Scintillating Fiber Optic Groundwater Monitors with Radionuclide-Selective Hydrophilic Cladding

Award Information
Agency: Department of Energy
Branch: N/A
Contract: DE-FG02-04ER86178
Agency Tracking Number: 75352T04-I
Amount: $100,000.00
Phase: Phase I
Program: STTR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: 25
Solicitation Number: DOE/SC-0075
Small Business Information
Adherent Technologies, Inc.
9621 Camino del Sol, Albuquerque, NM, 87111
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Andrea Hoyt
 (505) 346-1685
Business Contact
 Ronald Allred
Title: Dr.
Phone: (505) 346-1685
Research Institution
 Battelle Pacific Northwest Division
 Kevin Ghirardo
 Interfacial Chemistry and Engineering
P.O. Box 999, MS K6-45
Richland, WA, 99352
 (509) 372-6877
 Federally funded R&D center (FFRDC)
75352-Many DOE sites require the monitoring of radionuclide contamination in surface water, groundwater, soils, and the vadose zone ¿ often in real-time and with remote monitoring capability. However, existing site characterization procedures typically involve the collection and shipment of samples to an off-site laboratory, leading to costly delays in site remediation as well as to increased risk to personnel. This project will develop a scintillating fiber-optic-based sensor system with a hydrophilic, radionuclide-selective cladding material for the detection of Technetium-99 and/or Strontium-90 in groundwater. The configuration can be easily adapted to real-time and remote monitoring scenarios. Phase I will prepare and evaluate dual-purpose (radionuclide-enriching and optically functional) cladding materials for use with plastic scintillating optical fibers. The selectivity and detection limits of these sensors will be evaluated for Technetium-99 and Strontium-90. A simple sensor will be demonstrated, using actual Hanford groundwater samples spiked with the radionuclide of interest. Expansion of the technology to other radionuclides will occur in Phase II. Commercial Applications and Other Benefits as described by the awardee: The fiber optic sensor configuration should find primary application in DOE site remediation activities and in the long-term environmental monitoring of these sites. Related radiation sensors could have application in the quality control of food irradiation, in medical sterilization, and in pinpoint dosimetry for newly emerging cancer radiation therapies such as stereotactic radiosurgery.

* information listed above is at the time of submission.

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