Nuclear Consulting Services

Our consulting experience in the areas of Radiation Protection

Management, Health Physics & Radiological Engineering

Includes the following areas:




·          Characterization and analysis of radiological environments, including: airborne concentrations; direct radiation dose rates; and surface contamination.  Prediction, characterization and assessment of effective dose equivalent due to multiple radiological sources and geometries, to minimize personnel exposure.


·          Special assessments and analysis, including: modeling extremely high dose rates associated with piping and valves; modeling dose rates due to a highly-activated Sm sources; modeling dose rates associated with Cf neutron sources; and, modeling dose rates associated with extremely large (i.e., 5,000 Ci) beta-gamma sources.


·          Development of models and methodology, and assessment of dose attributable to “hot particles” containing isotopes associated with fission, activation and fuel products.  Modification and use of the VARSKIN program, and development of special survey instrument adapters to enhance dose assessment due to “hot particles”.  Dose assessment including both shallow dose and deep dose equivalent, associated with beta and gamma “hot particle” radiations.


·          Investigation of abnormal (high) dosimetry results, including: time and motion studies; determination and analysis of radiological work environments; assessment of shielding effects; assessment of operational processes; and assessment of worker-source configuration and orientation.


·          Evaluation, selection, and implementation of Panasonic TLD dosimetry systems. Development of procedures, programs, software, and training.  Initial setup, calibration, qualification and operation of these systems under NVLAP guidelines.


·          Calibration, repair and operation of portable survey instrumentation, including: ionization chambers; micro-R meters; GM instruments; alpha scintillators; NaI and Ge spectroscopy systems; telemetry systems; and non-destructive assay (NDA) systems.  Our experience includes performance of field surveys, both routine and non-routine, using all types of portable survey instrumentation.




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Michael C. Williams, P. E.

2824 Spring Water Drive

St. Louis, Missouri


For Immediate Support & Service

Contact :

Phone:          (314) 846 - 7662


Email:           NuclearServices

Radiation Protection Management

Health Physics  and

Radiological Engineering Services