Decision Process for Identification of Estuarine Benthic Impairments in Chesapeake Bay, USA

摘要: RobertoLlanso.ppt | US EPA ARCHIVE DOCUMENT Page 1 Page 2 Decision Process for Identification of Estuarine Benthic Impairments in Chesapeake Bay, USA RJ Llansó*, JH Vølstad Versar, Inc., Columbia, Maryland and DM Dauer Old Dominion University, Norfolk, Virginia *llansorob@versar.com Page 3 Context • States of Maryland and Virginia share the Chesapeake Bay and its tributaries • Need to integrate monitoring and assessment efforts for reporting 303(d) impairment decisions under Clean Water Act Page 4 Context • States of Maryland and Virginia share the Chesapeake Bay and its tributaries • Need to integrate monitoring and assessment efforts for reporting 303(d) impairment decisions under Clean Water Act • Integration underway for both • Freshwater streams • Chesapeake Bay estuarine waters Page 5 Context • Integration issues include • Comparability of sampling methods • Comparability of …