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NOTICE OF INTENT TO SOLE SOURCE: TSI Incorporated Quest Edge 8M Noise Dosimeters (Part Number: TSI 5EG8M-BT-D) and Microphones (Part Number: MIC-EG8)

Closed

DosimetersFederal

Submission Closed06/15/2026, 09:00:00 PM UTC

Contract Overview

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

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NAICS: 334519

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AI Contract Overview

The U.S. Department of Labor’s Mine Safety and Health Administration is expressing its intent to award a sole source contract to TSI Incorporated for the procurement of specialized Quest Edge 8M Noise Dosimeters (Part Number: TSI 5EG8M-BT-D) and accompanying Microphones (Part Number: MIC-EG8), which have been uniquely developed and approved by MSHA as intrinsically safe for use in underground coal mines. These are the only products currently certified by MSHA for this specific safety requirement, eliminating the possibility of competitive bidding due to their exclusive compliance with federal mining safety standards. The notice serves an informational purpose only and does not constitute a solicitation, but interested parties may submit a capability statement by June 15, 2026, to demonstrate their ability to supply the same or equivalent products at no cost or obligation to the government. All submissions must be in writing, clearly establish bona fide capability, and be sent to the designated government email contacts. The government retains full discretion to proceed with the sole source award or cancel the requirement based on the responses received.

General Info

MSHA plans sole source contract with TSI for intrinsically safe noise dosimeters by June 2026.

Agency

Department Of Labor → DOL - Cas Division 4 ProcurementView Agency

NAICS

334519 - Other Measuring and Controlling Device ManufacturingView NAICS

Place of Performance

Set-Aside

NONE

Documents

(0)

No documents available

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Timeline

1 update

PhaseClosed

PostedMay 29

Presolicitation

Amendment 1Jun 1

Contract was updated

Response DeadlineJun 15

Deadline has passed

Submission Closed

06/15/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Labor → DOL - Cas Division 4 Procurement

Contacts2 people available

OfficeWASHINGTON, DC, 20210, USA

Organization / Agency

Department Of Labor → DOL - Cas Division 4 Procurement

View Agency Profile

Office AddressWASHINGTON, DC, 20210, USA

Contacts

Ryan Proietto

contact@example.gov

Alicia Jackson

contact@example.gov

Full Description

THIS IS NOT A REQUEST FOR PROPOSAL. THIS IS A NOTICE OF THE GOVERNMENT'S INTENT TO ISSUE A SOLE SOURCE CONTRACT TO TSI INCORPORATED TO ASSIST THE U.S. DEPARTMENT OF LABOR'S (DOL), MINE SAFETY AND HEALTH ADMINISTRATION (MSHA), MINE SAFETY AND HEALTH ENFORCEMENT.

This effort is to procure TSI Incorporated Quest Edge 8M Noise Dosimeters (Part Number: TSI 5EG8M-BT-D) and Microphones (Part Number: MIC-EG8) that TSI Incorporated has created specifically for MSHA. The TSI Incorporated Quest Edge 8M Noise Dosimeter and Microphone are the only products for this requirement that have received MSHA approval as intrinsically safe for use in underground coal mines.

This is a sole source notice published for informational purposes only and not a request for competitive proposals. Therefore, no solicitation documents exist for this requirement. However, all responsible parties interested in responding to this notice are invited to submit a capability statement by Monday, 06/15/2026, 5:00 pm ET, that provides sufficient details for consideration by the Government, via email to: proietto.ryan.v@dol.gov and jackson.alicia.m@dol.gov. The determination not to compete the contract based on the responses to this notice is solely within the discretion of the Government.

All information submitted should support the offeror's capability to provide the products required and shall be furnished at no cost or obligation to the Government. Responses must be in writing and must provide clear and concise documentation indicating an offeror's bona fide capability to provide these products. The Government reserves the right to cancel this requirement.