The most authoritative answer in 2024
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Ethan Campbell——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
As a diving expert with extensive knowledge in underwater safety and procedures, I can explain the concept of the no decompression limit. The no decompression limit is the maximum amount of time a diver can spend underwater at a certain depth without needing to make a decompression stop on the way back to the surface to prevent decompression sickness, also known as the bends.
The no decompression limit is determined by various factors, including the depth of the dive, the duration of the dive, and the diver's breathing gas mixture. It is typically calculated using dive tables or dive computers that follow established algorithms based on research and dive medicine.
For recreational diving, the no decompression limit is often simplified to follow the "rule of thirds", where the dive time is divided into three parts: the first third for descent and bottom activities, the second third for ascent, and the last third as a safety margin.
It's important to note that exceeding the no decompression limit does not guarantee decompression sickness, but it significantly increases the risk. Divers are advised to stay within these limits to ensure a safe diving experience.
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Scarlett Lee——Studied at Harvard University, Lives in Cambridge, MA
A no-decompression limit (NDL) is a time limit for the amount of time a diver can stay at a give depth. No-decompression limits vary from dive to dive, depending upon depth and previous recent dive profiles. ... A diver should never exceed a no-decompression limit without specialized training in decompression procedures.read more >>+119962023-04-06 14:03:15
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