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Volatilization of mineral oil mist collected on sampling filters.
McAneny JJ; Leith D; Boundy MG
Appl Occup Environ Hyg 1995 Sep; 10(9):783-787
A study was conducted on the evaporation of mineral oil from polyvinyl-chloride and glass fiber filters, the materials recommended by NIOSH for the collection and analysis of mineral oil mists. The volatilization of mineral oil was assessed by comparing the weights of filters 4 hours following collection of fresh and used mineral oil mists on glass fiber and polyvinyl-chloride filters with the weights determined immediately after oil deposition. A similar analysis was conducted using an electrostatic precipitator. About 35% of the original mass of fresh mineral oil on glass fiber and polyvinyl-chloride filters was lost, while used mineral oil lost about 12% of its original mass after 4 hours. Significantly fewer evaporative losses were seen using the electrostatic precipitator. The authors conclude that use of the current NIOSH recommended analytical method for evaluation of worker exposure to mineral oil mist may underestimate the true mist concentration if the mineral oil contains volatile fractions.
NIOSH-Publication; NIOSH-Grant; Training; Mineral-oils; Occupational-exposure; Analytical-methods; Chemical-analysis; Sampling-equipment
Environmental Sciences & Engr University of North Carolina 311 Pittsboro St Chapel Hill, NC 27599-7410
Issue of Publication
Applied Occupational and Environmental Hygiene
University of North Carolina Chapel Hill, Chapel Hill, North Carolina
Page last reviewed: October 5, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division