One aerobic and one anaerobic sediment sample,
each with its associated water, were collected from Turkey
Creek (Talbot County, Maryland) and Choptank Rivers
(Denton, Maryland) respectively. The Turkey Creek sediment
possessed a high organic carbon content (7.8%), a fine
texture (34/34/32 sand/silt/clay), and cation exchange
* Phone: 860-441-4864; e-mail: jon.f.ericson@pfizer.com. capacity of 17.1-20 meq/100 g while the Choptank River