(1) The department adopts and incorporates by reference United States Pharmacopoeia (USP) 31 General Chapter 797 Pharmaceutical Compounding - Sterile Preparations, June 1, 2008, which sets practice standards to help ensure that compounded sterile preparations are of high quality. A copy of USP 31 General Chapter 797 Pharmaceutical Compounding - Sterile Preparations may be obtained from USP Headquarters, 12601 Twinbrook Parkway, Rockville, MD 20852-1790, telephone (800) 227-8772 or http://www.usp.org/products/797Guidebook.