USDA Ag research service U.S. Arid Land Agricultural Research Center replacement of backflow prevention valves in accordance with the statement of work. Solicitation number 1240LU26Q0127 is issued as ... USDA Ag research service U.S. Arid Land Agricultural Research Center replacement of backflow prevention valves in accordance with the statement of work. Solicitation number 1240LU26Q0127 is issued as a Request for Quotation (RFQ) for the attached statement of work The magnitude of this project is between $100,000 and $250,000