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USN Decompression Tables & Procedures.pdf - Watchuseek, World's ...

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Surface Interval Credit Table<br />

– Credits time that a diver at the<br />

surface off-gasses nitrogen<br />

– Minimum SIT must be 10<br />

minutes<br />

– A dive started less than 10<br />

minutes after a previous dive is<br />

considered part of the same<br />

dive<br />

<strong>USN</strong> Repetitive Dive <strong>Tables</strong>-2 <strong>Tables</strong><br />

– Dives 12 hours or more after<br />

a previous dive are not repetitive<br />

dives and do not require RNT A<br />

calculation<br />

B<br />

F<br />

E 0:10<br />

0:54<br />

0:10<br />

0:45<br />

C<br />

D 0:10<br />

1:09<br />

0:46<br />

1:29<br />

0:55<br />

1:57<br />

1:30<br />

2:28<br />

0:10<br />

1:39<br />

1:10<br />

2:38<br />

1:58<br />

3:24<br />

2:29<br />

3:57<br />

0:10<br />

3:20<br />

1:40<br />

4:49<br />

2:39<br />

5:48<br />

3:25<br />

6:34<br />

3:58<br />

7:05<br />

F E D C B A<br />

0:10<br />

12:00<br />

3:21<br />

12:00<br />

4:50<br />

12:00<br />

5:49<br />

12:00<br />

6:35<br />

12:00<br />

7:06<br />

12:00

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