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    The Universal Closed System for Liquids

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    Many methods have been developed to control accidental contamination from liquid pesticides. They comprise “dry-break” or dripless connectors, and closed systems. The latter result from progressive legislation in California that restricts the open pouring of liquid pesticides.

    The usual method for extracting pesticides from containers employs a removable, reusable probe, which is always contaminated. A new means to avoid contamination, the Universal Closed System, currently in development, uses a built-in disposable probe and valve in each container. The valve is dripless and is always closed unless activated by a unique extractor.

    Field testing has shown the system to be safe, reproducible, and easy to use. Anticipated costs are at acceptable levels.


    Universal Closed System, liquid pesticides, contamination

    Author Information:

    Reynolds, R
    Consultant, Packaging/Application, Greensboro, NC

    Committee/Subcommittee: E35.22

    DOI: 10.1520/STP25876S