Nanoremediation: Potential Human and Environmental Risks
Nanoremediation: Potential Human and Environmental Risks Stephen R. Clough, Ph.D., DABT Senior Toxicologist Haley & Aldrich, Inc.
Nanoremediation: Potential Human and Ecological Risk Steve Clough, Ph.D., DABT Environmental Business Council Of New England Tuesday, April 10, 2012
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Haley & Aldrich, Inc.
Presentation Outline • Brief introduction to nanotechnology • What are nanomaterials and what is their “scale” • Living in a nanomaterial world • Brief introduction to nano zerovalent iron (nZVI) • Potential Human and Ecological Risks
• Conclusion
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Haley & Aldrich, Inc.
What is Nanoremediation? Nanoremediation (or nano-enhanced remediation): • The use of nanotechnology in the improvement of a contaminated site to prevent, minimize or mitigate damage to human health or the environment. • The use of nanotechnology to reinstate land or ecosystem (e.g. surface water; sediment) to the original state
Center for NanoBioSafety and Sustainability:http://www.cnbss.eu/editorial_post3.php 4
Haley & Aldrich, Inc.
What is a nanomaterial? Richard Feynman’s Caltech speech: “There’s Plenty of Room at the Bottom”:
“Why can’t we write the entire 24 volumes of the Encyclopedia Brittanica on the head of a pin?” “Now, the name of this talk is "There is Plenty of Room at the Bottom" – not just "There is Room at the Bottom”
“What would our librarian at Caltech say….if…..ten years from now, all of the information that she is struggling to keep track of – 120,000 volumes, stacked from the floor to the ceiling, drawers full of cards, storage rooms full of the older books – can be kept on just one library card!” THIS SPEECH WAS WRITTEN IN 1959! Suggested reading: http://www.zyvex.com/nanotech/feynman.html 5
Haley & Aldrich, Inc.
What is a nanomaterial? ASTM Definition: • Nanomaterial: • Nanoparticle:
Nanoremediation: Potential Human and Ecological Risk Steve Clough, Ph.D., DABT Environmental Business Council Of New England Tuesday, April 10, 2012
2
Haley & Aldrich, Inc.
Presentation Outline • Brief introduction to nanotechnology • What are nanomaterials and what is their “scale” • Living in a nanomaterial world • Brief introduction to nano zerovalent iron (nZVI) • Potential Human and Ecological Risks
• Conclusion
3
Haley & Aldrich, Inc.
What is Nanoremediation? Nanoremediation (or nano-enhanced remediation): • The use of nanotechnology in the improvement of a contaminated site to prevent, minimize or mitigate damage to human health or the environment. • The use of nanotechnology to reinstate land or ecosystem (e.g. surface water; sediment) to the original state
Center for NanoBioSafety and Sustainability:http://www.cnbss.eu/editorial_post3.php 4
Haley & Aldrich, Inc.
What is a nanomaterial? Richard Feynman’s Caltech speech: “There’s Plenty of Room at the Bottom”:
“Why can’t we write the entire 24 volumes of the Encyclopedia Brittanica on the head of a pin?” “Now, the name of this talk is "There is Plenty of Room at the Bottom" – not just "There is Room at the Bottom”
“What would our librarian at Caltech say….if…..ten years from now, all of the information that she is struggling to keep track of – 120,000 volumes, stacked from the floor to the ceiling, drawers full of cards, storage rooms full of the older books – can be kept on just one library card!” THIS SPEECH WAS WRITTEN IN 1959! Suggested reading: http://www.zyvex.com/nanotech/feynman.html 5
Haley & Aldrich, Inc.
What is a nanomaterial? ASTM Definition: • Nanomaterial: • Nanoparticle:
