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    Pollution control inspector looking at sample of leaked chemical next to river. — Stock Photo
    Pollution control inspector looking at sample of leaked chemical next to river.
    Woman in lab coat and hat making notes while checking food inside cold storage room in cafe — Stock Photo
    Woman in lab coat and hat making notes while checking food inside cold storage room in cafe
    Water department technician reinstalling caps on fire hydrant — Stock Photo
    Water department technician reinstalling caps on fire hydrant
    Low angle of mature ethnic male inspector in vest and hardhat with clipboard looking away while standing near solar power station — Stock Photo
    Low angle of mature ethnic male inspector in vest and hardhat with clipboard looking away while standing near solar power station
    Side view of young woman in lab coat smiling and looking away while checking data in journal during safety inspection of piping system in industrial facility — Stock Photo
    Side view of young woman in lab coat smiling and looking away while checking data in journal during safety inspection of piping system in industrial facility
    From below happy middle aged Hispanic foreman in in hardhat and waistcoat speaking on smartphone looking away while standing near solar power station — Stock Photo
    From below happy middle aged Hispanic foreman in in hardhat and waistcoat speaking on smartphone looking away while standing near solar power station
    Female agronomist taking soil fertility analysis sample. — Stock Photo
    Female agronomist taking soil fertility analysis sample.
    Organic soil certification inspector marking sample. — Stock Photo
    Organic soil certification inspector marking sample.
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Water department technician opening fire hydrant to flush water mains — Stock Photo
    Water department technician opening fire hydrant to flush water mains
    Female biologist in white coat pouring water in soil sample. — Stock Photo
    Female biologist in white coat pouring water in soil sample.
    Low angle back view of crop unrecognizable male inspector in vest with protective helmet against modern solar power station — Stock Photo
    Low angle back view of crop unrecognizable male inspector in vest with protective helmet against modern solar power station
    Agronomy specialist taking soil sample for fertility analysis. — Stock Photo
    Agronomy specialist taking soil sample for fertility analysis.
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Low angle back view of unrecognizable male inspector in vest with protective helmet against modern solar power station — Stock Photo
    Low angle back view of unrecognizable male inspector in vest with protective helmet against modern solar power station
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station — Stock Photo
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station
    Hand of policeman holding portable radio set outside — Stock Photo
    Hand of policeman holding portable radio set outside
    Side view of cheerful lady in lab coat holding journal and turning switches on electrical equipment during safety inspection on industrial facility — Stock Photo
    Side view of cheerful lady in lab coat holding journal and turning switches on electrical equipment during safety inspection on industrial facility
    Back view of specialist in white uniform walking along mature fresh suspended carcass while counting in slaughterhouse — Stock Photo
    Back view of specialist in white uniform walking along mature fresh suspended carcass while counting in slaughterhouse
    Pollution control inspector taking sample at pollution site. — Stock Photo
    Pollution control inspector taking sample at pollution site.
    Chinese auto mechanic examining car with flashlight — Stock Photo
    Chinese auto mechanic examining car with flashlight
    Chinese auto mechanic standing with flashlight in workshop — Stock Photo
    Chinese auto mechanic standing with flashlight in workshop
    Biologist hand with protective glove holding trowel with soil above samples separated in containers. — Stock Photo
    Biologist hand with protective glove holding trowel with soil above samples separated in containers.
    Smiling middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station — Stock Photo
    Smiling middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station
    Organic soil certification inspector marking sample. — Stock Photo
    Organic soil certification inspector marking sample.
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    Formal man with folder checking conditions on factory — Stock Photo
    Formal man with folder checking conditions on factory
    Man speaking on radio set outside in front of modern yellow car — Stock Photo
    Man speaking on radio set outside in front of modern yellow car
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    Biologist pouring soil with spatula from sample bag into separated containers. — Stock Photo
    Biologist pouring soil with spatula from sample bag into separated containers.
    Agronomy technician pouring water in soil samples. — Stock Photo
    Agronomy technician pouring water in soil samples.
    Low angle of ethnic male inspector in vest with protective helmet crossing arms standing against modern solar power station — Stock Photo
    Low angle of ethnic male inspector in vest with protective helmet crossing arms standing against modern solar power station
    From below middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station — Stock Photo
    From below middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station
    Serious man standing at table in workshop of factory and reading through documents. — Stock Photo
    Serious man standing at table in workshop of factory and reading through documents.
    Close-up of biologist pouring water into containers with soil samples. — Stock Photo
    Close-up of biologist pouring water into containers with soil samples.
    Water treatment engineer in treatment room — Stock Photo
    Water treatment engineer in treatment room
    Cropped image of Water department technician removing flushing adapter — Stock Photo
    Cropped image of Water department technician removing flushing adapter
    Water department technician using flow rate sensor — Stock Photo
    Water department technician using flow rate sensor
    Mature ethnic male supervisor in vest putting on hardhat while looking away standing near solar power station — Stock Photo
    Mature ethnic male supervisor in vest putting on hardhat while looking away standing near solar power station
    Pollution control inspector working and examining discarded barrel. — Stock Photo
    Pollution control inspector working and examining discarded barrel.
    Chinese auto mechanic showing car engine to car owner — Stock Photo
    Chinese auto mechanic showing car engine to car owner
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    Businessman and engineer using laptop at factory — Stock Photo
    Businessman and engineer using laptop at factory
    Female agronomist taking sample with soil probe sampler. — Stock Photo
    Female agronomist taking sample with soil probe sampler.
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking at screen under solar power station — Stock Photo
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking at screen under solar power station
    Chinese auto mechanic and car owner shaking hands — Stock Photo
    Chinese auto mechanic and car owner shaking hands
    Businessman shaking hands with engineer in factory — Stock Photo
    Businessman shaking hands with engineer in factory
    Businessman and Asian engineers talking at factory — Stock Photo
    Businessman and Asian engineers talking at factory
    Rear view of an engineer at a solar farm carrying a solar panel, Thailand — Stock Photo
    Rear view of an engineer at a solar farm carrying a solar panel, Thailand
    From below delighted male supervisor in uniform working on netbook while sitting near solar power station — Stock Photo
    From below delighted male supervisor in uniform working on netbook while sitting near solar power station
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Chinese auto mechanic examining car — Stock Photo
    Chinese auto mechanic examining car
    Water department technician coiling hose used to flush hydrant — Stock Photo
    Water department technician coiling hose used to flush hydrant
    Businessman and engineer shaking hands in factory — Stock Photo
    Businessman and engineer shaking hands in factory
    Businessman and engineer talking at industrial factory — Stock Photo
    Businessman and engineer talking at industrial factory
    Pollution control inspector taking sample of leaked chemical. — Stock Photo
    Pollution control inspector taking sample of leaked chemical.
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station — Stock Photo
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station