TETRA TECH, INC. - THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) HOMESTAKE MINING COMPANY (HOMESTAKE) AS THEY PERFORM AN ENGINEERING EVALUATIONS/COST ANALYSIS (EE/CA) FOR THE MAC & BLACK JACK MINES IN THE

PIID: 68HE0923F0067

Signed Date: Dec 8, 2025Effective Date: Aug 10, 2023End Date: Closes in 331 days

Award $

$100K

Vendor

TETRA TECH, INC.

NAICS

541620

Signed Date

Dec 8, 2025

Key Details

Dollars Obligated

$100,000

Base & All Options

Awarding Agency

Environmental Protection Agency

Awarding Sub-Agency

Environmental Protection Agency

NAICS Code

541620 - ENVIRONMENTAL CONSULTING SERVICES

Product Service Code

B510 - SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS

Extent Competed

FULL AND OPEN COMPETITION

Place of Performance

GALLUP, NM, 873014550, CD-NM-03

Description

THE CONTRACTOR SHALL PROVIDE TECHNICAL ASSISTANCE FOR OVERSIGHT OF THE POTENTIALLY RESPONSIBLE PARTY (PRP) HOMESTAKE MINING COMPANY (HOMESTAKE) AS THEY PERFORM AN ENGINEERING EVALUATIONS/COST ANALYSIS (EE/CA) FOR THE MAC & BLACK JACK MINES IN THE

Context & Analysis

On Dec 8, 2025, Environmental Protection Agency obligated $100,000 to TETRA TECH, INC. for the contractor shall provide technical assistance for oversight of the potentially responsible party (prp) homestake mining company (homestake) as they perform an engineering evaluations/cost analysis…. The award is classified under NAICS 541620 — ENVIRONMENTAL CONSULTING SERVICES and issued as a time and materials contract. Competition extent: full and open competition. Performance is located in GALLUP, NM. The contract is scheduled through Aug 9, 2027 — approximately 11 months remaining. This award is one of several similar procurements from Environmental Protection Agency under NAICS 541620 — related awards are listed below.

Contractor Information

Contractor: TETRA TECH, INC.

UEI: J8CNBANBZ6U8

CAGE Code: 1HWF1

Location: OAKLAND, CA

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