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SUUNTO SPYDER User Manual

Page 90

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Residual nitrogen

The amount of excess nitrogen remaining in a diver after one or

more dives.

SURF TIME

Abbreviation for surface interval time.

Surface interval time

Elapsed time between surfacing from a dive and beginning a

descent for the subsequent repetitive dive.

Tissue group

Theoretical concept used to model bodily tissues for the con-

struction of decompression tables or calculations.