What the agency is buying

by RFPFinder from the notice and attachments; the solicitation governs

The Department of the Interior, National Park Service (NPS) is purchasing technical support services for CERCLA response actions at five contaminated sites in Washington, D.C. This is a sole source acquisition for time-and-materials services, justified by the incumbent contractor's unique expertise and specialized knowledge of the complex sites and ongoing litigation.

Scope

Technical support services for CERCLA response actions
Oversight of five contaminated sites in Washington, D.C.

Local presence requiredOption years: 2

How to get the bid documents

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Documents · 1 item, 1 file

PDF
Sole_Source_Justification_-_NACE_multi-site_-REDACTED_1.pdf283 KB · 4 pages
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Details

Place of performance: LAKEWOOD, Colorado
Buyer type: Federal
Notice type: Justification
Solicitation no.: 140P21-26-Q-0096
NAICS: NAICS 541620 (Environmental Consulting Services): 4 open RFPs
Size standard: $19M revenue SBA table, NAICS 541620
PSC: PSC F115 (ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL CONSULTING AND LEGAL SUPPORT)
Delivery location: Washington, D.C. from attachment p.1
Period of performance: Base period + 2 one-year option periods from notice
Contract type: Time and materials from attachment p.1
Local presence: Required
Amendments: None since Sep 23
Contact: Welch, Sarah
Office: NATIONAL PARK SERVICE · WASHINGTON CONTRACTING OFFICE
Email: Sarah_Welch@ios.doi.gov
Phone: 202-354-3974

Not stated in the notice: estimated value. Check the bid documents.

Contact details from the source notice. Contact the buyer only about this solicitation.

Key dates

Wed, Sep 23Posted

Not statedQuestions due

Not statedResponses due

Change log

verified Tue, Oct 6 · 10:30 PM MT

No amendments since posting on Wed, Sep 23; verified Tue, Oct 6 · 10:30 PM MT.

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Notice as published

F--Technical support services for CERCLA response actions at five sites

CERCLA technical services to support NPS' oversight of five contaminated sites in Washington DC; includes two one-year option periods. Details are in the attached sole source justification.

What this office paid before

USAspending.gov, last 36 months

6 awards matched · tier 1: this contracting office (140P21) + PSC F115. Most recent:

Sep 21, 2026VANASSE HANGEN BRUSTLIN INCCERCLA TECHNICAL SERVICES TO SUPPORT NPS' OVERSIGHT OF FIVE CONTAMINATED SITES IN WASHINGTON DC; INCLUDES TWO ONE-YEAR OPTION PERIODS.140P2126F0148 · DELIVERY ORDER · National Park Service · ends Sep 21, 2027$1.2M

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Pro shows every award with the recipient, amount, period and a link to the award record, plus a CSV export. $39/mo.

Awards updated Tue, Oct 6, 2026 · 4:05 AM MT.

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