**Open hour can be hosted by anyone about anything.** Many are hosted by [organizers](/organizers). The topics of open hour vary from presentations on tools and methods, discussions on environmental issues, to approaches to data-based advocacy. Each call will include time for introductions, discussion, and questions. Open hour may be virtual or face-to-face, and are promoted broadly across the global Public Lab community. **Propose new sessions on the [Talk page](http://pad.publiclab.org/p/openhour).** To learn about other types of events, see [publiclab.org/events](/events)

Upcoming Open Hour


##Water Contaminants
###May 14, 2014, 8PM EST * See the [wiki page](http://publiclab.org/wiki/common-water-contaminants) on this topic:
* **See this [document](https://docs.google.com/document/d/1xVM68fYP5eU5L7ho6mQZI2xza8dbbidbaOe3cd0) for notes on the call: KVqE/edit**
May 21, 2014 Water Contaminants topic
May 28, 2014 unscheduled
June 4, 2014 unscheduled

Past Open Hours

Water Contaminants Open Hour May 7, 2014, 7PM EST This first call was dedicated to water contaminants. Listen to the audio [here](http://chirb.it/ECOhdB) **Topics for the call are covered as follows:**
-Introduction and Sorting Topics: 0:00-15:00
-Structure and Purpose of the Wiki: 15:15-20:35
-Oil Contaminants and Heavy Metals: 21:00-30:24
-Detecting Contaminants in Drinking Water: 30:24-40:20
-Fecal Testing in Water: 40:20-48:10
-Glyphosate: 48:10- 25:00
-The Riffle: 52:00-1h7
-Structure of the Talk and Future Talks: 1h7-end
* See the [wiki page](/wiki/common-water-contaminants
) on this topic * **See this [document ](https://docs.google.com/document/d/1xVM68fYP5eU5L7ho6mQZI2xza8dbbidbaOe3cd0KVqE/edit)for notes on the call: **