Article: Sewer line maintenance: root control made easy. (Pipeline Maintenance).

The EPA is currently developing an audit program that will evaluate compliance of all aspects of collection system capacity, management, operations, and maintenance (CMOM). Maintaining full sewer pipeline capacity and avoiding backups and overflows are more important than ever. Effective root control for sewer lines without posing hazards to humans, the environment, or treatment plants is a critical element in maintenance planning.

"We used to cut roots," says Ralph Palomares, industrial waste inspector and supervisor of sewer maintenance, El Toro Water District, city of Lake Forest, California. "When you cut roots, they come back within a few months, thicker and ...

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