TABLE 4-1 Effects of Jet Fuel Exposure on the Respiratory Tract in Humans

Exposure Concentration

Exposure Duration

Results

Reference

Not reported

222 full-time airport employees divided into three exposure groups; high-exposure group, 56 participants exposed for most of day; moderate-exposure group, 83 participants exposed for 1 hr/day; no-exposure group, 86 participants

Adjusted odds ratios for cough with phlegm (3.5) and for runny nose (2.9) significantly associated with frequent exposure; adjusted odds ratios for symptoms of watering eyes, stuffy nose, wheezing, shortness of breath not significant

Tunnicliffe et al. 1999

Exposed group (5,706) had potential occupational exposure to JP-8; control group (5,706) did not work in occupations in which exposure to JP-8 would occur; all subjects were active duty members of US Air Force

Not reported

Analysis of medical records showed that subjects in all groups had similar health-care visit rates; no differences among groups in respiratory illnesses

Gibson et al. 2001aa

Measurements taken in breathing zones of subjects; median concentration of naphthalene, 1.9 μg/m3 (low-exposure group), 10.4 μg/m3 (moderate-exposure group), 447 μg/m3 (high-exposure group); median concentration of benzene, 3.1 μg/m3 (low-exposure group), 7.45 μg/m3 (moderate-exposure

High- and moderate-exposure groups had persistent exposure to JP-8 (defined as at least 1 hr twice per wk for at least 9 mo); low-exposure group had no significant exposure to jet fuel or solvents

Analysis of self-assessment questionnaire did not report differences among groups in measures related to respiratory tract, such as difficulty in breathing

Gibson et al. 2001ba



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