1. A self-contained breathing apparatus (SCBA) positive-pressure/pressure-demand breathing equip- ment with full-face piece and rated for a minimum of 30 minutes is to be provided for each person in working areas where hydrogen sulphide may be encountered, and each person in other areas is to be provided with a SCBA rated for a minimum of 15 minutes, or;

2. A positive-pressure/pressure-demand air line breathing equipment coupled with a SCBA equip- ped low pressure warning alarm and rated for a minimum of 15 minutes is to be provided for each person on board the unit.

3. Breathing air supply line stations are to be provided at least in the following areas:

(1) Living quarter;