29 C.F.R. § 1910.420
Safe practices manual
(a) General. The employer shall develop and maintain a safe practices manual which shall be made available at the dive location to each dive team member.
(b) Contents. (1) The safe practices manual shall contain a copy of this standard and the employer's policies for implementing the requirements of this standard.
(2) For each diving mode engaged in, the safe practices manual shall include:
(i) Safety procedures and checklists for diving operations;
(ii) Assignments and responsibilities of the dive team members;
(iii) Equipment procedures and checklists; and
(iv) Emergency procedures for fire, equipment failure, adverse environmental conditions, and medical illness and injury.