The development of an innovative, real-time monitor for airborne alpha emissions
Conference
·
OSTI ID:10180371
Los Alamos National Laboratory (LANL) is developing a technology for on-line, real-time monitoring of incinerator stacks for low levels of airborne alpha activity. Referred to as the Large-Volume Flow Thru Detector System (LVFTDS), this technology uses a unique design for sensitive, real-time measurements of alpha particle emissions. Scintillating plates are stacked close together so that alpha-particle emissions in the flowing gas stream strike a plate. The light pulses produced when the alpha particle strikes the plate are registered by photomultiplier tubes and processed to determine the concentration of alpha emitting radionuclides present in the air. This technology directly addresses the public`s demand for fast responding, high sensitivity effluent monitoring systems. With Department of Energy (DOE) EM-50 funding LANL has fabricated a beach-top proof of concept detector system and is conducting tests to evaluate its performance. A second generation prototype is being designed, based on requirements driven by potential field test sites. An industrial partner is being solicited to license the technology. Field trials of a full-scale detector system are planned for fiscal year 1995. In this paper the LVFTDS technology is explained, including the measured performance of a prototype detector. The advantages, disadvantages, and other ramifications of applying this technology to incinerator effluent monitoring are also discussed. An overview of the development effort is also provided.
- Research Organization:
- Los Alamos National Lab., NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 10180371
- Report Number(s):
- LA-UR--94-2691; CONF-940528--6; ON: DE94018075
- Country of Publication:
- United States
- Language:
- English
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