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NIOSH researchers take issue with comments by XRF company spokesman.

Authors
Ashley-K; Schlecht-PC
Source
Lead Detect Abat Contract 1998 Feb; 5(1):13
Link
NIOSHTIC No.
20039765
Abstract
The fact still remains that a considerable number of measurements were made and a large consistent bias and imprecision for direct on-surface XRF measurements were found. The owner of the Florida property where the Ashley et al. study was conducted cares very little if the XRF performed well on the surfaces in the MRI repository in Kansas City or if the instruments meets the requirements of XRF performance characteristic sheets. The owner does not care that the ultrasonic extraction with ASV analysis performed well in the ELPAT Program or in other instrument evaluation studies conducted at NIOSH, or that considerable effort has been expended by government and the private sector to develop the NLLAP Program, The owner wants an accurate lead determination so he or she makes the correct decisions concerning abatement and/or worker protection. The Ashley et al. study gives a simple graphical comparison of three field methods against laboratory analysis that can be readily understood by the client.
Keywords
Laboratory-workers; Heavy-metals; Quantitative-analysis; Chemical-analysis; Analytical-methods; Analytical-processes; Analytical-chemistry; Lead-dust; X-ray-fluorescence-analysis; Sampling; Laboratory-testing; Measurement-equipment; Quality-control
CAS No.
7439-92-1
Publication Date
19980201
Document Type
Other
Fiscal Year
1998
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
1074-6714
NIOSH Division
DPSE
Source Name
Lead Detection and Abatement Contractor
State
OH
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