The Department of Health and Human Services, specifically the National Institutes of Health (NIH) through the National Institute of Environmental Health Sciences (NIEHS), is seeking proposals for the preventive maintenance and repair of mass spectrometry equipment. The contract, identified as Combined Synopsis/Solicitation No. 75N96025Q00018, requires small businesses to provide comprehensive maintenance services, including inspections, repairs, software updates, and necessary parts, all while adhering to manufacturer specifications. This procurement is vital for ensuring the operational efficiency and safety of laboratory instruments used in environmental health research. Interested vendors must submit their quotations by February 28, 2025, and can direct inquiries to Chantal Cornelius at chantal.cornelius@nih.gov.