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Acute health effects and occupational exposure from asphalt paving.

Authors
Feng-H; Tepper-A; Burr-G
Source
Proceedings of the 2002 American Statistical Association, Section on Statistics and the Environment. Alexandria, VA: American Statistical Association, 2003 Mar; :1-3
NIOSHTIC No.
20025583
Abstract
This study examines associations between acute irritant symptoms and exposure to two types of asphalt used during road paving, conventional (CON) and crumb-rubber-modified (CRM). The main measure of exposure was airborne total particulates (TP); several other specific airborne contaminants also were assessed. A repeated measurement design was utilized, with each worker contributing 2 person days of observation. A total of 84 person-days were CON-exposed and 96 person-days were CRM-exposed. A symptoms score (the sum of all occurrences during the day) was calculated for each of the following symptoms: eye, nose, and throat irritation, cough, shortness of breath, and wheeze. The exposure-response associations were assessed by linking symptom scores with contaminant levels. Results from mixed model analysis suggests that asphalt type was associated with eye, nose, and throat irritation, and with cough. CRM exposure was associated with increased symptom occurrence. Controlling for asphalt type, TP was associated with nose irritation. These results suggest the need for improving exposure controls for asphalt paving workers.
Keywords
Asphalt-fumes; Asphalt-industry; Road-construction; Road-surfacing; Eye-irritants; Respiratory-irritants; Respiratory-system-disorders; Pulmonary-system-disorders; Construction-workers
Contact
National Institute for Occupational Safety and Health, 4676 Columbia Parkway, MS- R3 , Cincinnati, Ohio, 45226, USA
Publication Date
20030301
Document Type
Conference/Symposia Proceedings
Fiscal Year
2003
NTIS Accession No.
NTIS Price
NIOSH Division
DART; DSHEFS
Source Name
Proceedings of the 2002 American Statistical Association, Section on Physical and Engineering Sciences
State
OH; VA; NY
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