Safety Safety Guidance

Guidance for Health Management with NDMs

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Published November 2015

  • Nuclear Moisture/Density Meters (NDMs) contain active ionising radioactive sources.
  • Use of NDMs must adhere to “The Ionising Radiations Regulations 1999” and this is supplemented by the Approved Code of Practice and Guidance (ACOP) HSE L121.
  • Employees using NDMs must be subject to stringent control and measurement of individual radiation exposure limits.
  • Risk assessments should be compiled in consultation with a competent and trained Radiation Protection Adviser (RPA)

This guidance provides an introduction to NDMs, covers Health and Safety Arrangements and gives further references to information.