The Department of Defense, through the Defense Health Agency (DHA), is seeking quotes for preventative maintenance and repair services for Pickering-manufactured equipment at the Defense Centers for Public Health in Aberdeen, Maryland. The procurement specifically targets the maintenance of highly complex High Performance Liquid Chromatograph (HPLC) post column derivatization systems, which are crucial for analyzing environmental and biological samples, including toxins and carbamates. This opportunity is set aside for small businesses under the SBA guidelines, and interested vendors should direct inquiries to Jesse Nisley at jesse.d.nisley.civ@health.mil or call 301-619-7763 for further details. Quotes are being requested as part of a combined synopsis/solicitation, with no separate written solicitation to be issued.