The July 11 bombings, one of the worst terrorist attacks in recent years, killed more than 180 people.
It is not known whether the plastic containers were used in the July 7 bombings.
During investigations immediately after the July 2005 bombings, the police found a parked car with explosives in the trunk.
The July 28 bombing claimed 1,767 lives and destroyed 88% of the city.
It was also circulated after the July 2005 bombings.
Among those receiving honours are 23 people for their courage in the July 7 bombings.
But he praised the response of the emergency services to the July 7 bombings as "absolutely outstanding."
British officials have not said he has links to the July bombings in London.
Seven or eight major plots were reportedly broken up between 2001 and the July 7 bombings.
The celebrations in the park were marred by the July 27th bombing which killed two people and injured over one hundred others.