RS ISO 2810: 2020 PAINTS AND VARNISHES — NATURAL WEATHERING
OF COATINGS — EXPOSURE AND ASSESSMENT
19,500.00
1
19,500.00
2
Rwanda Standards
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
