Average Most Probable Discharge Coverage Service
From Oil Spill Response
AMPD is defined as the Average Most Probable Discharge of the lesser of 50 barrels of oil or 1 percent of the cargo from the vessel during cargo oil transfer operations to or from the vessel or a discharge of the lesser of 50 barrels of oil or 1 percent of the volume of the worst case discharge for a facility. OPA 90 requires that a containment boom equal to twice the length of the largest vessel involved in the transfer be deployed at the site of the operation within one hour of detection of a spill; additionally skimmers and temporary storage must be on site within 2 hours.
OMI Environmental Solutions (OMIES) provides AMPD stand-by services as well as responding to AMPD releases. OMIES's strategically located facilities allow us to be the AMPD responder to numerous clients throughout the Gulf coast.