76292984
Jul 31, 2001
Aug 20, 2002
tracer dyes for use in detecting leaks in pipes, toilet tanks and sewers; tracer dyes for use in measuring power plant discharge, detecting illegal sewer connections and monitoring water flow studies/mapping; detect; non-toxic dyes for use in adding color to lakes, ponds and fountains; tracer dyes for use in growth control of lake and pond plants
Chemicals