Ballast water discharges by ships can have a negative impact on the marine environment. The discharge of ballast water and sediments by ships is governed...

the ballast is discharged to lift the docking platform and the docked vessel above the water. To make this possible, most of the structure under the supporting...

another and halt damage to the marine environment from ballast water discharge, by minimising the uptake and subsequent discharge of sediments and organisms...

sea water. Serious problems arise when the ballast water is discharged, as water-borne organisms may create havoc when deposited in new environments. Ballast...

world trade. Typically, ballast water discharge contains a variety of biological materials including non-native, invasive, and exotic species that can...

Ballast water discharge typically contains a variety of biological materials, including plants, animals, viruses, and bacteria. These materials often...

See Ballast water discharge and the environment. The [[World Water Monitoring Day|EarthEcho Water Challenge]] is an international education and outreach...

after ships discharge wastewater or unload cargo, and discharged at the next port of call, wherever more cargo is loaded. Ballast water discharge typically...

ballast is a device placed in series with a load to limit the amount of current in an electrical circuit. A familiar and widely used example is the inductive...

water, called ballast water, which contains aquatic organisms typical of the port of arrival, is stored in ballast tanks and is ultimately discharged...

the enactment of Act to Prevent Pollution from Ships on October 21, 1980. Transport portal Water portal Ballast tank Ballast water discharge and the environment...

Court of Appeals, 2008). Vessel discharges are subject to NPDES permit requirements. See Ballast water regulation in the United States. National Cotton...

from sinks, showers, and galleys (graywater); hazardous wastes; solid waste; oily bilge water; ballast water; and air pollution. The waste streams generated...

ballast to stabilize the current through the lamp, and to provide the initial striking voltage required to start the arc discharge. Often one ballast...

mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce light. The arc discharge is generally confined to...

governed by the above provisions for ships other than tankers II.) Total quantity of oil discharge on a ballast voyage does not exceed 1/15000 of the total...

Gas-discharge lamps are a family of artificial light sources that generate light by sending an electric discharge through an ionized gas, a plasma. Typically...

calling Lebanese ports discharge stagnant ballast water (without being exchanged at sea), oily ballast water, graywater and bilge water, often without regulations...

mooring and vessel grounding, the use of antifouling, operational and accidental discharges (ballast and bilge water, hydrocarbons, waste, and sewage) and wildlife...

Around one third of the cargo tanks also acted as ballast tanks. During ballast discharge oil was released into the environment. These tankers did not...

to the treatment of engine room bilge water (OWS) for all large commercial vessels and ballast and tank cleaning waste (ODME). It also introduces the concept...

tanks; Discharge of ballast containing an oily mixture or cleaning water from fuel oil tanks; Disposal of oil residue; and Discharge overboard or disposal...

North America, or in ballast water discharge. After its original introduction in Italy in 1860, it spread quickly through Europe and was discovered in Sweden...

These ships discharge waste that damages the archaeological ruins and is also bad for the environment. There is also ballast water which is water that is...

Organisms of the Pacific Northwest. 2001. University of Washington Great Lake Commission. "Status of Ballast Water Discharge Regulations in the Great Lakes...

mattresses, filling them with sand, and stabilising them with ballast stone. Successive sections were then sunk on top until the dam reached a height where no...

as tankers discharging ballast water from oil tanks used on return ships, leaking pipelines or engine oil disposed of down sewers. Discharge of cargo residues...

control the volume of water admitted. Discharge of ballast water is against the external pressure, which will depend on depth, and will generally require...

diving, as a human activity, is the practice of descending below the water's surface to interact with the environment. It is also often referred to as...

of large vessels, and are widely spread when the ballast is discharged. The speed of sound in seawater is about 1,500 m/s (whereas the speed of sound is...