Quality Control Quantity Inspections
The discharge of Ballast Water carried by ships has been identified as a significant factor that may transport harmful or invasive aquatic organisms among with different geographical habitats.
The 2004 IMO convention calls for Ballast Water Management (BWM) practices and eventually monitoring.
The U.S Coast Guard, through the VGP permit, has adopted specific BWM and shore laboratory Ballast Water discharge testing protocols. Both the IMO recommended and VGP required protocols are in many aspects similar.