WEF Discussion Forums : Operation and Maintenance : color codes for equipment and pipes is there a standard color code for a wastewater treatment plant pipes and equipment? If so, where can one find this information? 


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 http://www.dep.state.pa.us/dep/deputate/waterops/redesign/TablesNFormulas/Pages/plantpipecolor.htm


I'm not sure if this is used everywhere.  But, it applies in The Ten States Standards.


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