RS ISO 6222: 1999 WATER QUALITY — ENUMERATION OF CULTURABLE MICROORGANISMS — COLONY COUNT BY INOCULATION IN NUTRIENT AGAR CULTURE MEDIA
6,000.00
71
426,000.00
2
Rwanda Standards
RS ISO 6468: 1996 WATER QUALITY — DETERMINATION OF CERTAIN
ORGANOCHLORINE INSECTICIDES,
POLYCHLORINATED BIPHENYLS AND
CHLOROBENZENES — GAS CHROMATOGRAPHIC
METHOD AFTER LIQUID-LIQUID EXTRACTION