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Workplace assessment of exposure to 2-ethoxyethanol.

Authors
Clapp-DE; Smallwood-AW; Moseley-C; DeBord-KE
Source
Appl Ind Hyg 1987 Sep; 2(5):183-187
NIOSHTIC No.
00172728
Abstract
The possibility of using urinary monitoring as a tool for assessing exposure to 2-ethoxyethanol (110805) (2EE) was investigated, particularly under conditions where skin absorption was prevalent. The study was conducted at a facility where airborne concentrations of 2EE ranged up to 20 parts per million (ppm) in certain areas of the workplace throughout the week. These exposure levels had existed for at least 4 years. The company casted precision metal parts including castings for pumps, compressors, turbochargers, and devices for surgical bone repair and replacement. During the process ceramic shells for casting the metal part were prepared by immersing a wax replica in a ceramic slurry which contained about 10 percent 2EE by volume. Between dips the shells were suspended or stored on open racks to dry. The room air was kept in constant motion through the use of fans. The highest open air area samples found at this time approached 20ppm. Personal air samples ranged up to 24ppm. Hand dippers had the highest continual exposure levels ranging from 12 to 19ppm over their entire work shift. Blood samples revealed no detectable levels of 2EE. Urine monitoring of exposed workers did reveal positive evidence of 2EE absorption. The hand dippers results were higher than the supervisor, which agreed with the lower exposure experienced by the supervisor during the workshift. Samples collected from nonexposed workers were consistently negative. The authors recommended the use of the urinalysis for monitoring exposure to 2EE in the workplace.
Keywords
NIOSH-Author; Metal-workers; Hydrocarbons; Organic-vapors; Ethanols; Skin-exposure; Skin-absorption; Biological-monitoring
CODEN
AIHYEX
CAS No.
110-80-5
Publication Date
19870901
Document Type
Journal Article
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Issue of Publication
5
ISSN
0882-8032
NIOSH Division
DBBS
Source Name
Applied Industrial Hygiene
State
GA; OH
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