General view of an unidentified laboratory technician using a Perkin-Elmer Model 403 Atomic Absorption Spectrophotometer to test the lead content of a urine sample in the industrial hygiene laboratory at the Electric Storage Battery Company (ESB) in Philadelphia. Per notations accompanying the photograph, this testing was part of comprehensive industrial hygiene program to ensure worker health and safety in lead-hazardous areas and to ensure compliance with OSHA regulations.
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Perkin-Elmer Corporation. “Perkin-Elmer Atomic Absorption Spectrophotometer in Use at Industrial Hygiene Laboratory,” 1970–1979. Photographs from the Perkin-Elmer-Applera Collection, Box 4. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/9g54xj45n.
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