Have minimum of 100 logged dives, of which at least 20 dives were made with enriched air nitrox, 25 dives were deeper than 18 meters and at least 15 dives were deeper than 30 meters.

• 拥有至少100次潜水记录；其中必须包括至少有20次使用高氧气体；25次深度有超越18公尺以及至少有15次的深度超过30公尺的潜水记录.