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Engineering control technology in polyvinyl chloride polymerization plants.

J A Gideon

    Journal of Environmental Pathology and Toxicology
    |May 1, 1979
    PubMed
    Summary
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    Effective control technologies for vinyl chloride monomer (VCM) in plastics and resins polymerization plants have been identified. Implementing these measures ensures worker protection against occupational illness from VCM exposure.

    Area of Science:

    • Occupational Health and Safety
    • Chemical Engineering
    • Polymer Science

    Background:

    • The National Institute for Occupational Safety and Health (NIOSH) is researching control technologies to prevent occupational illnesses.
    • A recent assessment focused on the plastics and resins industry, particularly PVC polymerization.
    • Stricter exposure limits for vinyl chloride monomer (VCM) necessitate advanced control strategies.

    Purpose of the Study:

    • To document and evaluate effective control technologies for plastics and resins polymerization plants.
    • To identify specific controls for PVC polymerization processes.
    • To address the challenges posed by the reduced personal exposure limit for VCM.

    Main Methods:

    • Review and assessment of existing control technologies in PVC polymerization plants.

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  • Focus on suspension, bulk, and dispersion polymerization methods.
  • Evaluation of various control measures including engineering, administrative, and personal protective equipment.

    • Main Results:

    • Identified effective controls for managing VCM exposure in PVC manufacturing.
    • Highlighted the importance of a multi-faceted approach to VCM control.
    • Detailed a range of necessary controls including process modification, ventilation, and personal protective equipment.

    Conclusions:

    • An integrated system of controls is essential for worker protection in VCM handling.
    • Effective VCM control requires a combination of engineering solutions, work practices, and ongoing management commitment.
    • Continuous effort from both workers and management is crucial for maintaining a safe working environment.