I le eria o le Longyan Sewage Treatment Plant i Nanchuan, Chongqing, mea faigaluega suʻesuʻeina le lelei o le vai a Sinomeasure: mita pH, okesene solo, mita turbidity, sludge concentration mita ma isi meafaifaʻaili ua faʻaaogaina lelei i le faʻaogaina o le otaota, lea e faʻaleleia atili ai le saʻo o le suʻesuʻeina o le lelei o le vai ma faʻamautinoa le maualuga ma le mautu o togafitiga otaota.
