Final answer:
The answer is purchasing procedures.
Step-by-step explanation:
The answer to the question is purchasing procedures. All of the given options, except purchasing procedures, should be included in the personnel policies in a therapeutic recreation department manual. Personnel policies often include performance standards to outline expectations for employees, position descriptions to clarify job roles and responsibilities, and grievance procedures to address employee concerns and conflicts. However, purchasing procedures are typically not included in personnel policies, as they pertain to financial and procurement processes rather than employee policies.