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johnballandmiketilford

  • Subcontracted Tree Care
    June 5, 2025

    Safety Update: Who Is a Tree Worker?

    By John Ball, Ph.D., CTSP and Mike Tilford, CTSP

    Who is a tree worker? The Occupational Safety and Health Administration (OSHA) spent a lot of time and effort defining this – through the questions they asked of small business representatives during SBREFA (Small Business Regulatory Enforcement Fairness Act) – [...]

    read more
  • April 1, 2023

    Head Protection: Selection, Care and Retiring of Helmets

    By John Ball, Ph.D., CTSP and Mike Tilford, CTSP

    It was just another workday for Tom. The gear was loaded on the truck, everyone piled in and then the drive to the morning’s worksite. The crew had worked together for a couple of years, so everyone knew what their [...]

    read more

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