Interlaboratory Cooperative Study of the Precision and Accuracy of the Measurement of Lead in the Atmosphere Using the Colorimetric Dithizone Procedure

    Published: Jun 1975

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    This report presents the results obtained from an experimental study of the accuracy and precision of measurements of particulate and vaporous lead using a colorimetric dithizone procedure as described in ASTM Method D-3112. Measurements of lead concentration in spiked and unspiked atmospheric air samples were performed by eight participating laboratories at three test sites: Los Angeles, California; Bloomington, Indiana; and New York, New York. The first series of field tests were conducted at the University of Southern California on August 15–21, 1971; the second series of field tests were conducted at Indiana University on October 24–30, 1971; and the third series of field tests were conducted at Cooper Union (New York City), on January 9–15, 1972. All measurements were made according to a tentative ASTM method for lead in the atmosphere from which ASTM Method D 3112 evolved.

    Author Information:

    Foster, J. F.

    Beatty, G. H.

    Howes, J. E.

    Committee/Subcommittee: D22.05

    DOI: 10.1520/MNL11980D

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    ISBN13: 978-0-8031-0387-0