RS ASTM C231/C231M-26 STANDARD TEST METHOD FOR AIR CONTENT OF
FRESHLY MIXED CONCRETE BY THE PRESSURE
METHOD
15,000.00
63
945,000.00
2
Rwanda Standards
RS ISO 6878: 2004 WATER QUALITY — DETERMINATION OF PHOSPHORUS — AMMONIUM MOLYBDATE SPECTROMETRIC METHOD
31,500.00
53
1,669,500.00
3
Rwanda Standards
RS ISO 6778: 1984 WATER QUALITY — DETERMINATION OF AMMONIUM — POTENTIOMETRIC METHOD
7,500.00
52
390,000.00
4
Rwanda Standards
RS ISO 24521: 2016 ACTIVITIES RELATING TO DRINKING WATER AND WASTEWATER SERVICES — GUIDELINES FOR THE MANAGEMENT OF BASIC ON-SITE DOMESTIC WASTEWATER SERVICES
