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Wedge tests
| Item | Test | Frequency | Tolerance |
|---|---|---|---|
| W1 | Electronic wedge check | Daily | Internal: functional; collimator shaped wedges: 3% |
| Monthly | 2% | ||
| W2 | Physical wedge placement accuracy | Monthly | 1 mm |
| W3 | Wedge profile for 60 degree electronic wedges, all energies | Annual | 2% of TPS OAFs |
| W4 | Wedge dose for collimator shaped wedges, all angles | Annual | 2% of TPS dose |
