Thursday, June 18th, 2009
Photo by Daily Standard Staff
Parts per billion (ppb) concentrations of microcystin algae toxin in Grand Lake as measured on June 11. The World Health Organization recreational exposure limit is 20 ppb.
Online story associated with this photograph
Users of Grand Lake now have a Web site to check on algae toxin levels in the lake. The page was created by the Ohio EPA and is available at www.epa.state.oh.us/pic/glsm_algae.html. There are several links to the sampling data, . . .
Additional pictures for this date
Thursday, March 23
Wednesday, March 22
Saturday, March 18
Wednesday, March 15
Saturday, February 4