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