Water tracing dyes are often bright green to increase the visibility of the flow of water. They can help with determining how long it takes water to flow from point A to point B, to detect water ...

BPU District Heating customers will be seeing more efforts to track down issues in the district heating system, including some work that starts Monday. Customers received a letter March 18 discussing ...

CHICAGO (AP) — The Chicago River is once again glowing kelly green as the city opens its ... Plumbers Union Local 130 sprayed dye into the water from boats, carrying on a tradition they began ...

CHICAGO (AP) — The Chicago River is once again glowing kelly green as the city opens its ... Plumbers Union Local 130 sprayed dye into the water from boats, carrying on a tradition they began ...

The Chicago River is dyed green as part of annual St ... of the Chicago Journeymen Plumbers Union Local 130 sprayed dye into the water from boats, carrying on a tradition they began some 63 ...

It's bright green. It's just it's really green like ... of the Chicago Journeymen Plumbers Union Local 130 sprayed dye into the water from boats, carrying on a tradition they began some ...