Altitude Corrections for Boiling Water Bath
| Increase processing time if the time recommended is: | ||
|---|---|---|
| Altitude (feet) | 20 minutes or less | More than 20 minutes |
| 1,000 | 1 minute | 2 minutes |
| 2,000 | 2 minutes | 4 minutes |
| 3,000 | 3 minutes | 6 minutes |
| 4,000 | 4 minutes | 8 minutes |
| 5,000 | 5 minutes | 10 minutes |
| 6,000 | 6 minutes | 12 minutes |
| 7,000 | 7 minutes | 14 minutes |
| 8,000 | 8 minutes | 16 minutes |
| 9,000 | 9 minutes | 18 minutes |
| 10,000 | 10 minutes | 20 minutes |