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NORM Measurement & Evaluation
High-resolution gamma spectrometry, field surveys, contamination mapping, and source identification.
Overview
We measure naturally occurring radioactive material across operational sites with calibrated gamma spectrometers and dose-rate instruments. Each survey is designed around the operator's exposure profile so the data we capture answers the questions that actually drive decisions.
Outputs include source identification, isotope-specific concentrations, dose-rate maps, and clear written reports suited for both regulators and operations leadership.
Key activities
- Calibrated gamma spectrometry surveys (HPGe and NaI)
- Surface contamination mapping (alpha/beta)
- Dose-rate measurement across exposure pathways
- Source identification and isotope-specific reporting
- Survey design tailored to site exposure profile
- Data deliverables suited for regulator and operations review
Methodology
All measurement work follows IAEA Safety Standards Series guidance with instruments traceable to national metrology bodies. Our QA Manual mandates a deviation budget of less than 10% across calibrated devices, audited internally before every project.
Each survey ships with traceability records, calibration certificates, and uncertainty budgets so the data can be defended to any reviewer.