# SAM #140GG027Q0022

Laboratory analysis of 70 Maurepas SPATT samples for cyanotoxins

**Buyer:** USGS CONTRACTING ACTIVITY
**Posted:** November 05, 2026
**Respond By:** November 16, 2026
**Identifier:** 140GG027Q0022
**NAICS:** 541380

The U.S. Geological Survey is seeking laboratory testing of Maurepas SPATT samples to support baseline water-quality research.
- **Government buyer:** U.S. Geological Survey (USGS), USGS Programs–Reston; Louisiana Water Science Center.
- **Requested service:** Extract and analyze 70 SPATT samples for microcystin, anatoxin, cylindrospermopsin, saxitoxin, and their congeners using LC/MS/MS and approved standards.
- **Deliverables and handling:** Provide results and QA/QC metadata in a format suitable for ScienceBase archiving. USGS supplies the samplers and ships frozen samples to the contractor’s laboratory; extraction and analysis take place there.
- **OEMs and vendors:** No OEMs or specific vendors are named in the notice.
- **Requirements:** Competitive laboratory testing opportunity set aside for small businesses under NAICS 541380, Testing Laboratories. The work supports baseline research ahead of a planned Mississippi River diversion.

### Description

The U.S. Geological Survey Louisiana Water Science Center, Baton Rouge, LA  requires analysis of SPATT samples for microcystin, anatoxin, cylindrospermopsin and saxitoxin congeners.<br/><br/>The period of performance is one year ARO.<br/><br/>There are four option years <br/><br/>Competitive Request for Quotations (RFQ) 140GG027Q0022 is a small business set aside under NAICS code 541380 Testing Laboratories   The size standard is $19 million.<br/>Question cutoff: 2 days prior to the closing of the solicitation <br/>The anticipated award date of the contract is 7 days after the solicitation closes.  <br/><br/>SAM REQUIREMENT- Offeror must be registered in the SAM - SYSTEM FOR AWARD MANAGEMENT database before an award can be made to them.<br/><br/>All responsible sources may submit a quotation which shall be considered by the agency.  <br/>All questions shall be emailed to mindie_dixon@ios.doi.gov<br/>Quotations shall be submitted to Mindie Dixon at mindie_dixon@ios.doi.gov <br/>

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