This Government Contract opportunity from Department Of The Interior was posted on August 5, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Tree Ring Sample Preparation (Cutting, Mounting, Sanding)

Closed

Federal

Submission Closed08/13/2026, 12:00:00 AM UTC

Contract Overview

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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Certified Hazardous Waste Analytical TestingThis subcontract opportunity with the California Department of Transportation involves providing certified chemical analyses of waste samples for prime contractors working on hazardous waste projects. The selected provider will conduct laboratory testing to determine disposal requirements and deliver analytical reports essential for manifest and profiling purposes. Performance of these services is centered in Inyo. To be eligible, the contractor must operate a state-certified laboratory holding both SWRCB-ELAP and CalEPA Environmental Laboratory Accreditation Program certifications. Interested parties must submit their responses by November 10, 2026, under NAICS code 541380.

California Department of Transportation

POSTED

DEADLINE

Lead Testing and Environmental SamplingThis subcontract for Lead Testing and Environmental Sampling supports prime contractors on Gwinnett County Government firing range projects. The scope of work involves performing lead-level testing and wipe sampling on cleaned surfaces and within mechanical rooms to ensure lead concentrations remain below the threshold of 400 ug/ft2. All activities must be conducted using lead sampling kits and laboratory analysis in strict accordance with EPA and OSHA lead testing standards. The selected provider is responsible for delivering comprehensive testing reports and official clearance documentation to verify that the facilities are safe for occupancy and use. This opportunity falls under NAICS code 541380 and is associated with the state of Georgia. Interested parties should note the response deadline of November 13, 2026.

Gwinnett County Government

POSTED

DEADLINE

Hazardous Waste Sampling and Profiling ServicesThis subcontract for Hazardous Waste Sampling and Profiling Services supports prime contractors on OC Waste and Recycling projects in California. The selected provider will perform chemical analysis and categorization of unknown or regulated waste streams, utilizing field sampling and specialized laboratory equipment such as Draeger pumps and OVA/HNU monitors to identify contaminants. All operations must be conducted by a certified environmental laboratory that maintains full compliance with California Code of Regulations Title 22. The primary deliverables for this engagement include detailed waste profile reports and formal categorization documentation. Interested parties should note that the response deadline is November 25, 2026, and the services fall under NAICS code 541380.

POSTED

DEADLINE

Certified Independent Concrete Testing Laboratory ServicesThis subcontract for Certified Independent Concrete Testing Laboratory Services involves providing independent quality control testing for prime contractors working on Maryland Transit Administration light rail projects. The scope of work requires the securing of samples according to ASTM C 172, the curing of specimens per ASTM C 31, and the execution of compressive strength tests on cylinders to ensure a design strength of 7,000 psi. The selected provider is responsible for delivering all necessary certified test reports and comprehensive QA/QC documentation. This opportunity falls under NAICS code 541380, with a response deadline set for November 17, 2026.

Maryland Transit Administration

POSTED

DEADLINE

Environmental & Material Testing ServicesThis subcontract opportunity for Environmental and Material Testing Services supports prime contractors working on historic facility projects within Warren County, Virginia, specifically in Front Royal. The selected provider will be responsible for conducting comprehensive material testing and identifying hazardous substances, including lead and asbestos, while performing necessary environmental reviews. To qualify, contractors must possess the required certifications for environmental sampling and laboratory analysis. Key deliverables for this engagement include detailed material testing reports and the provision of environmental clearance or remediation plans. Interested parties must submit their responses by November 19, 2026.

POSTED

DEADLINE

Third-Party Construction Materials Testing & InspectionThis subcontract for Third-Party Construction Materials Testing and Inspection supports the University of Massachusetts Medical School West Garage Modernization projects in Shrewsbury. The selected provider will perform independent quality assurance, field inspections, and materials testing for concrete, asphalt, and steel to ensure all construction materials comply with engineering specifications. Key deliverables include the submission of certified test reports and detailed inspection logs. To qualify for this engagement, the contractor must hold professional PE licensure and maintain laboratory accreditation through AASHTO or ASTM. The solicitation was posted on October 27, 2026, with a response deadline of November 17, 2026. The project falls under NAICS code 541380 and is managed through the University of Massachusetts System.

