PR4200896570SOWJHdbaEnSci_60ozonesondes__R.Stauffer_20250310185504.742_X.doc

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60 EnSci Electrochemical Concentration Cell (ECC) ozonesondes.
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80NSSC256570
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This Statement of Work (SOW) details NASA's requirement for 60 EnSci Electrochemical Concentration Cell (ECC) ozonesondes for the SHADOZ long-term measurement station in Nairobi, Kenya. The procurement supports multi-decadal balloon-borne ozone profile records used for satellite validation, ozone and pollution trends, and climate studies, with instruments to be shipped to MeteoSwiss in Switzerland for logistics and distribution to the Nairobi station.

The one-year procurement covers ozonesondes to be launched from September 2025 to August 2026, with NASA/NSSC intending to issue a sole source contract to JH Acquisitions, LLC under FAR 13.106-1(b)(1)(i). The contract is justified because JH Acquisitions is the manufacturer of existing ozonesondes compatible with current NASA equipment. The NAICS code for this procurement is 334516, and interested organizations may submit capabilities and qualifications by 4:00 p.m. EST on 3/14/2025, with the government retaining discretion on competitive procurement strategies.

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STATEMENT OF WORK

2025 Nairobi SHADOZ Station EnSci Ozonesonde Order

PR: 4200896570

Background

· The SHADOZ long-term ozonesonde measurement station in Nairobi, Kenya needs to continue their multi-decadal balloon borne ozone profile records for satellite validation, ozone and pollution trends, and climate studies. This requirement is for 60 EnSci (JH Acquisition, LLC) Electrochemical Concentration Cell (ECC) ozonesondes. The EnSci ozonesonde is required to ensure consistency with the existing Nairobi SHADOZ records, and compatibility with the ground data collection systems currently in place at the Nairobi SHADOZ station.

Scope

· The operators at the Nairobi SHADOZ stations shall prepare, launch, and collect the data from the EnSci ozonesondes, and send the data to NASA/GSFC in Greenbelt, MD.

· These instruments will be shipped to MeteoSwiss colleagues in Payerne, Switzerland who assist with the logistics and shipping for the Nairobi SHADOZ station in Nairobi.

Place of Performance

· This work (launching these instruments on free-flying weather balloons) will be performed at the Nairobi SHADOZ station.

Period of Performance

· This order represents an approximately one-year supply of EnSci ozonesondes to be launched from ~September 2025 to August 2026.

File details come from the government source that posted it. Updated .