Table 2.

Breath-hold diving (BHD) duration.

Subject	Starting time	Ending time	BHD duration (s)	Descent time	Bottom time	Ascent Time
1	18:37:48	18:39:57	129	42	52	35
2	18:49:00	18:51:25	145	47	51	47
3	18:33:37	18:35:50	133	46	49	38
4	19:56:45	19:58:50	125	45	44	36
5	19:52:50	19:55:08	138	49	46	43
6	20:01:45	20:03:40	115	42	39	34
Mean			130.8	45.1	46.8	38.8
SD			10.4	2.7	4.8	5.1

Table provides the specific time-profile during all the phases of the human exposure at 40-m depth.