# Proficiency Testing (PT) and Quality Control (QC) check samples.

Canonical: https://abierto.us/opportunities/68he0526r0001

- Solicitation number: 68HE0526R0001
- Notice type: Sources sought
- Status: Closed. Deadline was November 21, 2025 at 3:30 PM EST
- Department: Environmental Protection Agency
- Contracting office: Region 5 Contracting Office (68HE05)
- NAICS: 325199 All Other Basic Organic Chemical Manufacturing
- Product or service code: H966 Other Quality Control, Testing and Inspection Services: Instruments and Laboratory Equipment
- First posted: November 12, 2025
- Last posted: November 13, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/14b80960af5b433b8990fb58f96415b3/view

## Description

**Request for Information PLEASE NOTE:** For some unknown reason, the four attachments did not upload. Please send an email to olsson.daniel@epa.gov to request the attachments. EPA Region 5 is seeking information for Proficiency Testing (PT) and Quality Control (QC) check samples. See attached Specifications and Price Lists.

## Publications

- November 12, 2025: Sources sought, due November 21, 2025 at 3:30 PM EST. Notice 8c6ccfab0002448f8638c546160712c6. https://sam.gov/workspace/contract/opp/8c6ccfab0002448f8638c546160712c6/view
- November 13, 2025: Sources sought, due November 21, 2025 at 3:30 PM EST. Notice 14b80960af5b433b8990fb58f96415b3. https://sam.gov/workspace/contract/opp/14b80960af5b433b8990fb58f96415b3/view

## Points of contact

- Olsson, Daniel, Olsson.Daniel@epa.gov, 312 886 1423

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/68he0526r0001.