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Trends in occupational lead exposure since the 1978 OSHA lead standard.

Authors
Okun-A; Cooper-G; Bailer-AJ; Bena-J; Stayner-L
Source
Am J Ind Med 2004 Jun; 45(6):558-572
NIOSHTIC No.
20024857
Abstract
The purpose of the study was to evaluate trends in occupational lead exposures throughout U.S. industry after the establishment of the general industry lead standard in 1978 and the construction industry standard in 1993. Lead exposure measurements collected by the Occupational Safety and Health Administration (OSHA) under their compliance and consultation programs were analyzed. Time trends in the distributions of exposure levels were evaluated graphically. Trends in the proportion of exposures above the OSHA permissible exposure limit (PEL) were analyzed using logistic regression models. The distribution of lead exposure levels declined over the study time period for general industry, but not for construction. The median exposure levels for general industry facilities decreased five- to tenfold. Logistic regression models reveal statistically significant declines in the odds of a lead exposure exceeding the PEL. This study provides evidence for relatively large decreases in lead exposure levels in general industry facilities over time. The study does not provide similar evidence for the construction industry. Given the limited number of years of data available since the implementation of the revised construction standard for lead, re-analysis of lead exposure levels within this industry would be worthwhile when more data become available.
Keywords
Lead-compounds; Exposure-limits; Standards; Regulations; Construction; Mathematical-models; Statistical-analysis; Author Keywords: lead; exposure; OSHA; regulation; inspection; consultation; trends
CODEN
AJIMD8
CAS No.
7439-92-1
Publication Date
20040601
Document Type
Journal Article
Fiscal Year
2004
NTIS Accession No.
NTIS Price
Issue of Publication
6
ISSN
0271-3586
NIOSH Division
EID
Source Name
American Journal of Industrial Medicine
State
OH; CA; IL
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