6105-05396538

Wastewater pipeline and pump at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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6105-05396543

Wastewater pipeline and pump at a water treatment plant

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6105-05396539

Wastewater pipeline and pump at a water treatment plant

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6105-05396575

Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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Purification machineries at a water treatment plant

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6105-05396563

Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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6105-05396540

Wastewater pipeline and hoses at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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6105-05396553

Odor control pipeline at a water treatment plant

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Odor control pipeline at a water treatment plant

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Odor control pipeline at a water treatment plant

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Odor control pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Wastewater pipeline at a water treatment plant

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Control room of a water treatment plant

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Garbage bin at a water treatment plant

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Odor control pipeline at a water treatment plant

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Odor control pipeline at a water treatment plant

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Odor control pipeline at a water treatment plant

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Odor control pipeline at a water treatment plant

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Motor driven gate valve in a water treatment plant

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6105-05396546

Sludge tank at a water treatment plant

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Ozone generator in a water treatment plant

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Equipment for treating water and wastewater in a water treatment plant

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Hearing protection must be worn in this area' sign in water treatment plant

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Sludge tank at a water treatment plant

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Sludge tank at a water treatment plant

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Sludge tank at a water treatment plant

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Sludge tank at a water treatment plant

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Sludge tank at a water treatment plant

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Sludge tank at a water treatment plant

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Sludge tanks at a water treatment plant

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Ozone generator in a water treatment plant

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Equipment for treating water and wastewater in a water treatment plant

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Ozone and air injection system in a water treatment plant

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6105-06703113

Engineer putting a rebuilt O2 electrochemical sensor probe into service on piping in water treatment plant

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Engineer with old water pipes removed from city piping underground

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Engineer with old water pipes removed from city piping underground

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Danger signs at a water treatment plant

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Ozone monitoring machine in a water treatment plant

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Gauges of water treatment equipment

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6105-06703111

Engineer putting on retaining ring in an O2 electrochemical sensor probe in a laboratory

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Engineer rebuilding an O2 electrochemical sensor probe in a laboratory

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Engineer working with chlorine monitor in water sample

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Engineer working with chlorine monitor in water sample

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Engineer holding chlorine instrument

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6105-05396393

Irrigation pump in a field

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Close-up of an irrigation water pump

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6105-07744415

Control valves for low and intermediate pressure area flow at electric gas turbine plant

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6105-08211261

Construction supervisor using electronic surveying rod

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Construction worker cutting water main to length with gas powered saw

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Construction worker preparing water main for installation

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Instrumentation and control valves on cooling system for electric cogeneration plant

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6105-06703137

Laboratory scientist using microscope to examine bacterial culture in water treatment lab with counter

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Laboratory scientist using microscope to examine bacterial culture in water treatment lab

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Laboratory scientist reviewing bacterial culture in water treatment lab

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Laboratory scientist reviewing bacterial culture in water treatment lab

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Laboratory scientist reviewing bacterial culture in water treatment lab

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Two laboratory scientists recording chemical analysis data in a laboratory

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Laboratory scientist recording chemical analysis data in a laboratory

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Laboratory scientist hand mixing reagents in water sample flask

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Laboratory scientist adding distilled water to water sample flask

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Laboratory scientist washing indigo into water sample flask

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Laboratory scientist adding a precision amount of indigo into water sample flask

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Laboratory scientist measuring a precision amount of indigo on precision scale

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Laboratory scientist doing calculations for chemical analysis

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Laboratory scientist washing solid reagent into a water sample in a flask

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Laboratory scientist adding a premeasured amount of solid reagent to a water sample in a flask

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Laboratory scientist adding a small amount of solid reagent to a container on a scale

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Laboratory scientist adding a solid reagent to a container on a scale

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Pipetting water sample and indigo solution in water treatment plant

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Engineer putting vial of water sample into spectrometer for analysis

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Engineer holding a vial of water sample ready for spectrometer analysis

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Engineer pipetting water sample and indigo solution in water treatment plant

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Engineer pipetting water sample and indigo solution in water treatment plant

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6105-06703115

Engineer with sample bottles of indigo solution and ozonated water and vial in hand for analysis in water treatment plant

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