DS55S5S6S8: Interlaboratory Cooperative Study of the Precision and Accuracy of the Measurement of Lead in the Atmosphere Using the Colorimetric Dithizone Procedure

    Foster, J. F.

    Beatty, G. H.

    Howes, J. E.

    Pages: 79    Published: Jun 1975


    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.

    Paper ID: MNL11980D

    Committee/Subcommittee: D22.05

    DOI: 10.1520/MNL11980D

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    ISBN13: 978-0-8031-0387-0