Direct determination of /sup 222/Rn gas using the electret to remove daughters at formation
Five compact, portable, continuous /sup 222/Rn monitors have been constructed inhouse. Printed data can be obtained from intervals ranging from 10 minutes to 990 minutes. One hour count interval provides a lower limit of detection of 0.03 pCi /sup 222/Rn/l/sup -1/ which is sufficient for measurement of any environmental level encountered. Calibration of the units was accomplished in the EML radon calibration room and the typical calibration factor is 165 counts per hour per pCi /sup 222/Rn/l. The units are now being field tested. Two indoor/outdoor pairs are located in a single family dwelling and in a high rise apartment. One unit is being used for special studies.
- Research Organization:
- New York Univ., NY (USA). Medical Center
- DOE Contract Number:
- AC02-80EV10374
- OSTI ID:
- 5640925
- Report Number(s):
- DOE/EV/10374-1; ON: DE82005465
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440101* -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
500300 -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ALPHA DECAY RADIOISOTOPES
CALIBRATION
DAYS LIVING RADIOISOTOPES
DETECTION
DIELECTRIC MATERIALS
ELECTRETS
EVEN-EVEN NUCLEI
FIELD TESTS
HEAVY NUCLEI
ISOTOPES
MATERIALS
MEASURING INSTRUMENTS
MONITORS
NUCLEI
RADIATION DETECTION
RADIATION MONITORS
RADIOISOTOPES
RADON 222
RADON ISOTOPES
RESEARCH PROGRAMS
TESTING
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
500300 -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ALPHA DECAY RADIOISOTOPES
CALIBRATION
DAYS LIVING RADIOISOTOPES
DETECTION
DIELECTRIC MATERIALS
ELECTRETS
EVEN-EVEN NUCLEI
FIELD TESTS
HEAVY NUCLEI
ISOTOPES
MATERIALS
MEASURING INSTRUMENTS
MONITORS
NUCLEI
RADIATION DETECTION
RADIATION MONITORS
RADIOISOTOPES
RADON 222
RADON ISOTOPES
RESEARCH PROGRAMS
TESTING