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Please respond to:

Please respond to: Charles Sullivan Indiana Dept.  Environ.  
Mgt.  Office of Pollution Prev & TA {ccs@opn.dem.state.in.us} 
Question: POTW effluent copper violations, why and how do they 

It has been observed in some Indiana POTWs that frequent ef-
fluent copper violations are related to the practice of con-
necting the electrical ground to the plumbing.  Apparently the 
current through the plumbing hastens electrolytic corrosion of 
the lines.  If you have any background or experience with this 
problem, I would appreciate hearing from you, either directly 
or through the Net.  Thanks ccs