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    Plastic sample containers in laboratory, close-up — Stock Photo
    Plastic sample containers in laboratory, close-up
    Water department technician opening fire hydrant to flush water mains — Stock Photo
    Water department technician opening fire hydrant to flush water mains
    Man standing thigh deep in sea — Stock Photo
    Man standing thigh deep in sea
    Scientist hand sampling water in test tube for quality testing. — Stock Photo
    Scientist hand sampling water in test tube for quality testing.
    Woman in bathroom preparing soaking tub for bath in sunny bedroom — Stock Photo
    Woman in bathroom preparing soaking tub for bath in sunny bedroom
    Lab chemist preparing graduated cylinder for standard solution — Stock Photo
    Lab chemist preparing graduated cylinder for standard solution
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Lab technician holding sample in flame — Stock Photo
    Lab technician holding sample in flame
    Lab chemist capturing a digital image of a sample slide on a microscope — Stock Photo
    Lab chemist capturing a digital image of a sample slide on a microscope
    France, Arcachon Bay, sea at high tide — Stock Photo
    France, Arcachon Bay, sea at high tide
    Lab technician opening sterilization tank — Stock Photo
    Lab technician opening sterilization tank
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Cropped image of Water department technician removing flushing adapter — Stock Photo
    Cropped image of Water department technician removing flushing adapter
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Test tubes filled with water and multi-colored acrylic paint — Stock Photo
    Test tubes filled with water and multi-colored acrylic paint
    Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory — Stock Photo
    Test tube with blue chemical fluid placed in cold water in glass jar in modern equipped laboratory
    Pollution control inspector taking sample of mud in field by lake. — Stock Photo
    Pollution control inspector taking sample of mud in field by lake.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Lab chemist placing paper filter for sample testing — Stock Photo
    Lab chemist placing paper filter for sample testing
    Glass beakers in laboratory, close-up view — Stock Photo
    Glass beakers in laboratory, close-up view
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Cropped image of Water department technician shutting fire hydrant to flush water pipes — Stock Photo
    Cropped image of Water department technician shutting fire hydrant to flush water pipes
    Scientist hand sampling water in flask for quality testing. — Stock Photo
    Scientist hand sampling water in flask for quality testing.
    Lab technician recording data from sample test — Stock Photo
    Lab technician recording data from sample test
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil. — Stock Photo
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil.
    Mid section of scientist in laboratory mixing samples of soil with reagent. — Stock Photo
    Mid section of scientist in laboratory mixing samples of soil with reagent.
    Lab technician adding liquid to graduated cylinder — Stock Photo
    Lab technician adding liquid to graduated cylinder
    From above bottles with water samples and briefcase with chemicals placed near swimming pool during safety inspection on resort — Stock Photo
    From above bottles with water samples and briefcase with chemicals placed near swimming pool during safety inspection on resort
    Lab technician igniting Bunsen burner — Stock Photo
    Lab technician igniting Bunsen burner
    France, New Aquitaine, Arcachon Bay, La Teste de Buch, Bordes salt marsh at low tide — Stock Photo
    France, New Aquitaine, Arcachon Bay, La Teste de Buch, Bordes salt marsh at low tide
    Lab chemist collecting a small amount of liquid with a dropper — Stock Photo
    Lab chemist collecting a small amount of liquid with a dropper
    Pollution control inspector taking sample of polluted water from spring in field. — Stock Photo
    Pollution control inspector taking sample of polluted water from spring in field.
    Lab technician collecting data on sterilization — Stock Photo
    Lab technician collecting data on sterilization
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit
    Water department technician holding leak sensor — Stock Photo
    Water department technician holding leak sensor
    Female scientist in white coat taking notes in soil testing laboratory. — Stock Photo
    Female scientist in white coat taking notes in soil testing laboratory.
    Lab chemist placing a sample slide on a microscope stage — Stock Photo
    Lab chemist placing a sample slide on a microscope stage
    Water department technician installing a snow stake — Stock Photo
    Water department technician installing a snow stake
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Lab technician adding reagent to sample while measuring pH — Stock Photo
    Lab technician adding reagent to sample while measuring pH
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Female scientist pouring dissolved soil sample into chemistry beaker. — Stock Photo
    Female scientist pouring dissolved soil sample into chemistry beaker.
    Water department technician reinstalling caps on fire hydrant — Stock Photo
    Water department technician reinstalling caps on fire hydrant
    Lab technician holding tray of calibrated samples — Stock Photo
    Lab technician holding tray of calibrated samples
    Water treatment plant ultraviolet ionization treatment room — Stock Photo
    Water treatment plant ultraviolet ionization treatment room
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory. — Stock Photo
    Female biologist pouring water into test tube with dissolved samples of soil in laboratory.
    Female biologist in white coat pouring water in soil sample. — Stock Photo
    Female biologist in white coat pouring water in soil sample.
    Woman dipping her hand in a river, Bulgaria — Stock Photo
    Woman dipping her hand in a river, Bulgaria
    Water treatment engineer in treatment room — Stock Photo
    Water treatment engineer in treatment room
    Water department technician opening fire hydrant to flush water pipes — Stock Photo
    Water department technician opening fire hydrant to flush water pipes
    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Female scientist in laboratory looking at glass flask with dissolved samples of soil. — Stock Photo
    Female scientist in laboratory looking at glass flask with dissolved samples of soil.
    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit
    Female scientist taking notes in soil testing laboratory. — Stock Photo
    Female scientist taking notes in soil testing laboratory.
    Water department technician coiling hose used to flush hydrant — Stock Photo
    Water department technician coiling hose used to flush hydrant
    Woman in a black swimsuit — Stock Photo
    Woman in a black swimsuit