page_title: Long-time nuclear waste warning messages
hierarchical_section_title: Long-time nuclear waste warning messages
caption_attribution_description: Pictrogramm intended to demonstrate the dangers at a nuclear waste burial site
context_page_description: Long-time nuclear waste warning messages are intended to deter human intrusion at nuclear waste repositories in the far future, within or above the order of magnitude of 10,000 years. Nuclear semiotics is an interdisciplinary field of research, first done by the Human Interference Task Force in 1981.
  A 1993 report from Sandia National Laboratories recommended that any such message should comprise four levels of increasing complexity:
  Level I: Rudimentary Information: "Something man-made is here"
  Level II: Cautionary Information: "Something man-made is here and it is dangerous"
  Level III: Basic Information: Tells what, why, when, where, who, and how
  Level IV: Complex Information: Highly detailed written records, tables, figures, graphs, maps and diagrams
context_section_description: Long-time nuclear waste warning messages are intended to deter human intrusion at nuclear waste repositories in the far future, within or above the order of magnitude of 10,000 years. Nuclear semiotics is an interdisciplinary field of research, first done by the Human Interference Task Force in 1981.
  A 1993 report from Sandia National Laboratories recommended that any such message should comprise four levels of increasing complexity:
  Level I: Rudimentary Information: "Something man-made is here"
  Level II: Cautionary Information: "Something man-made is here and it is dangerous"
  Level III: Basic Information: Tells what, why, when, where, who, and how
  Level IV: Complex Information: Highly detailed written records, tables, figures, graphs, maps and diagrams
caption: Proposed pictogram warning of the dangers of buried nuclear waste at the Waste Isolation Pilot Plant
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