; (M) a description of the safe work and training environment that will be provided for youth apprentices, including an environment in compliance with all applicable Federal and State workplace safety and labor laws; (N) a statement of the credit or credential, which may be an interim credential, that the youth apprentice will earn during or on completion of the program, issued by an entity that may be an institution of higher education; (O) a statement of the numeric ratio of youth apprentices to supervisors (such as journeyworkers, mentors, or on-the-job learning instructors, as applicable) for the occupation for the youth apprenticeship involved, which ratio is— (i) based on evidence-based and evidence-informed best practices for supervision, training, safety, and continuity of employment in the occupation, throughout the work processes of the program, and of the job site, department, or plant involved; and (ii) appropriate for the degree of hazard in different occupation