ceasar Following a second assessment in December 2010, the team returned this year to install four concrete biosand filters and piloted two plastic biosand filters.

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Date: 2013-04-12 09:08:45 Engineers Without Borders Sidney A. Ribeau BioSand Filter Howard University Development charities Engineering Development		ceasar Following a second assessment in December 2010, the team returned this year to install four concrete biosand filters and piloted two plastic biosand filters. Add to Reading List Source URL: www.howard.edu Download Document from Source Website File Size: 105,42 KB Share Document on Facebook

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