In view of these significant environmental concerns, I would advise Water Network Research readers to review the following document. https://www.dropbox.com/s/intm8dqgu235pw9/The%20consequence%20of%20stagnant%20water%20or%20the%20slow%20passage%20of%20effluent%20passing%20through%20a%20drain%20or%20sewerage%20pipeline.pdf?dl=0
Published by David Pitt, Managing Director at Flusher Limited
In view of these significant environmental concerns, I would advise Water Network Research readers to review the following document. https://www.dropbox.com/s/intm8dqgu235pw9/The%20consequence%20of%20stagnant%20water%20or%20the%20slow%20passage%20of%20effluent%20passing%20through%20a%20drain%20or%20sewerage%20pipeline.pdf?dl=0