t2 final presentation
TRANSCRIPT
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wonderfulengineering.com
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https://www.dosomething.org/us/facts/11-facts-about-e-waste
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https://www.dosomething.org/us/facts/11-facts-about-e-waste
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empty?
http://www.greenpeace.org/international/en/campaigns/detox/electronics/
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Harmful Effects of Heavy Metals
Nickel
Skin irritation, lung, and sinus cancer
Aluminum
Kidney, brain damage
Bone degradation
Selenium
Pulmonary edema
Manganese
Nervous system and kidney damage
Lead
Nervous system and kidney damage
Miscarriages, inhibited spermatogenesis
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Environmental Risk Assessment
Hazard Quotient = Exposure / Reference Dose
MCL- Maximum Contaminant Level
HQ>1 Health RisksHQ<1 No Health Risks
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https://en.wikipedia.org/wiki/Inductively_coupled_plasma_atomic_emission_spectroscopy
http://www.dianliwenmi.com/postimg_11717122_18.html
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https://americanvision.org/7779/people-pay-big-money-to-be-told-theyre-evolved-pond-scum/
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http://www.heslk.com/electronic.html
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http://www.actglobal.com/blog/act-global-wins-national-artificial-turf-project-with-hungarian-football-federation/
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https://en.wikipedia.org/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals http://www.networx.com/article/paint-types
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http://www.rubber-granules.com/wp-content/uploads/2012/06/infill-black-classic.JPG
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REMEDIATION Efficacy of sand and soil to prevent leaching of heavy
metals
http://theprepperproject.com/wp-content/uploads/2013/07/DirtBeforeAndAfter.jpg
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- 3 sand, 3 soil dishes- 1 mL 27000 ppb lead
nitrate- Samples taken,
analyzed for lead concentration
STUDY: SAND AND SOIL AS RETENTION
MEDIA
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Sand retains lead better than soil- Intensity plotted
against radius
- Similar volume samples produced concordant results
- Soil carried a higher concentration of leachate further from contamination site
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OUTLOOK●Pond water: significant heavy metal leaching
●Crumb rubber: heavy metal leaching insignificant to human health○Harmful volatile organic
compounds●Sand better at stopping leaching
○Potential use in e-waste facilities
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Acknowledgements
Advisors and faculty:Dr. Ryan Hinrichs
Kelsie KolbKaushaly Patel
Dr. Adam CassanoDr. Steve SuraceDrew University
Our gracious sponsors:
AT&T, Bayer Healthcare, Independent College Fund of NJ, The Overdeck Family Foundation, Novartis, Allergan, Mango, Johnson
& Johnson, Celgene, NJGSS Alumnae, Parents and Corporate Matching Funds, The State of NJ