| BS1768 | K7766 | BRITISH STANDARDS INSTITUTION |
| D5049716 ITEM 6 | K1968 | G E C TURBINE GENERATORS LTD |
| E12904-5 | K0107 | MACTAGGART, SCOTT & CO. LTD |
| MTDS33DE22R044-16C | K0107 | MACTAGGART, SCOTT & CO. LTD |
| ST1706625 ITEM 34 | K1968 | G E C TURBINE GENERATORS LTD |
| D5049716 ITEM 6 | U1352 | ALSTOM POWER LTD DBA ALSTOM POWER |
| TX468358-15 | K0072 | ROLLS-ROYCE POWER ENGINEERING PLC |
| TX468358-41 | K0072 | ROLLS-ROYCE POWER ENGINEERING PLC |
| TZ466141 | K0072 | ROLLS-ROYCE POWER ENGINEERING PLC |
| ST1706625 ITEM 34 | U1352 | ALSTOM POWER LTD DBA ALSTOM POWER |