Grand Award

1st Place

Sponsored Awards

Environmental Ecology, Arizona Hydrological Society 1st Place

pHan Pedro River

Earth and Environmental Sciences
Cassandra Comolli

Mrs Lee Ann Howell

"The purpose of this experiment was to analyze the San Pedro river’s pH levels in 3 different locations. The river is a unique riparian area that has mines all along it. I wanted to see if acidic levels are higher in some locations due to their locations with the amount of mines around the river. The results could help us to maintain the balance between the acid runoff from the mines and the ecosystem around and in the river. "

Project presentation

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Lab journal excerpts

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