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Filtering by: Subject Radioisotopes -- Measurement

An investigation of radioactively contaminated wastewater reclamation plant biosolids

Creator:

Brannan, C. Thomas

Abstract:

Within the last 15 years, wastewater treatment plants have increasingly begun to find radioactive isotopes incorporated in biosolids. Regulations concerning the disposal of radioactive material via sanitary sewer systems were in place since the early 1960's and recently were further restricted. However, the updated regulations would not have prevented certain...

Resource Type:

Masters Thesis

Full Text:

Balance and Pipetter 43 3.2.2 Proportional Counter for Gross Alpha and Beta Measurement 44 3.2.3 Ge(Li
Monte Carlo derived absorbed fractions in a voxelized model of a rainbow trout

Creator:

Hess, Catherine A.

Abstract:

The International Commission on Radiological Protection (ICRP) has modeled twelve reference animals and plants (RAPs) with simple geometric shapes to be used when estimating radiation dose to non-human biota (NHB). In recent years, there has been interest in creating more realistic models in order to better understand the radiation interactions...

Resource Type:

Masters Thesis
Radon-222 as an in situ partitioning tracer for quantifying nonaqueous phase liquid (NAPL) saturations in the subsurface

Creator:

Davis, Brian M.

Abstract:

This study investigated the use of radon-222 as an in situ partitioning tracer for quantifying nonaqueous phase liquid (NAPL) saturations in the subsurface. Laboratory physical aquifer models (PAMs), field experiments, and numerical simulations were used to investigate radon partitioning in static (no-flow) experiments and in single-well, 'push-pull' tests conducted in...

Resource Type:

Dissertation