This category can only be viewed by members. To view this category, sign up by purchasing PSMA Regular Membership or PSMA Associate Membership.

Troubleshooting Pumps & Controls

2020 PSMA Conference Presentation There are many applications for pumps in onsite wastewater treatment system design. This session will cover the basic hydraulic principles that must be used in the selection of pumps and controls. We will cover the fundamental details...

Time Dosing and Flow Equalization

2020 PSMA Conference Presentation Most of us were raised to eat three meals per day – breakfast, lunch, and supper. We eat until our appetite is satisfied (then eat a little more), we feel full of a couple of hours, and then we start to desire the next meal. How would...

Managing Nitrogen in Sensitive Areas in PA

2020 PSMA Conference Presentation When we breathe approximately 78% of the air we inhale is nitrogen gas. With this much nitrogen around us, it is sometimes hard to believe that there is so much concern about nitrogen from onsite wastewater treatment systems. However,...

Identifying & Dealing with Biomats

2020 PSMA Conference Presentation A biomat is a layer of partially decomposed organic waste often found on the bottom and sides of an absorption area’s trenches. This presentation will address issues associated with the development of biomats including how and why...