Radioisotope Analysis and Core Chronology

The contract requires the performance of detailed laboratory analysis on sediment core samples to measure concentrations of lead-210, radium-226, and cesium-137 using alpha or gamma spectrometry techniques. The work involves precise sampling preparation, calibration of detection instruments, and accurate quantification of radioisotopes to ensure reliable data for environmental assessment. Results from this analysis will be used to construct sediment core chronologies through the application of three established dating models: the Constant Rate of Supply model, the Constant Initial Concentration model, and the Constant Flux:Constant Sedimentation model. These chronologies are critical for reconstructing historical environmental trends, particularly related to anthropogenic contamination and natural sedimentation processes. The contract is structured as a subcontract under the Department of the Environment (ECCC) of the Government of Canada, with performance expected to occur in Burlington. The opportunity was posted on May 22, 2026, and responses must be submitted by June 16, 2026, at 8:00 PM Eastern Time. The North American Industry Classification System code 541380 indicates the work falls under other scientific and technical consulting services, specifically emphasizing laboratory analysis and environmental data interpretation. There is no set-aside designation specified, and no point of contact is provided in the listing; interested parties must refer to the official tender portal at the provided link for submission guidelines and additional procedural details.