Logging C supervisor Logging tool D N/A Personal D N/A supervision Radioactive D N/A marker Safety review D N/A Sealed source [B] Source holder D N/A Subsurface D N/A tracer study Surface casing D N/A for protecting fresh water aquifers Temporary D N/A jobsite Tritium neutron B generator target source
Logging supervisor C Logging tool D N/A Personal supervision D N/A Radioactive marker D N/A Safety review D N/A Sealed source [B] Source holder D N/A Subsurface tracer study D N/A Surface casing for protecting fresh water aquifers D N/A Temporary jobsite D N/A Tritium neutron generator target source B
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