CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER R—TOXIC SUBSTANCES CONTROL ACT (Parts 700–799) > PART 792—GOOD LABORATORY PRACTICE STANDARDS > SUBPART E—Testing Facilities Operation (§792.81 to §792.90) > 792.83—Reagents and solutions.

792.83—Reagents and solutions.

All reagents and solutions in the laboratory areas shall be labeled to indicate identity, titer or concentration, storage requirements, and expiration date. Deteriorated or outdated reagents and solutions shall not be used.