Lower Duwamish Waterway (LDW) Polychlorinated Biphenyls (PCB) Sampling

Agency: City of Seattle
State: Washington
Type of Government: State & Local
NAICS Category:
  • 541380 - Testing Laboratories
  • 541620 - Environmental Consulting Services
Posted Date: Aug 10, 2026
Due Date: Aug 26, 2026
Solicitation No: RFP #SCL-767077728
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Description


Project ID: RFP #SCL-767077728

Title: Lower Duwamish Waterway (LDW) Polychlorinated Biphenyls (PCB) Sampling

Addenda: 0

Release Date: 8/10/2026

Due Date: 8/26/2026

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Lower Duwamish Waterway (LDW) Polychlorinated Biphenyls (PCB) Sampling
Request For Proposal
Seattle City Light
Project ID: RFP #SCL-767077728
Release Date: Monday, August 10, 2026
· Due Date: Wednesday, August 26, 2026 4:00pm
Posted Monday, August 10, 2026 10:00am
All dates & times in Pacific Time
Draft Response Events RSVP No Bid15 days, 21 hours, 44 minutes


Post Information

Posted At:Mon, Aug 10, 2026 10:00 AM
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No
Overview


Summary

The City of Seattle is seeking proposals for Lower Duwamish Waterway (LDW) Polychlorinated Biphenyls (PCB) Sampling . Proposals are due no later than 4:00 pm on Wednesday, August 26, 2026 . All questions are to be submitted through the e-procurement portal at https://procurement.opengov.com/portal/seattle no later than 4:00 pm on Wednesday, August 19, 2026 .



Background

The City maintains a strong and long-standing commitment to contracting equity, including supporting local and small businesses and expanding opportunities for Women‑ and Minority‑Owned Business Enterprises (WMBE). Through its equity‑driven procurement practices, the City aims to ensure that WMBE firms have equitable access to contracting opportunities.



Timeline

Solicitation Release:
August 10, 2026
Pre-Submittal Conference (Non-Mandatory):
August 14, 2026, 2:00pm
MS Teams
Deadline for Questions:
August 19, 2026, 4:00pm
Response Submission Deadline:
August 26, 2026, 4:00pm
Announcement of Successful Proposer(s) - Shortlist for Interview:
Notification of shortlisting for interviews - September 14, 2026
Estimated Dates of Interviews (if Conducted):
September 15th - 18th, 2026 (tentative)
Notification of Award:
September 30, 2026
Contract execution :
November 16, 2026
Clarification Period :
09/30/2026 - 11/15/2026
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* Disclaimer: This website provides information about bids, requests for proposals (RFPs), or requests for qualifications (RFQs) for convenience only and does not serve as an official public notice. Individuals who wish to respond to or inquire about bids, RFPs, or RFQs should contact the relevant government department directly.