This Subcontract opportunity from Department Of The Interior was posted on December 17, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Stable Isotope Ratio Mass Spectrometry (SIR-MS) Analysis Services

Closed

Federal

Submission Closed12/19/2025, 07:00:00 PM EST

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Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541380

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Environmental & Materials TestingThis subcontract opportunity, issued by Murphy Pipeline Contractors, LLC, involves providing environmental and materials testing for the Highlands Homes Water Distribution System Upgrades in Sebring, Florida. The selected contractor will be responsible for performing critical pressure, bacteriological, and materials testing to ensure water lines are free of leaks and contamination while verifying that all materials meet strength and compliance standards. The scope of work concludes with the delivery of formal testing reports and certifications. This opportunity is designated as a set-aside for Disadvantaged Business Enterprises under the Department of Transportation and falls under NAICS code 541380. Interested parties must submit their responses by November 23, 2026.

Murphy Pipeline Contractors, LLC

POSTED

DEADLINE

Environmental Monitoring and Materials TestingThis subcontract opportunity with Manson Construction Co. involves providing environmental monitoring and materials testing for the WETA Vallejo Ferry Terminal Reconfiguration projects. The selected contractor will be responsible for testing steel and concrete while monitoring environmental impacts throughout the construction process to ensure project integrity and regulatory adherence. Key deliverables include the submission of detailed testing reports and official compliance certifications. The opportunity is designated as a small business set-aside, specifically for Disadvantaged Business Enterprises under the Department of Transportation, falling under NAICS code 541380. Interested parties must respond by November 20, 2026, following the posting date of November 13, 2026.

Manson Construction Co.

POSTED

DEADLINE

Production Lot Testing and CertificationThis subcontract, titled Production Lot Testing and Certification, involves providing independent testing and validation of production lot samples for prime contractors working on Defense Logistics Agency projects. The selected provider will conduct tests on PLT samples according to the Sample Plan and Technical Data Package using calibrated Measuring and Test Equipment. Key deliverables include detailed test reports documenting actual results and tolerances, material and process certifications, and signed DD250 or IRAPT reports. Managed by the DLA Weapons Support Land Supply Chain under the Department of Defense, the work is categorized under NAICS code 541380 and will be performed in Jacksonville, Florida. The solicitation was posted on November 13, 2026, with a response deadline of November 23, 2026.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

DEADLINE

High Pressure Proof Firing and First Article TestingThis subcontract, issued by the DLA Weapons Support Land Supply Chain for the Department of Defense, involves providing safety and quality validation testing for prime contractors on firearm projects. The scope of work focuses on conducting high pressure proof firing using M60 7.62MM ammunition and executing Contractor First Article Tests to ensure manufacturing process compliance and structural integrity. The selected provider will utilize proof-firing ranges to perform these tests and is responsible for delivering final test reports and FAT certifications. The project is categorized under NAICS code 541380 and will be performed in New Cumberland, Pennsylvania. Interested parties should note the response deadline of November 23, 2026, for this specialized technical service requirement.

DLA WEAPONS SUPPORT LAND SUPPLY CHAIN

POSTED

DEADLINE

First Article Testing (FAT) and Reporting ServicesThis subcontract, issued by the Department of Defense under the DLA Weapons Support Land Supplier Operations Vehicle Support agency, requires technical testing and documentation for the first article production of vehicular covers. The selected provider will execute First Article Tests to verify the fit and durability of the covers for prime contractors, ensuring all products meet specified standards before full-scale production. The primary deliverable is a formal First Article Test report generated according to the DI-NDTI-80809B data item description format and submitted to the contracting officer. This opportunity is designated as a Total Small Business Set-Aside under NAICS code 541380, with performance taking place in New Cumberland, Pennsylvania.

DLA WEAPONS SUPPORT LAND SUPPLIER OPNS VEHICLE SPT

POSTED

DEADLINE

Production Lot Testing (PLT)The Production Lot Testing subcontract, issued by the Defense Logistics Agency under the Department of Defense, involves performing critical post-production testing to validate the safety of aircraft safety belts for prime contractors. The scope of work requires the execution of Production Sample Tests using specialized testing rigs to simulate load and failure points, ensuring that all items meet the specific tolerances outlined in the technical data package. The primary objective is to ensure aircraft safety through rigorous validation and the delivery of government-acceptable test reports. These reports must document actual test results compared against required tolerances to confirm compliance. This effort falls under NAICS code 541380 and is essential for maintaining safety standards for DLA supply contracts.

