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| solvent | acceptance criteria (ppm) | highest level found (ppm) |
|---|---|---|
| THF | 720 | <7 |
| tert-Butyl methyl ether (TBME) | 5000 | not detected |
| n-Heptane | 5000 | <67 |
| methanol | 3000 | <6 |
| 2-propanol | 5000 | 509 |
| dichloromethane (DCM) | 600 | not detected |
