[en] This document presents a summary of data validation results on groundwater samples collected for the 200-UP-1 Groundwater Round 2 Project. The analyses performed for this project were as follows: metals; general chemistry including anions, total organic carbon, total dissolved solids, total suspended solids, and alkalinity; radiochemistry including gross alpha, technetium-99, strontium-90, iodine-129, plutonium-238/239/240, and total uranium; volatiles including volatile organics; and semivolatiles including semivolatile organics. This summary report validates sample delivery groups and provides a summary of the data as defined by laboratory performance criteria and project-specific data quality objectives to ensure that the data is acceptable for use on the 200-UP-1 Groundwater Round 2 Project