RS ISO 6777: 1984 WATER QUALITY — DETERMINATION OF NITRITE — MOLECULAR ABSORPTION SPECTROMETRIC METHOD
7,500.00
40
300,000.00
2
Rwanda Standards
RS ISO 24511: 2007 ACTIVITIES RELATING TO DRINKING WATER AND WASTEWATER SERVICES — GUIDELINES FOR THE MANAGEMENT OF WASTEWATER UTILITIES AND FOR THE ASSESSMENT OF WASTEWATER SERVICES
