Practice question

What is the maximum non-fixed (removable) radioactive surface contamination limit for beta/gamma emitters and low toxicity alpha emitters on outer package surfaces under ADR 4.1.9.1.2?

  1. 400 Bq/cm²
  2. 0.4 Bq/cm²
  3. 4 Bq/cm²
  4. 4,000 Bq/cm²

Answer: C — 4 Bq/cm²

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