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Elemental composition of suspended particulates as functions of space and time in Cleveland, OhioAn approach to the analysis of a very large elemental concentration data set. The particular data considered was generated by instrumental neutron activation and emission spectroscopy analyses of over 750 24-hour ambient air particulate samples collected at 16 sites in Cleveland, Ohio, during the 15 months from August 1971 thru October 1972. Examples are presented that show the use of multiple approaches to interpreting the data, including pairwise correlation statistics, selective data plotting and cluster analysis.
Document ID
19750013758
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Neustadter, H. E. (NASA Lewis Research Center Cleveland, OH, United States)
King, R. B. (NASA Lewis Research Center Cleveland, OH, United States)
Fordyce, J. S. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
January 1, 1975
Subject Category
Environment Pollution
Report/Patent Number
NASA-TM-X-71688
E-8288
Meeting Information
Meeting: Ann. Meeting of the Air Pollution Control Assoc.,
Location: Boston, MA
Country: United States
Start Date: June 15, 1975
End Date: June 20, 1975
Accession Number
75N21830
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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