The injured were being treated at Derriford Hospital in Plymouth, the Maritime and Coastguard Agency said.
Maritime and Coastguard Agency figures show 189 tombstoning-related incidents were recorded between 2004 and 2009.
The samples have now been sent to the Maritime and Coastguard Agency's laboratory in Edinburgh.
The Maritime and Coastguard Agency said the Amethyst's crew made proper use of their life-saving equipment.
BBC: Three fishermen rescued after boat hits rocks near Skye
The Maritime and Coastguard Agency (MCA) has urged the public to avoid taking "unnecessary risks".
The Maritime and Coastguard Agency (MCA) said polyisobutene (PIB) can be released under certain conditions.
Companies have also been bidding to run Maritime and Coastguard Agency helicopters after 2017.
The Maritime and Coastguard Agency found inconsistencies in safety management systems, particularly with vessel maintenance.
Great Yarmouth's coastguard coordination centre will close in May 2013, the Maritime and Coastguard Agency (MCA) has said.
Fred Kagel, from the Maritime and Coastguard Agency, said the accident was reported by people on the platform.
The Maritime and Coastguard Agency said an investigation found inconsistencies in safety management systems, particularly with vessel maintenance.
The Maritime Accident Investigation Branch, the Maritime and Coastguard Agency and Avon and Somerset Police are investigating the accident.
The campaign by the Maritime and Coastguard Agency (MCA) could be introduced nationwide.
The Maritime and Coastguard Agency hire the tugs from shipping company JP Knight.
The Maritime and Coastguard Agency said sea conditions had been moderate to rough on Friday, with a higher-than-average high tide.
The Maritime and Coastguard Agency (MCA) said despite an extensive air, land and sea search Jordan had not been found.
This service is currently provided by the RAF and Royal Navy, plus civilian helicopters through the Maritime and Coastguard Agency (MCA).
The Maritime and Coastguard Agency has been following up a "number of possible leads" in tracing the ship it came from.
BBC: Birds to be released in Dorset four weeks after oil rescue
In August, the Maritime and Coastguard Agency (MCA) said it had seen a seven-fold increase in calls sparked by sky lanterns.
The Maritime and Coastguard Agency (MCA) said the whales were believed to be from a pod of as many as 60.
The Maritime and Coastguard Agency (MCA) said it had failed to pinpoint the timeframe or location for when the material was discharged.
The Maritime and Coastguard Agency (MCA) said an uncharted wreck of similar size to the missing fishing boat, Purbeck Isle had been located.
It is "highly unlikely" that the source of oil deposits on Yorkshire beaches will be found, the Maritime and Coastguard Agency (MCA) has said.
Two tugs were hired by the Maritime and Coastguard Agency (MCA) to go to the aid of stricken vessels off Scotland's west and northern coasts.
The Maritime and Coastguard Agency said the vessel that sank listed after striking the tug, but was empty and did not pose a pollution risk.
The emails to the Maritime and Coastguard Agency (MCA) went unopened.
The search for a woman thought to have fallen from a ferry in the English Channel will not resume, the Maritime and Coastguard Agency has said.
The Maritime and Coastguard Agency said the casualty was rescued while its Rhossili team and the RNLI lifeboat from Burry Port were racing to the scene.
But the arrangement that led to the initial decision to grant the exemption had not been reviewed in accordance with the Maritime and Coastguard Agency's (MCA) procedures.
BBC: Criticism of fishing boat St Amant after death off Anglesey
He said that a joint investigation into what happened has been started by the Maritime and Coastguard Agency, the Marine Accident Investigation Branch and Avon and Somerset Police.
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