Subjects include: Glenwood aerial, styrofoam filter substrate, Glenwood settling pond, biofilters, Paul Harmer, styrofoam "balls", Glenwood old systems, sludge pond, aeration tower oyster shell, module, trigger for demand feeder, lab bench, Glenwood Burroughs, Meachum, Schramm diffusers, loading fish, circular tanks, Burroughs pond drain, settler outflow, Burrow pond inlet, delivery grip, oxide pressure, flow meters, health incubators, Glenwood module and houses, expanded shale biofilter, clearwell sprinkler, ATEC pilot, hyamine treatment, hyamine 3500, cline tower, bacterial slime, settler baffles, inlet jets, wetsuit, air grid, zeolite tower, fish loader, biofilter, aerator tower, Venturi extension, binoxide generators, Schramm aeration system, ion exchange, photozone polymerized basalt, clinoptilolite, ammonia, photozone generator, pump foot, Clearwell sprinkler