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Subject National Institute for Occupational Safety and Health Remove constraint Subject: National Institute for Occupational Safety and Health

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    • 1970s

    General view of an unidentified female technician inserting a sample of an organic solvent into a Perkin-Elmer gas chromatograph at a laboratory associated with the National Institute for Occupational Safety and Health…

    • 1970s

    General view of an unidentified female technician inserting a sample into a Perkin-Elmer Model F-30 Gas Chromatograph for analysis at the the National Institute for Occupational Safety and Health (NIOSH) Hazards…

    • 1970s

    General view of an unidentified chemist conducting an analysis using a Perkin-Elmer Model 403 Atomic Absorption Spectrophotometer in a laboratory associated with the National Institute for Occupational Safety and Health…