Summary
The Biogeochemical Sciences Branch (BSB) at CRREL (ERDC) Alaska Research Office seeks a contractor to perform iron stable isotope analyses (56Fe and 57Fe) on up to 40 unfiltered natural stream water samples using plasma-sourced multi-collector mass spectrometry (MC-ICP-MS), including sample preparation, QC, and data processing. The work requires delivery of raw and processed data, instrument parameters, and methods for inclusion in final reporting; analyses must be completed by 1 March 2027 and the period of performance runs from Sept 3, 2026 to Mar 2, 2027. Responses are due 21 July 2026 (see dueTo); the procurement will be awarded on a Lowest Price Technically Acceptable (LPTA) basis and is full & open competition under NAICS 541380 (Testing Laboratories & Services).