Mongolia Laws|Official Regulatory Library
MNS 4943:2015. Water quality. Sewage water. Хүрээлэн буй орчинд нийлүүлэх цэвэршүүлсэн бохир ус. Ерөнхий шаардлага. 2 Scope 2.1 This standard applies to water polluting people, entities and organizations that supply waste water from domestic and industrial use and services. 2.2 The ...