Defense Logistics Agency

POSTED

DEADLINE

Specialized Utility Inspection and Leak DetectionThis subcontract for Specialized Utility Inspection and Leak Detection involves performing technical inspections of water and utility infrastructure for prime contractors on projects managed by Triple A S.A. E.S.P. in Colombia. The scope of work includes conducting pre-billing inspections, verifying unauthorized connections, and reviewing meter installations to ensure operational accuracy. The selected provider will utilize advanced acoustic, ultrasonic, or thermal imaging equipment to detect leaks and investigate hydraulic efficiency. Key deliverables for the contract include the submission of detailed inspection reports and the maintenance of an updated database documenting all connections and identified leak locations.

POSTED

DEADLINE

Equine Doping and Illegal Substance Laboratory AnalysisThis subcontract for Equine Doping and Illegal Substance Laboratory Analysis supports prime contractors working with the Illinois Department of Agriculture Bureau of County Fairs and Horse Racing. The selected provider will perform specialized chemical and toxicological analysis on blood and urine samples, including paired samples, post-race blood-only samples, and pre-race TCO2 blood-only samples, to detect the presence of illegal substances. To ensure high-sensitivity detection and accuracy, the laboratory must utilize Mass Spectrometry and HPLC technology while adhering to strict chain-of-custody protocols. The primary deliverable consists of detailed analytical reports confirming whether illegal substances are present. This opportunity falls under NAICS code 541380 and is managed by the state of Illinois.

FRHRSRACE406 - Fairs & Horse Racing

POSTED

DEADLINE

AGR-County Fairs-Horse Testing

Solicitation # B-54797

The Illinois Department of Agriculture, specifically the Bureau of County Fairs and Horse Racing, is seeking a vendor to provide doping substance testing for competing horses to ensure competition integrity. The scope of work involves analyzing blood and urine samples for a wide array of illegal substances, including anabolic androgenic steroids, non-steroidal anti-inflammatory drugs, stimulants, hormones, peptides, opioids, cannabinoids, and hallucinogens. The estimated annual volume includes up to 31 paired blood and urine samples, 135 blood-only samples for post-race testing, and fewer than 25 TCO2 blood samples for pre-race testing. To ensure legally defensible results, the vendor's laboratory must be accredited under ISO/IEC 17025-2017 and the Competition Animal Drug Testing Laboratory Accreditation Program, and all testing must be performed by the vendor's own staff without the use of third parties. This small purchase contract requires the vendor to adhere to strict state and federal regulations, including the State Prompt Payment Act and the Illinois Freedom of Information Act. Key administrative requirements include maintaining general commercial liability insurance of $1,000,000 per occurrence and auto liability of $1,000,000. Vendors must provide several certifications, including compliance with the Illinois Pension Code, tax obligations, and ethics standards regarding bribery and collusion. Invoicing is generally handled upon contract completion unless specific milestones are agreed upon, with a strict deadline of July 31 for any expenses incurred through June 30. The procurement is managed via the BidBuy portal under solicitation number B-54797.

FRHRSRACE406 - Fairs & Horse Racing

POSTED

DEADLINE

E.coli Laboratory Testing and AnalysisThis subcontract for E.coli Laboratory Testing and Analysis involves performing specialized laboratory analysis of shellfish samples to detect and quantify E.coli levels. Supporting prime contractors on statutory monitoring projects for the Fisheries And Aquaculture Science Centre For Environment, the selected provider will process biological samples using standardized microbiological methods and strict QA/QC protocols to ensure accurate statutory reporting. The provider must utilize appropriate microbiological laboratory facilities, incubators, and specialized reagents, and is required to hold ISO 17025 or equivalent UKAS accreditation. The primary deliverable consists of certified laboratory reports detailing the E.coli levels found in each sample. Responses for this opportunity are due by December 9, 2026.

