The most appropriate reference to consult for information regarding proper procedure for cleaning a medication or chemical spill is a:

Drug Utilization Review (DUR) is a structured, ongoing evaluation of prescribing, dispensing, and medication use. While important for assessing appropriate medication usage, DUR does not provide specific guidance on cleaning spills or handling chemical hazards. Its focus is on optimizing therapeutic outcomes and minimizing risks associated with medication use.

Medication Guides are FDA-approved documents that provide information about prescription medications to patients. These guides focus on informing patients about the risks and benefits of specific medications, how to use them safely, and potential side effects. They are not intended to provide instructions for cleaning spills or handling chemical hazards.

Risk Evaluation and Mitigation Strategy (REMS) programs are required risk management plans for certain medications with known or potential serious risks. While REMS aim to ensure safe use of medications, they primarily focus on specific safety concerns related to the administration and monitoring of these drugs, rather than spill cleanup procedures.