141st APHA Annual Meeting and Exposition

Home Events & Meetings Annual Meeting Schedule & Program

Recorded Annual Meeting Presentations (RAMP) are now available for purchase.
Only $90 for presenters, $140 for registered attendees and $200 for non-attendees.

Online Program

Aris Walker

Simmons College
Boston, MA
USA aris.walker@simmons.edu

5020.0 Laboratory and field studies to compare fecal coliform counts in water from biosand filters following periods of either intermittent use or following a pause in use in Boston MA and san juan del Sur, Nicaragua