A combination of solutions provides unique utility in stopping and/or diminishing pollutants, and in particular acting on biota that source infections including secondary types such as Healthcare Associated Infections or HAIs. Utility solutions include combinations of: UVc light illumination, activated charcoal filtering and adhesion, ion-exchange filtering, and coarse size HEPA filtering, and along with continuous and/or periodic deployment in two UVc light treatment modes to stop and/or reduce physical, chemical and biological pollutant vectors.