| Project | PPAN | Ad-hoc Panel | PPAN |
| Mar-08 | May-08 | Jun-08 | |
| Advanced LIGO | High | High | alpha 5 |
| GEO 600 | High | High | alpha 5 |
| CLOVER | Medium High | Medium High | alpha 4 |
| ISL tests | Medium High | Medium High | alpha 4 |
| Zeplin III | Medium High | Medium High | alpha 4 |
| Auger | Medium Low | Medium Low | alpha 3 |
| HESS | Low | Medium Low | alpha 2 |
| VERITAS | Low | Low | alpha 1 |