Progress Update, Week of January 30th, 2023 During the week of January 30, the Gowanus Remediation Team (GRT) continued the Demonstration Test for the RTA 1 Capping Operation. Sealant placement was completed near the Union Street Bridge. Mobilization continued at the new GRT staging area. Photos of construction activities are provided below. Capping material placement in progress. Continued capping material placement in progress.