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Measuring exposures to glycol ethers.
Clapp-DE; Zaebst-DD; Herrick-RF
Environ Health Perspect 1984 Aug; 57:91-95
An epidemiological survey was conducted to quantify glycol-ether (8042522) (GE) exposure in various industries. The survey was conducted over a 2 year period and included exposure measurements in coal mining, painting trades, production blending and distribution facilities, aircraft fueling, and communications equipment repair facilities. Breathing samples were collected from all facilities and blood from one facility. Samples from a facility engaged in production, chemical mixing, and distribution of chemicals revealed personal exposures of up to 0.1, 0.6, 1.2, and 2.8 parts per million (ppm) 2-butoxyethanol (111762), 2-ethoxyethanol (110805), 2- ethoxyethyl-acetate (111159), and 2-methoxyethanol, respectively, while area concentration exposures ranged from 0.5 to 1.5, 0.4 to 1.1, and no detection to 1.7ppm 2-ethoxyethanol, 2-ethoxyethyl- acetate, and 2-butoxyethanol, respectively. All values were below what are considered permissible exposure limits (PEL). Samples collected from an Air Force base showed concentrations of 2- methoxyethanol to be below 1.0ppm. A single result of 4.7ppm occurred when a bypass valve was opened during refueling operations. Blood samples taken from workers in a communications equipment service center showed all values for 2-ethoxyethanol to be below the limit of detection (less than 5 micrograms per liter). Breathing samples obtained from this same facility showed from 0.18 to 0.58ppm of 2-ethoxyethanol. The latter values were in the PEL. Personal samples taken from spray painting industries showed typical concentrations of 2.3, 0.75, and 0.37ppm for monomethyl-GE, monobutyl-GE (111762), and monoethyl-GE, respectively. In the screen painting operations, the highest exposure to 2-butoxyethanol and 2-butoxyethyl-acetate (112072) was 1.4 and 0.75ppm, respectively.
NIOSH-Author; Exposure-levels; Employee-exposure; Occupational-exposure; Air-quality-measurement; Medical-surveys; Analytical-methods; Health-protection; Throat-disorders; Industrial-chemicals; Toxic-vapors
8042-52-2; 111-76-2; 110-80-5; 111-15-9; 111-76-2; 112-07-2
Environmental Health Perspectives
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Content source: National Institute for Occupational Safety and Health Education and Information Division