News and Events
Environmental Chemistry Trip to Urieville Lake
October 2, 2007
Environmental Chemistry students tested the nutrient levels and dissolved oxygen concentration in Urieville Lake to try to understand the cause of the algal bloom.
Click to enlarge photos.
Courtney Jensen '08 helps Melody Warner '08 push off in the canoe.
Melody, Laura Connelly '08 and waterfront director John Wagner head off right into the thick of it.
Danielle Aloisio '08 filters the next set of samples to prepare for analysis of dissolved nutrient contents.
Dr. Leslie Sherman explains a new procedure for measuring phosphorus to Courtney Jensen and Amanda Weber '08.
Mandy Leahy '08 labels reaction vials clearly to distinguish control from sample vials.
Nicole Amorosi '08 looks to see if a color change has occurred yet for the nitrate analysis.
Courtney and Amanda check the next step in a procedure.
"We love our new field spectrophotometer!"
Adding sample to reagent vial to test for phosphate contents in the lake.
Nicole Amorosi '08 recording data.
Dr. Sherman selects the proper program from our Hach spectrophotometer.
Courtney Jensen operates the spectrophotometer to analyze the water samples.
"Eew, this is gross! It almost looks like a solid layer on top of the lake."
Dr. Sherman is delighted that the weather was so beautiful for the field trip.
Courtney adds just the right amount of distilled water.
Melody and Dr. Sherman pulls the canoe back onto the shore.
The colorimetric salinity test confirms that the lake is freshwater.
Mandy and Dr. Sherman set up the filtration apparatus to capture suspended solids.
"We love canoeing, but this algae is something else."
"No Melody, don't do it!"
"Be careful, don't go over the dam!"
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