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
4
60,000.00
2
Rwanda Standards
RS ISO 21150: 2015/Amd 1:2022 COSMETICS — MICROBIOLOGY — DETECTION OF ESCHERICHIA COLI