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ELPAT program: background and current status.

Authors
NIOSH
Source
Appl Occup Environ Hyg 1996 Jan; 11(1):10-16
NIOSHTIC No.
00232133
Abstract
The proficiency of the Environmental Lead Proficiency Analytical Testing (ELPAT) Program was evaluated for lead (7439921) in paint chips, soil, and dust wipes sent to various laboratories. Reference laboratories are preselected to provide performance limits for each sample. There were 389 laboratories enrolled for round 12 of the ELPAT Program. Agreement among the reference laboratories was demonstrated by relative standard deviations ranging from 4.8 to 9.5% for paint chips, 6 to 13.3% for soils, and 6.9 to 11.2% for dust wipes. The percentage of outliers for all samples was less than 9.9%. Statistical significance tests to detect bias among sample preparation and instrumental methods found that paint chip bias ranged from 3 to 15%, soil bias 2 to 10%, and dust wipes 6 to 26%. The ELPAT program began providing paint chip, soil and dust wipe samples to laboratories to evaluate their performance in 1992 and has grown to 300 participating laboratories. Laboratory accreditation involves submittal of a description of a laboratory's quality system and manual to the accrediting organization and an onsite evaluation. Information on how to contact the ELPAT Program was provided in the article.
Keywords
NIOSH-Author; Lead-compounds; Heavy-metals; Environmental-health-monitoring; Paints; Quality-control; Chemical-analysis; Quality-standards
CODEN
AOEHE9
CAS No.
7439-92-1
Publication Date
19960101
Document Type
Journal Article
Editors
Schlecht-PC; Groff-JH
Fiscal Year
1996
NTIS Accession No.
NTIS Price
Issue of Publication
1
ISSN
1047-322X
Source Name
Applied Occupational and Environmental Hygiene
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