The High Altitude Sampling Program: Radioactivity in the stratosphere: Final report
Radioactivity data are presented from Project Airstream (aircraft) for the year 1983 and for Project Ashcan (balloon) for the years 1982 and 1984. Due to budgetary constraints both Projects Airstream and Ashcan have been terminated. This will be the final report containing radioactivity data collected during projects airstream and ashcan. Included are gross gamma, gamma spectral and radiochemical analyses of filter samples. Quality control samples submitted along with the air filter samples were analyzed and the results are presented. Low activity on many of the filters precludes the estimation of the stratospheric inventories of /sup 239,240/Pu and /sup 90/Sr. Based on data with count errors <20%, the mean Northern Hemisphere stratospheric /sup 90/Sr and /sup 239,240/Pu concentration for November 1983 was 0.2 +- 0.1 and 0.009 +- 0.006 Bq/1000 scm, respectively.
- Research Organization:
- USDOE Environmental Measurements Lab., New York
- OSTI ID:
- 6723409
- Report Number(s):
- EML-458; ON: DE87006310
- Country of Publication:
- United States
- Language:
- English
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54 ENVIRONMENTAL SCIENCES
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMICAL ANALYSIS
EARTH ATMOSPHERE
ECOLOGICAL CONCENTRATION
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
GAMMA SPECTRA
HEAVY NUCLEI
INTERMEDIATE MASS NUCLEI
ISOTOPES
MONITORING
NUCLEI
PLUTONIUM 239
PLUTONIUM 240
PLUTONIUM ISOTOPES
QUANTITATIVE CHEMICAL ANALYSIS
RADIATION MONITORING
RADIOACTIVITY
RADIOCHEMICAL ANALYSIS
RADIOECOLOGICAL CONCENTRATION
RADIOISOTOPES
SPECTRA
STRATOSPHERE
STRONTIUM 90
STRONTIUM ISOTOPES
YEARS LIVING RADIOISOTOPES