[1] Syracuse Univ, Dept Civil & Environm Engn, Syracuse, NY 13244 USA
[2] Harvard Univ, TH Chan Sch Publ Hlth, Ctr Hlth & Global Environm, Boston, MA 02215 USA
[3] Boston Univ, Sch Publ Hlth, Boston, MA 02118 USA
[4] Harvard Univ, Harvard Forest, Petersham, MA 01366 USA
[5] Resources Future Inc, Washington, DC 20036 USA
[6] Sonoma Technol, Petaluma, CA 94954 USA
[7] Harvard Univ, TH Chan Sch Publ Hlth, Dept Environm Hlth, Boston, MA 02215 USA