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Sampling of bulk materials containing chemicals requires special precautions to ensure the safety of personnel and preserve the integrity of the sample. Here are some general guidelines that should be followed:

  1. Safety Equipment: Personnel should always wear appropriate personal protective equipment (PPE), including gloves, safety goggles, and suitable clothing. Depending on the type of chemicals, a respirator may also be required.
  2. Closed Systems: Wherever possible, closed sampling systems should be used to avoid exposure to chemicals and minimize sample contamination.
  3. Suitable Containers: Samples should be collected in containers that are chemically resistant and suitable for the specific properties of the chemicals.
  4. Labeling and Handling of Samples: Collected samples should be correctly labeled, including the name of the chemical, date and location of sampling, and any relevant safety information. Samples should be stored and transported securely to avoid leaks and exposures.
  5. Training: Personnel conducting the sampling should receive adequate training to understand the specific risks of handling chemicals and know how to respond in case of an incident.
  6. Laws and Regulations: Sampling should always be conducted in compliance with applicable laws and regulations, including the REACH regulation in the EU and OSHA guidelines in the USA. This may also include specific requirements for record-keeping and reporting.

These are general guidelines and may vary depending on the type of chemicals, specific processes, and working environment. It is always important to conduct a risk assessment and create specific safety protocols based on the specific circumstances.