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
13
195,000.00
2
Rwanda Standards
RS ASTM D7226-13(17) STANDARD TEST METHOD FOR DETERMINING THE VISCOSITY OF EMULSIFIED ASPHALTS USING A ROTATIONAL PADDLE VISCOMETER