The U.S. Coast Guard is seeking a contractor to provide yard wastewater environmental sampling and analysis services. The base year of performance runs from January 2027 through December 2027, with two optional one-year extensions through December 2029. Services will be performed at the U.S. Coast Guard Yard in Curtis Bay, Maryland. No budget amounts are specified in the notice. The award will be a firm fixed-price purchase order based on best value, considering technical requirements, deadlines, and price.