October 2021 O&M Newsletter By Maine NewsIn State NewsPosted September 28, 20210 Comment(s) A monthly newsletter for wastewater discharge licencees, treatment facility operators & associated persons October 2021 In this issue: Monthly Problem Set / For Practice, October Training & Conference Opportunities NetDMR Update – Adding and Removing Users DMR-QA Study 41 Update Certification Update Is Your Wastewater Lagoon Ready for Winter? Prepping for Cold Temperatures Monthly Problem Set / For Practice Answers, October
