RS ISO 24536:2019 SERVICE ACTIVITIES RELATING TO DRINKING WATER SUPPLY, WASTEWATER AND STORMWATER SYSTEMS — STORMWATER MANAGEMENT — GUIDELINES FOR STORMWATER MANAGEMENT IN URBAN AREAS
81,000.00
15
1,215,000.00
2
Rwanda Standards
RS ASTM C 1777-20 STANDARD TEST METHOD FOR RAPID DETERMINATION OF THE METHYLENE BLUE VALUE FOR FINE
AGGREGATE OR MINERAL FILLER USING A COLORIMETER1