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Presentations

Draper Aden Associates’ employees are featured speakers and presenters on a number of subjects. The presentations listed on this page are but of few of the many actively involved in many community projects. We encourage our staff members to give back to their community through volunteering and leadership in community and service organizations. Click on the titles to learn more.

Solid Waste

Exposed Geo-membrane Cover Systems for Subtitle D Landfill Closures

John Hurford, P.E. Solid Waste Team Leader, discusses the advantages of the use of this type of cover system for some solid waste landfills.

Click here to view power point

Environmental

Evaluating the Impact of Nanoparticles on Wastewater Collection and Treatment Systems in Virginia

Rick DiSalvo, PE, VP and COO, Gary McCollum, PE, Senior Project Manager, and Andrew Whelton, E.I.T. explore how nanotechnology may be beneficial in municipalities’ need for wastewater pretreatment.