Fisheries And Aquaculture Science Centre For Environment

POSTED

DEADLINE

CEFAS26-120 Statutory shellfish E.coli monitoring service for Shetland and Orkney

Solicitation # ocds-h6vhtk-077eca

The Centre for Environment, Fisheries and Aquaculture Science (Cefas) is soliciting an integrated end-to-end service to support the Food Standards Scotland (FSS) official control programme for monitoring faecal contamination in live bivalve molluscs. Primarily focusing on Shetland and Orkney, the contract involves the logistics and laboratory analysis of approximately 52 shellfish samples per month, totaling 624 annually. The supplier is responsible for establishing reliable delivery arrangements from remote island locations, providing and replenishing approved packing equipment, and ensuring samples reach the laboratory within 48 hours of collection while maintaining a temperature between 1-10°C. Laboratory analysis must utilize approved UK National Reference Laboratory methods for the enumeration of Escherichia coli, specifically the 5-tube, 4-dilution MPN method derived from ISO 16649-3 or the colony count method based on ISO 16649-2. The contract is estimated to be valued at 600,000 GBP excluding VAT (720,000 GBP including VAT). The initial period of performance is from February 1, 2027, to March 31, 2028, with potential extensions through March 31, 2033, consisting of two further periods of 24 and 36 months. Award criteria are weighted toward technical quality at 70%, price at 20%, and social value quality at 10%. Deliverables include the upload of results and rejections to the FSS Shellfish Monitoring and Classification Scotland Dashboard and the provision of monthly and quarterly performance data. The procurement is particularly suited for small and medium-sized enterprises as well as voluntary, community, and social enterprises.

Fisheries And Aquaculture Science Centre For Environment

POSTED

DEADLINE

Water Quality Sampling & Laboratory AnalysisThis subcontract opportunity is for the provision of laboratory testing and analysis of water samples to support prime contractors on river projects for the Newry, Mourne and Down District Council. The scope of work involves performing detailed chemical and biological analyses of river water to monitor nutrient levels and detect pollutants, utilizing specialized equipment such as chromatographs and spectrophotometers. To ensure technical competence and accuracy, the selected provider must hold ISO/IEC 17025 accreditation for testing and calibration laboratories and is responsible for delivering certified analysis reports. Interested parties must submit their responses by November 27, 2026.

Newry, Mourne and Down District Council (NMD)

POSTED

1 day ago

DEADLINE

in 13 days

AI Contract Overview

The Department of the Interior is seeking a subcontractor to provide Stable Isotope Ratio Mass Spectrometry analysis services. The scope of work involves performing high-precision stable isotope analysis for oxygen, carbon, and nitrogen on powdered calcium carbonate samples derived from biogenic sources. The selected provider will be responsible for the entire analytical process, including sample preparation, calibration, data generation, and the implementation of quality assurance and quality control protocols. This opportunity is categorized under NAICS code 541380 and was posted on December 17, 2025. Interested parties must submit their responses by the deadline of December 20, 2025. The contract is managed through the Office of Acquisition and Grants.

General Info

Agency

Department Of The Interior → Ofc Of Acqusition Grants-national

NAICS

541380 - Testing Laboratories and Services

Place of Performance

Set-Aside

NONE

Documents

This scope was carved out of 140G0126Q0024.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

B--Laboratory Services Stable isotope ratios

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Timeline

PhaseClosed

PostedDec 17

subcontract

Response DeadlineDec 19

Deadline has passed

Submission Closed

12/19/2025, 07:00:00 PM EST

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Organization & Contact Information

AgencyDepartment Of The Interior → Ofc Of Acqusition Grants-national

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Interior → Ofc Of Acqusition Grants-national

Office AddressN/A

ContactsNo contact information available

Full Description

Perform high-precision stable isotope analysis (δ¹⁸O, δ¹³C, δ¹⁵N) on powdered calcium carbonate samples from biogenic sources using SIR-MS, including sample preparation, calibration, data generation, and QA/QC.

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Stable Isotope Ratio Mass Spectrometry (SIR-MS) Analysis Services

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