Project Information

Bid Title

Component Repair and Calibration

Issuing Agency

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

Location

Minnesota

Published Date

Sep 17, 2026

Closing Date

Sep 21, 2026

Government Level

Federal

Status

Closed

Ref. #

75301-26-Q-79276

Original Source

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Bid Inquiries

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Bid Documents

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Set Aside

No Set aside used

Project Description

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Component Repair and Calibration

Active

Contract Opportunity

Notice ID

75301-26-Q-79276

Related Notice

Department/Ind. Agency

HEALTH AND HUMAN SERVICES, DEPARTMENT OF

Sub-tier

CENTERS FOR DISEASE CONTROL AND PREVENTION

Office

CDC OFFICE OF ACQUISITION SERVICES

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General Information View Changes

• Contract Opportunity Type: Solicitation (Updated)
• Updated Published Date: Sep 17, 2026 07:25 am EDT
• Original Published Date: Sep 17, 2026 07:24 am EDT
• Updated Date Offers Due: Sep 21, 2026 10:00 am EDT
• Original Date Offers Due: Sep 21, 2026 10:00 am EDT
• Inactive Policy: Manual
• Updated Inactive Date: Sep 21, 2026
• Original Inactive Date: Sep 21, 2026
• Initiative:
  • None

Classification

• Original Set Aside: No Set aside used
• Product Service Code: J066 - MAINT/REPAIR/REBUILD OF EQUIPMENT- INSTRUMENTS AND LABORATORY EQUIPMENT
• NAICS Code:
  • 811210 - Electronic and Precision Equipment Repair and Maintenance
• Place of Performance:
  Shoreview , MN 55126
  USA

Description

Notice of Intent

The Centers for Disease Control and Prevention intends to award a sole source firm fixed price

purchase order to TSI Incorporated 500 Cardigan Road Shoreview, MN 55126 (CAGE Code:

24575) for the purchase of repair and calibration services for Government owned equipment.

Only the manufacturer (TSI Inc.) can repair and calibrate the Aerodynamic Particle Sizer because

proprietary models must be adjusted for the calibration, proprietary knowledge of internal flow

regulators is needed for the repair, and unique access to instrument components that are located

behind embedded electronics is required. Alternative service providers are not available because

proprietary information on the instrument operating model and flow regulation system is

required.

Description

TCI shall repair and calibrate 3 Aerodynamic Particle Sizers with an expected turnaround of 21

days. Upon receipt of instruments, TSI Inc. shall bring the 3 Aerodynamic Particle Sizers to a

calibration flow rate of 5 liters per minute (lpm) (1 lpm for sample + 4 lpm for sheath) and

maintain the calibration flow rate, even with a pressure drop of up to 50 inH20 at the inlet by

adjusting microprocessor controlled volumetric flow control, barometric pressure correction, and

separate pumps for sheath and total flows, to enable the Aerodynamic Particle Sizers to operate

under a wide range of conditions and still maintain calibration.

TSI Inc. shall also calibrate the 3 Aerodynamic Particle sizers for precise and accurate numbersize

distributions for 0.37 to 20 micrometers aerodynamic diameter using a time-of-flight

technique, and a patented, double-crest optical system to detect the occurrence of particle

coincidence (when more than one particle is in the detection area) and to identify poor signals

near the instrument’s lower detection threshold. The Government will provide the following

components for repair and calibration:

1. Aerodynamic Particle Sizer-S/N 1169

2. Aerodynamic Particle Sizer-S/N 1203

3. Aerodynamic Particle Sizer-S/N 72321006

Attachments/Links

Contact Information

Contracting Office Address

• 1600 CLIFTON ROAD
• ATLANTA , GA 30333
• USA

Primary Point of Contact

• Sandra Adams
• ab41@cdc.gov
• Phone Number 7704885543

Secondary Point of Contact

History

• Sep 17, 2026 07:25 am EDTSolicitation (Updated)
• Sep 17, 2026 07:24 am EDT Solicitation (Original)

Commodity Codes

• FSC JMaintenance, Repair, and Rebuilding of Equipment

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