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
8
120,000.00
2
Rwanda Standards
RS ISO 4803: 1978 LABORATORY GLASSWARE — BOROSILICATE GLASS TUBING
3,000.00
18
54,000.00
3
Rwanda Standards
RS 107: 2018 BUILDING SAND FROM NATURAL SOURCES — SPECIFICATION
