俄亥俄河的早期预警有机物检测系统（EWODS）会在俄亥俄河及其主要支流的选定地点出现可净化有机物增加时通知水务公司。它还作为针对未经授权可净化有机物排放源的监管行动的基础。包括10个参考资料、表格、图表和照片。

The early warning organics detection system (EWODS) for the Ohio River notifies water utilities when increases in purgeable organics occur at selected sites along the Ohio River and its major tributaries. It also serves as a basis for regulatory action against sources of unauthorized purgeable organic discharges. Includes 10 references, tables, figures, photographs.