...cruise ships in the millions of fecal coliform colonies per milliliter. Cruise executives say that new graywater-treatment technologies will be installed on all large ships visiting Alaska by 2003, reducing bacteria to almost undetectable...

...blackwater can meet the federal standards for discharging over a mile off-shore, Wheatley said. A new graywater treatment technology on the ship has been tested, but so far the results for biological oxygen demand and chemical oxygen demand...

...blackwater can meet the federal standards for discharging over a mile off-shore, Wheatley said. A new graywater treatment technology on the ship has been tested, but so far the results for biological oxygen demand and chemical oxygen demand...