RS ISO 24801-2: 2014 RECREATIONAL DIVING SERVICES —
REQUIREMENTS FOR THE TRAINING OF
RECREATIONAL SCUBA DIVERS —
PART 2: LEVEL 2 — AUTONOMOUS
22,500.00
7
157,500.00
2
Rwanda Standards
RS ISO 7393-2: 2017 WATER QUALITY — DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE —
PART 2:
COLORIMETRIC METHOD USING N,NDIALKYL-1,4-PHENYLENEDIAMINE, FOR ROUTINE CONTROL PURPOSES