Envirosight’s free guide to sewer inspection and maintenance serves as an introduction for industry newcomers. “Sewer Maintenance 101: The Quick and Dirty Guide to Sewer Inspection and Upkeep” provides an overview of how a sewer system functions, how it’s inspected and how it’s maintained. It can serve as a tool for industry orientation or provide a refresher to employees already in the industry. 866-936-8476; www.envirosight.com.

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