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Description
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The witness, a Chemist at Oak Ridge National Laboratory, testified for the defendants as an expert witness. A voir dire examination established his credentials. He discussed the methodology of the sixteen-city study that examined the effects of environmental tobacco smoke. He indicated that Oak Ridge has done work in the past for the CTR and the Center for Indoor Air Research. He said that he found no evidence of data being altered in the sixteen-city study, nor any improper conduct on behalf of R.J. Reynolds. He claimed that there has never been a study in this country as large as the sixteen-city study. He stated that the purpose of the study was to determine the level of exposure to secondhand smoke in both the workplace and at home. He discussed various definitions of secondhand smoke. The witness detailed his research on secondhand smoke and flight attendants. He measured flight attendants exposure on an annual basis, including concentration of exposure, time and breathing rate. He concluded that the amount of secondhand smoke entering the lungs of flight attendants was substantially less than that in other settings where employees are exposed to secondhand smoke. He estimated that flight attendants' exposures are between one-fifth and one-fifteenth of the amount of secondhand smoke exposure of someone living with a smoker. He reviewed the differences between mainstream, sidestream and environmental smoke. he indicated that concentration is the most important variable in the smoke exposure formula.
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