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Subject United States. Environmental Protection Agency Remove constraint Subject: United States. Environmental Protection Agency

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    • 1970s

    General view of an unidentified chemist preparing an oil sample for analysis by a Perkin-Elmer Model 727 Infrared Spectrophotometer in a mobile laboratory for the Environmental Protection Agency's Oil and Hazardous…

    • 1970s

    General view of Dr. Eva Wittgenstein inserting a sample into a Perkin-Elmer Model 621 Grating Infrared Spectrophotometer in use at a facility associated with the Laboratory Methods Research Section of the Environmental…

    • 1972-Mar-27

    General view of chemist William A. Lonneman preparing an air sample for analysis by three Perkin-Elmer gas chromatographs in an Environmental Protection Agency (EPA) mobile laboratory. Per notations accompanying the…

    • 1970s

    General view of an unidentified chemist operating a Perkin-Elmer gas chromatograph in an Environmental Protection Agency (EPA) Region II laboratory located in Edison, New Jersey. Per notations accompanying the…

    • 1970s

    General view of an unidentified employee using a Perkin-Elmer fluorescence spectrophotometer in a mobile laboratory for the Environmental Protection Agency's Oil and Hazardous Materials Spills branch. Per notations…

    • 1970s

    General view of an unidentified female employee pouring a water sample into the tray of a Perkin-Elmer Autosampler at an Environmental Protection Agency (EPA) laboratory facility located in Edison, New Jersey. Per…

    • 1970s

    General view of an unidentified laboratory technician operating a Perkin-Elmer Model 303 Atomic Absorption Spectrophotometer at an Environmental Protection Agency facility. Per notations accompanying the photograph, the…

    • circa 1975

    This instrument was developed for the Environmental Protection Agency in 1975 by Beckman Instruments' Advanced Technology Operations. This portable instrument uses a charcoal trap to detect vinyl chloride (a…

    • 1970s

    Twenty-five EPA stations were outfitted with this monitor for the St. Louis Regional Air Pollution Study in the early 1970s.

    Beckman Instruments entered the gas chromatograph business in 1956 with the acquisition of…