This historical image was provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH). The photograph depicted two public health scientists in the process of testing samples, which were gathered during a public health study that measured the air quality inside the factories involved in the production of hats from animal furs. Neither man was wearing gloves, or filtered breathing masks, but did 'seem' to be wearing protective eyewear.
CDC/ Barbara Jenkins, NIOSH
November 27, 2012
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