In-place HEPA (high efficiency, particulate air) filter testing at Hanford: Operating experiences, calibrations, and lessons learned
Conference
·
OSTI ID:5461150
High Efficiency, Particulate Air (HEPA) Filters provide a minimum of 99.97% removal efficiency for particles greater than or equal to .3 microns in diameter. Each HEPA filter installation at Hanford is, at specified intervals, functionally tested for leaks. The test procedure involves a dioctylphthalate (DOP) smoke generator and a calibrated airborne particle detector. The DOP generator produces smoke of a known quantitative particle size distribution upstream of the filter. The airborne particle detector is first placed upstream, and then downstream of the filter to determine percent penetration. The smoke generator is characterized using a calibrated laser spectrometer, and the particle detector is calibrated using a calibrated picoammeter. 2 refs., 4 figs.
- Research Organization:
- Westinghouse Hanford Co., Richland, WA (USA)
- Sponsoring Organization:
- DOE/DP
- DOE Contract Number:
- AC06-87RL10930
- OSTI ID:
- 5461150
- Report Number(s):
- WHC-SA-0775; CONF-8910260--2; ON: DE90003357
- Country of Publication:
- United States
- Language:
- English
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11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
54 ENVIRONMENTAL SCIENCES
540130 -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (1990-)
AEROSOLS
AIR FILTERS
CALIBRATION
CARBOXYLIC ACID SALTS
COLLOIDS
DISPERSIONS
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HANFORD RESERVATION
LEAK TESTING
MEASURING INSTRUMENTS
NATIONAL ORGANIZATIONS
PHTHALATES
POLLUTION CONTROL EQUIPMENT
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SMOKES
SOLS
SPECTROMETERS
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US DOE
US ERDA
US ORGANIZATIONS