The U.S. Geological Survey (USGS) is seeking a contractor to analyze drinking water samples from New York City to determine the potential for disinfection byproduct formation. The contractor will be responsible for analyzing a minimum of 100 and a maximum of 1,000 samples annually, with results required within 10 days of sample receipt, over a performance period of one year with four optional extensions. This analysis is crucial for ensuring water quality and compliance with health standards. Interested small businesses must submit their quotations by February 6, 2025, following the anticipated issuance of the Request for Quotations on January 16, 2025, and should direct inquiries to Daniel Galvin at dgalvin@usgs.gov.