Lower Duwamish Waterway (LDW) Polychlorinated Biphenyls (PCB) Sampling Request For Proposal

Description: The City of Seattle is seeking proposals from a consultant to collect transformer-oil samples for PCB analysis in the Lower Duwamish Waterway and visually inspect City Light equipment. The estimated project budget is $479,610, and offerors must demonstrate experience sampling electrified transformers and completing at least two comparable projects in the last 15 years. The RFP was released August 10, 2026, is funded by a Washington State Department of Ecology grant subject to federal solicitation requirements, and proposals are due August 26, 2026 at 4:00 p.m. Pacific Time.