Event date: 8/22/2024 1:00 PM - 5:00 PM Export event Vincent.Cramer@suffolkcountyny.gov / Wednesday, January 10, 2024 / Categories: Uncategorized OWT 171 Nitrogen Removing Biofilters (NRBs) on Long Island, NY (4 TCH) IN PERSON (classroom and field) Click here for more information. Previous Article INST 100 Conventional Septic System Installation (4 TCH) (online only) Next Article OWT 105 Innovative and Alternative Technology (8 TCH) IN PERSON (classroom and field) Print 101