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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Childhood lead poisoning investigations: evaluating a portable instrument for testing soil lead.
    Author: Reames G, Lance LL.
    Journal: J Environ Health; 2002 Apr; 64(8):9-13, 25. PubMed ID: 11930816.
    Abstract:
    The Childhood Lead Poisoning Prevention Branch of the California Department of Health Services evaluated a portable X-ray fluorescence (XRF) instrument for use as a soil lead-testing tool during environmental investigations of lead-poisoned children's homes. A Niton XRF was used to test soil at 119 sampling locations in the yards of 11 San Francisco Bay Area houses. Niton XRF readings were highly correlated with laboratory results and met the study criteria for an acceptable screening method. The data suggest that the most health-protective and time-efficient approach to testing for soil lead above regulatory levels is to take either surface readings or readings of a test cup of soil prepared by grinding with a mortar and pestle. The advantage of the test cup method is that the test cup with soil may be submitted to a laboratory for confirmatory analysis.
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