BS ISO 8672. Air quality. Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy. Membrane filter method
BS ISO 8672. Air quality. Determination of the number concentration of airborne inorganic fibres by phase contrast optical microscopy. Membrane filter method
Workplace air. Determination of metals and metalloids in airborne particulate matter by inductively coupled plasma atomic emission spectrometry-Sampling
Medical Electrical Equipment - Part 2: Particular Requirements for the Safety of Medical Electron Accelerators in the Range 1 MeV to 50 MeV (Adopted IEC 601-2-1:1981)