SAC test dive 1 SAC should be 20l/min (0.7063 cuft/min) We have exactly 100 ATM of gas in a 10l cylinder, average 10m for 25min SAC test dive 2 SAC should be 20l/min (0.7063 cuft/min) We have exactly 100 ATM of gas in a 10l cylinder, average 10m for 25min SAC test dive 3 SAC should be 20l/min (0.7063 cuft/min) We have exactly 100 ATM of gas in 15l of cylinder, average 20m for 25min SAC test dive 3 SAC should be 20l/min (0.7063 cuft/min) This adds a 5-minute surface time to the middle of the dive. We have exactly 100 ATM of gas in 15l of cylinder, average 20m for 25min