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Project Leaders: Staci Simonich and Lewis Semprini
The Simonich/Semprini team is developing methods and generating the data to identify and recommend remediation technologies that minimize formation of hazardous PAH breakdown products.
Research Questions: How can we use computational modeling to predict the secondary transformation products of PAHs that will form during biotic and abiotic remediation at Superfund sites? What and how much of the secondary PAH transformation products form during laboratory-scale biotic and abiotic remediation experiments? How much secondary transformation products of PAHs are generated in real-world Superfund soils and sediments before and after remediation, as well as after natural attenuation? What remediation technologies, or combinations of remediation technologies, minimize the formation of toxic primary and secondary transformation products of PAHs? What remediation conditions and properties of soils and sediment inform the selection of optimal remediation strategies.
Connecting Research across the Center: Simonich and Semprini work at PHSS and at the Wyckhoff/Eagle Harbor site. The Simonich/Semprini team collaborates with Tanguay, Tilton and Teeguarden to provide pre- and post-remediation extracts for toxicological testing.