspector in protective costume taking water sample from river