# SAM #70B06C25P00000120

Modification to Purchase Order for Cotton Attribution IRMS Analysis

**Buyer:** CBP IT Contracting Division
**Posted:** September 22, 2026
**Identifier:** 70B06C25P00000120
**NAICS:** 541380, 541990

This document announces a modification to an existing purchase order by the U.S. Department of Homeland Security, Customs and Border Protection, for continued cotton attribution analysis services.
- Modification P00003 to Purchase Order 70B06C25P00000120
- Service: Isotope Ratio Mass Spectrometry (IRMS) analysis for finished cotton goods
- Purpose: Geographical attribution of cotton goods
- No specific OEMs, vendors, part numbers, or quantities provided
- Unique requirement: Use of IRMS for determining cotton origin
- No new products or equipment are being procured; this is a continuation of analytical services
- No changes to period of performance or contract value specified

### Description

<p>Modification P00003 to Purchase Order 70B06C25P00000120 is for continued capability for analyzing finished cotton goods for geographical attribution by Isotope Ratio Mass Spectrometry (IRMS) analysis.&nbsp;</p>

[View original listing](https://sam.gov/opp/e14254153b4d4a65a492636dab60c663/view)