Eddie, Shellie, Amira, and Danny running the dissolved oxygen test

Danny pours the waste chemicals into a bottle for proper disposal

Amira with the test kit on the ground

Shellie wears boots to get a sample farther out from the bank of the river.

This is a view of the river under the 3rd Ave. bridge.

This is a float that reached across the width of the river on 10/12/01.

Students are running the chemical tests under the bridge.

This is a float that reached across the width of the river on 10/12/01.

A small crayfish was caught in the macroinvertebrate sampling net.

Several students identify and count the macroinvertebrates trapped by the seine net.

Carol is out in the river getting a sample.

Alison takes the test kit to a safe location.