| RS ISO 9297: 1989 | Water quality — Determination of chloride — Silver nitrate titration with chromate indicator (Mohr’s method) | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF6,000 | View Details | |
| RS ISO 8245: 1999 | Water quality — Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC) | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF16,500 | View Details | |
| RS ISO 7899-2: 2000 | Water quality — Detection and enumeration of intestinal enterococci — Part 2: Membrane filtration method | Natural and applied sciences | ADOPTED ISO STANDARDS | RWF10,500 | View Details | |
| RS ISO 7888: 1985 | Water quality — Determination of electrical conductivity | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF9,000 | View Details | |
| RS ISO 760: 1978 | Determination of Water — Karl Fischer method (General method) | Chemical technology | ADOPTED ISO STANDARDS | RWF18,000 | View Details | |
| RS ISO 7027-1: 2016 | Water quality — Determination of turbidity — Part 1: Quantitative methods | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF13,500 | View Details | |
| RS ISO 6878: 2004 | Water quality — Determination of phosphorus — Ammonium molybdate spectrometric method | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF31,500 | View Details | |
| RS ISO 6778: 1984 | Water quality — Determination of ammonium — Potentiometric method | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF7,500 | View Details | |
| RS ISO 6461-2: 1986 | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1 : Method by enrichment in a liquid medium | Natural and applied sciences | ADOPTED ISO STANDARDS | RWF4,500 | View Details | |
| RS ISO 6222: 1999 | Water quality — Enumeration of culturable microorganisms — Colony count by inoculation in nutrient agar culture media | Natural and applied sciences | ADOPTED ISO STANDARDS | RWF6,000 | View Details | |
| RS ISO 6060: 1989 | Water quality — Determination of the chemical oxygen demand | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF6,000 | View Details | |
| RS ISO 6059: 1984 | Water quality — Determination of the sum of calcium and magnesium — EDTA titrimetric method | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF6,000 | View Details | |
| RS ISO 5815-2: 2003 | Water quality — Determination of Biochemical Oxygen Demand after n-days (BODn) — Part 2: Methods for undiluted samples | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF19,500 | View Details | |
| RS ISO 5663: 1984 | Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with Selenium | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF6,000 | View Details | |
| RS ISO 20419: 2018 | Treated wastewater reuse for irrigation -- Guidelines for the adaptation of irrigation systems and practices to treated wastewater | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF61,500 | View Details | |
| RS ISO 24521: 2016 | Activities relating to drinking water and wastewater services — Guidelines for the management of basic on-site domestic wastewater services | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF84,000 | View Details | |
| 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 | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF88,500 | View Details | |
| RS ISO 24510: 2007 | Activities relating to drinking water and wastewater services — Guidelines for the assessment and for the improvement of the service to users | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF93,000 | View Details | |
| RS ISO 15270: 2008 | Plastics — Guidelines for the recovery, and recycling of plastics waste | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF21,000 | View Details | |
| RS ISO 12020: 1997 | Water quality — Determination of aluminium — Atomic absorption spectrometric methods | Environment. Health protection. Safety | ADOPTED ISO STANDARDS | RWF13,500 | View Details | |
