RS ASTM D7678: 2022 STANDARD TEST METHOD FOR TOTAL OIL AND
GREASE (TOG) AND TOTAL PETROLEUM
HYDROCARBONS (TPH) IN WATER AND
WASTEWATER WITH SOLVENT EXTRACTION USING
MID-IR LASER SPECTROSCOPY
15,000.00
11
165,000.00
3
Rwanda Standards
RS ISO 10545-16: 2010 CERAMIC TILES — PART 16: DETERMINATION OF SMALL COLOUR DIFFERENCES