RS ISO 11201: 2010 ACOUSTICS — NOISE EMITTED BY MACHINERY AND EQUIPMENT — DETERMINATION OF EMISSION SOUND PRESSURE LEVELS AT A WORK STATION AND AT OTHER SPECIFIED POSITIONS IN AN ESSENTIALLY FREE FIELD OVER A REFLECTING PLANE WITH NEGLIGIBLE ENVIRONMENTAL CORRECTIONS
52,500.00
3
157,500.00
2
Rwanda Standards
RS ISO 11423-2: 1997 WATER QUALITY — DETERMINATION OF BENZENE AND SOME DERIVATIVES PART 2: METHOD USING EXTRACTION AND GAS CHROMATOGRAPHY