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[Keeping An Eye on Ozone]

Coordinating the days that schools collect ozone data creates a large set of comparable data. The large data set also has component of space, since participating schools are spread out all over the world, and time, since we collect data over several days and months. There are, however, no limits on how or where you collect data. You may collect and submit data at any time.

KanCRN Ozone collaborative data collection using the Eco Badge Kits or The Schoenbein Paper Method occurs from the beginning of school,August sometime, and occurs daily through the end of September. Data is collected daily during January, and daily during May. If data can also be collected on weekends, it will make for a more complete set of data for these months.

Only one formal evaluation for ozone injury is required for Common Milkweed. You should locate the study area(s) in late June or July to ensure the milkweed will be of sufficient size and abundance to meet the sampling requirements. You may want to examine the stems for visual evidence of ozone injury in July. You need not record your results. The formal evaluation should occur between September 1 - September 15. This will allow us to make a meaningful comparison of injury from our data.

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