| Subject | Predicate | Object |
|---|---|---|
| <p>To ask the Secretary of State for Transport, whether his Department has estimated the quantity of contaminated land that will need to be decontaminated before a third runway can be constructed at Heathrow.</p> | ||
| 153798 | ||
| Heathrow Airport: Construction | ||
| http://data.parliament.uk/writtenparliamentaryquestion/commons/2017-19/153798 | ||