Officials are ascertaining how best to deal with the removal of the debris blocking the Patapsco River.Screenshot/NTSBAt least 56 containers of hazmat goods were on board the Dali when it crashed, the NTSB said.Some of the containers were "significantly breached" and some are in the water, officials said.The 984-foot ship is still caught under the debris of Baltimore's biggest bridge, which collapsed on Tuesday.The 984-foot container vessel that crashed into the Francis Scott Key Bridge was carrying at least 56 containers of hazardous material, some of which have fallen into the water, the National Transportation Safety Board said.The board's chair, Jennifer Homendy, told reporters on Wednesday that officials boarded the Singapore-flagged Dali for an inspection on Tuesday evening.A senior NTSB hazmat investigator identified the 56 hazardous containers while observing the cargo and manifest, Homendy said."That's 764 tons of hazardous materials.