Umwanda usanzwe
Appearance
Umwanda usanzwe ni ijambo rikoreshwa muri Amerika mu gusobanura umwanda w’amazi meza yo gutunganywa n’uruganda rutunganya imyanda . Urutonde rwibanze rw’imyanda isanzwe isobanurwa mu itegeko ry’amazi meza muri Amerika. Urutonde rwahinduwe mu mabwiriza yatanzwe n'ikigo gishinzwe kurengera ibidukikije :
- ogisijeni ikomoka ku binyabuzima (BOD)
- fecal coliform bacteria
- amavuta n'amavuta
- pH (kurenza imipaka igenga)
- byose byahagaritswe (TSS).
Amabwiriza y’ubuvuzi bwa kabiri akubiyemo ibipimo by’isohoka mu gihugu kuri BOD, pH na TSS, bikoreshwa ku nganda zitunganya imyanda muri Amerika