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Water: Vessel Water Discharge

Cruise Ship Plume Dilution Study in Skagway Harbor

As part of its assessment of cruise ship discharges, EPA in collaboration with the Alaska Department of Environmental Conservation conducted a survey to study the near-field dilution of treated sewage and graywater discharges from docked cruise ships in Skagway Harbor, Alaska during July 2008. Rhodamine WT (a fluorescent dye) was added to the treated effluent to facilitate observation of the discharge plume as it mixed with the receiving waters.

Plume Dilution Sampling Report (PDF) (22 pp, 243K, About PDF)

Appendices (PDF) (1454 pp, 6.1MB, About PDF)


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