| Section | Mentions | House | Date |
|---|---|---|---|
| ROYAL ASSENT | 1 | Commons | 1972-05-11 |
| ROYAL ASSENT | 1 | Lords | 1972-05-11 |
| River Pollution (Industrial Undertakings) | 1 | Written Answers | 1976-12-07 |
| Section | Mentions | House | Date |
|---|---|---|---|
| ROYAL ASSENT | 1 | Commons | 1972-05-11 |
| ROYAL ASSENT | 1 | Lords | 1972-05-11 |
| River Pollution (Industrial Undertakings) | 1 | Written Answers | 1976-12-07 |