This Government Contract opportunity from Department Of The Interior was posted on September 7, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Sample Extraction and Isolation

Closed

Federal

Submission Closed09/12/2026, 12:00:00 AM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541380

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AI Contract Overview

This subcontract for Environmental Sample Extraction and Isolation is issued by the Department of the Interior's Office of Acquisition Grants and is designated as a total Small Business Set Aside under NAICS code 541380. The contractor will support prime contractors on USGS projects by performing physical and chemical preparation of environmental samples to deliver purified microplastic concentrates. The scope of work involves removing materials larger than 4.78 mm using a 4-mesh sieve, prefiltering water through 0.2-micron filters, and utilizing nitric acid, ferrous chloride, and hydrogen peroxide for chemical oxidation. Additionally, the contractor must execute sequential density separation to isolate plastic polymers. Due to the nature of the work, the contractor is required to maintain hazardous chemical handling certifications and strict contamination control protocols.

General Info

Small business subcontract for USGS environmental sample extraction and microplastic concentrate purification.

Agency

Department Of The Interior → Office Of Acquisiton Grants

NAICS

541380 - Testing Laboratories and Services

Place of Performance

Set-Aside

SBA

Documents

This scope was carved out of 140G0126Q0283.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

MICROPLASTICS ANALYSIS SAMPLING BASE

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Timeline

PhaseClosed

PostedSep 7

subcontract

Response DeadlineSep 12

Deadline has passed

Submission Closed

09/12/2026, 12:00:00 AM UTC

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Organization & Contact Information

AgencyDepartment Of The Interior → Office Of Acquisiton Grants

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Interior → Office Of Acquisiton Grants

Office AddressN/A

ContactsNo contact information available

Full Description

Performs physical and chemical preparation of environmental samples for prime contractors on USGS projects. Removes materials >4.78 mm via 4-mesh sieve, prefilters water via 0.2-micron filters, and performs chemical oxidation using nitric acid, ferrous chloride, and hydrogen peroxide. Executes sequential density separation to isolate plastic polymers. Requires hazardous chemical handling certifications and contamination control. Delivers purified microplastic concentrates.