To ask the Secretary of State for Environment, Food and Rural Affairs when the Rattlechain chemical waste lagoon in Oldbury was last inspected by the Environment Agency; and what percentage of the waste in the lagoon was identified as yellow phosphorus in that inspection. [R]
The Environment Agency last inspected the Rattlechain chemical waste lagoon in Oldbury on
It is not possible to determine during an inspection the percentage of yellow phosphorus in the deposited waste. Much of the deposits are historic and underwater.
The site closed in March 2006. Analysis indicates a level of phosphorus in deposited calcium phosphate sludge to be in the order of 0.01 per cent.