Passive Institutional Controls

Technical Basis

Materials Analysis – evaluation of permanent marker conceptual design elements

Monument Survey – examination of regional stone and ancient petroglyphs

Ancient Cementitious Materials – literature review of sustainable manmade structures

Conceptual design, plans, and description - as submitted to U.S. EPA as part of the application to open WIPP

10,000 years of Solitude – independent analysis - 1990

Expert Judgment on Inadvertent Intrusion into WIPP - 1991

Expert Judgment on Markers used to deter Intrusion - 1993

Conceptual Basis

Conceptual design drawings – collection of images depicting a potential marker system for WIPP

First Web-page used to explain warning message and early concepts

Early concepts – images and symbols