Public Domain Picture: Thought to be from the 1970s, this historic image provided by the Center for Disease Control's (CDC), National Institute for Occupational Sa

By: CDC/ Barbara Jenkins, NIOSH, Courtesy: Public Health Image Library

Views: 973 | Downloads: 7

Thought to be from the 1970s, this historic image provided by the Center for Disease Control's (CDC), National Institute for Occupational Sa

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Title:

Thought to be from the 1970s, this historic image provided by the Center for Disease Control's (CDC), National Institute for Occupational Sa

Description:

Thought to be from the 1970s, this historic image provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH), depicted two women who were seated at their Ozalid workstations in a printing company's production suite. The Ozalid printing process involves the creation of imagery on paper that has been coated with an ultraviolet-sensitive di-azo chemical. The paper is sandwiched together with the film, and exposed to UV light, which passes through the film, thereby, transferring the image to the paper. Note that the women were not wearing any filtered breathing masks, which in this case, where ammonia is used in the developing process, would be needed without appropriate ventilation. Hopefully, the room was well ventilated.

Creator:

CDC/ Barbara Jenkins, NIOSH

Source:

Public Health Image Library

Views:

973

Downloads:

Date Added:

November 27, 2012

Download: Largest

Size: 700 x 487
File size: 48.4 KB
File type: jpg

Free

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Produced by United States Government

The file available on this page is a work of the United States government. A work of the United States government, as defined by United States copyright law, is "a work prepared by an officer or employee of the U.S. government as part of that person's official duties." In general, under section 105 of the Copyright Act, such works are not entitled to domestic copyright protection under U.S. law.

Where is this picture from?

Public Health Image Library

Created by a Working Group at the Centers for Disease Control and Prevention (CDC), the PHIL offers an organized, universal electronic gateway to CDC's pictures. They welcome public health professionals, the media, laboratory scientists, educators, students, and the worldwide public to use this m

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