A pharmacist, physician, advanced practice registered nurse, or physician assistant, or the pharmacist’s, physician’s, advanced practice registered nurse’s, or physician assistant’s designee, or a trained overdose responder for an organization enrolled in the Drug Overdose Prevention Program administered by the Department of Human Services, Division of Substance Use Prevention and Recovery may dispense drug adulterant testing supplies to any person. Any drug adulterant testing supplies to be dispensed under this Section must be stored at a licensed pharmacy, hospital, clinic, or other health care facility, at the medical office of a physician, advanced practice registered nurse, or physician assistant, or at the premises of the organization enrolled in the Drug Overdose Prevention Program. Drug adulterant testing supplies shall also be stored so that they are accessible only by pharmacists, physicians, advanced practice registered nurses, or physician assistants employed at the pharmacy, hospital, clinic, or other health care facility or medical office, the designees of the pharmacist, physician, advanced practice registered nurse, or physician assistant, and trained overdose responders for those organizations enrolled in the Drug Overdose Prevention Program administered by the Department of Human Services, Division of Substance Use Prevention and Recovery. Drug adulterant testing supplies dispensed at a retail store containing a pharmacy under this Section may be dispensed only from the pharmacy department of the retail store. No quantity of drug adulterant testing supplies greater than necessary to conduct 5 assays of substances suspected of containing adulterants shall be dispensed in any single transaction.