Cation exchange capacity and X-ray diffraction of geologic samples
Closed Pre-Solicitation Posted
This opportunity was awarded. See the award notice from , or the latest solicitation from .
- Solicitation number
- 140G0226Q0176
- Agency
- Office of Acquisitions and Grants US Geological Survey, Department of the Interior
- Responses due
- Set-aside
- Total Small Business
Opportunity facts
- NAICS code
- 541380 Testing Laboratories and Services
- PSC
- B599 Special Studies/Analysis- Other
- Points of contact
-
- Jennifer Rollin jennifer_rollin@ios.doi.gov (303) 236-9321
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Geological Survey Office of Acquisitions and Grants intends to solicit mineralogical analysis services for geologic samples under a total small business set-aside, with a sources sought notice due September 15, 2026.
The procurement covers two tasks: quantitative cation exchange capacity (CEC) and X-ray diffraction (XRD) analysis of 150 samples using full pattern fitting techniques, with CEC values reported at 0.1 meq/100g precision and results delivered in Excel spreadsheet format with raw xy data files; and specialized clay mineralogy analysis on 30 samples to identify specific clay types within the clay size fraction. The sources sought notice is market research only and is not a formal solicitation, RFP, RFQ, or IFB; submission is voluntary and respondents bear all associated costs. The Central Energy Resources Science Center is the requesting component.
NAICS 541380 (Testing Laboratories and Services) and PSC B599 (Special Studies/Analysis—Other) apply.
Notice text
Cation exchange capacity and X-ray diffraction of geologic samples
Attachments
| File | Type | Posted |
|---|---|---|
| A14_Sources_Sought_Notice_1.pdf |
Notice history
| Notice | Type | Posted |
|---|---|---|
| Cation exchange capacity and X-ray diffraction of geologic samples | Award Notice | |
| Cation exchange capacity and X-ray diffraction ana | Solicitation | |
| Cation exchange capacity and X-ray diffraction of geologic samples | Pre-Solicitation |
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