The U.S. Geological Survey (USGS) is conducting market research to determine the availability of qualified businesses capable of providing a hand-held gamma ray detector spectrometer as described in the required features and specifications below. This sources sought announcement is not a request for quote or proposal and the Government is not committed to award of a purchase order or contract pursuant to this announcement. The information resulting from this market research is simply for planning purposes to assist the Government in determining its acquisition strategy. The Government will not pay for any costs incurred in the preparation of information for responding to this notice.

The North American Industry Classification System (NAICS) code - 334516 Analytical Laboratory Instrument Manufacturing, with the associated size standard of 1,000 employees apply to this announcement.

All responsible sources may submit a brochure and/or technical specifications detailing the ability of meeting the required features and specifications included with this announcement.


Please no phone calls. Responses to this announcement shall only be accepted through electronic mail addressed to thuot@usgs.gov and must be uploaded and received in their entirety no later than 12/18/2023 at 1700 PS. Responses submitted by hardcopy or the SAM web portal shall not be accepted or considered.

Required features and specifications:

Please specify country of manufacture on brochure.

· Lightweight & rugged 2kg (4.4 lb) including batteries
· Easy-to-use, single button operation
· Assay mode readout in %K, ppm of U and Th
· Auto-stabilizing on naturally occurring radio elements
· Fast audio output with adjustable audio threshold set point
· Bluetooth and USB equipped with external GPS integrated into data stream via BT
· Special rugged design to withstand field usage, weatherproofing, water and dust protection
· Typical 8-12 hour battery life at 20°C (4 x AA batteries)

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