Samples may be taken only by suitably trained and experienced personnel, fully protected against inhalation of MMVF dust and against MMVF contamination of street clothes and the skin.

• 采样应仅由经过适当培训，有经验的人员进行。采样时应充分保护好以防止吸入MMVF粉尘以及MMVF污染皮肤和生活服。