University of Massachusetts System

POSTED

DEADLINE

West Garage Modernization - 3rd Party Testing

Solicitation # BD-27-1109-UMMS-UMMS-134854

The University of Massachusetts System, specifically the UMass Medical School, has issued solicitation BD-27-1109-UMMS-UMMS-134854 for third party construction materials testing and inspection services as part of the West Garage Modernization project. This open market procurement is based in Shrewsbury, Massachusetts, with the performance of services occurring at the Washington Street location. The solicitation was posted on October 27, 2026, and requires responses by November 17, 2026. Administrative oversight is managed by the UPST Procurement Office, with Toby Lau serving as the primary purchaser. All inquiries and billing are directed to the office located at 50 Washington Street, Shrewsbury, MA 01581. While the contract specifies a single line item for the required testing and inspection services, the total contract value and specific unit pricing are not disclosed in the provided documentation. Proposals must be submitted through the COMMBUYS system.

University of Massachusetts System

POSTED

DEADLINE

Site Investigation and Field TestingThis subcontract opportunity for the City of Virginia Beach involves providing site investigation and field testing services for stormwater projects. The selected contractor will be responsible for conducting site visits, field reconnaissance, and technical testing to determine soil and site conditions using soil boring rigs and specialized equipment. Key deliverables include the provision of comprehensive site investigation reports and detailed field testing data. To qualify for this engagement, the contractor must employ a Professional Geologist or a Professional Engineer. The work will be performed within Virginia Beach under NAICS code 541380. Interested parties must submit their responses by the deadline of December 11, 2026.

City of Virginia Beach

POSTED

DEADLINE

Structural Special Inspections and Third-Party ReviewThis subcontract involves providing independent third-party structural reviews and special inspections for prime contractors working on University of Connecticut facility projects. The scope of work includes conducting special inspections for concrete, masonry, and steel, as well as performing construction observation and reviewing material submittals. The selected provider is responsible for delivering comprehensive inspection reports and Statements of Special Inspections to ensure project compliance. To qualify for this engagement, the provider must hold a Connecticut Professional Engineering license and possess all relevant inspector certifications. Managed by DAS Procurement for the state of Connecticut, the solicitation was posted on October 27, 2026, with a response deadline of November 24, 2026. The contract falls under NAICS code 541380.

POSTED

DEADLINE

Environmental Testing & Sampling LaboratoryThis subcontract opportunity is for an Environmental Testing and Sampling Laboratory to provide specialized analysis and sampling services for prime contractors working on New York State Education Department and Office of General Services projects. The selected provider will be responsible for sampling and analyzing suspect materials, specifically focusing on lead-based paint and PCB-containing caulk, to determine if abatement is necessary. The scope of work includes the use of laboratory equipment for the detection of asbestos and PCBs, culminating in the delivery of comprehensive Hazardous Materials Survey Reports. To be eligible, the laboratory must hold certifications that meet all applicable EPA and New York State standards. This procurement falls under NAICS code 541380 and is managed through the NYS OGS Design and Construction agency. Interested parties must submit their responses by the deadline of December 9, 2026.

NYS OGS Design & Construction - Construction Contractors

POSTED

DEADLINE

Medical Device Sterilization and PackagingThis subcontract for the Department of Defense Medical Supply Chain involves providing final sterile sealing and packaging services for prime contractors fulfilling DLA medical supply contracts. The scope of work requires the sealing of kits and the execution of EtO or Gamma radiation sterilization within a cleanroom environment, strictly adhering to ASTM D3951 and MIL-STD-129 standards. All deliverables must be provided as individually sealed, sterile boxes containing ten units each. To ensure quality and safety, the contractor must maintain sterilization validation according to ISO 11135 or 11137 and comply with Medical Marking Standard No. 1. The performance of this contract will take place in San Antonio, Texas. Interested parties should note the response deadline of November 2, 2026, for this specialized medical device sterilization and packaging requirement.

MEDICAL SUPPLY CHAIN MD SURG FSF

POSTED

DEADLINE

First Article Test (FAT) and CertificationThis subcontract involves performing First Article Testing for prime contractors supporting the Department of Defense DLA Weapons Support Aviation Supply Chain. The scope of work focuses on the dimensional inspection and material verification of units for NSN 5315-01-609-5305, utilizing CMM and calibrated aerospace gauges to ensure compliance with technical data packages. The final deliverables for this project include a comprehensive FAT report and an approved sample. To be eligible, contractors must hold SAE AS9003 or ISO 9001 certification and maintain JCP certification to ensure full ITAR and EAR compliance. The work is designated under NAICS code 541380 and will be performed at Joint Base Lewis McChord. Interested parties must respond by November 4, 2026.

DLA WEAPONS SUPPORT AVIATION SUPPLY CHAIN ESOC BUYS

POSTED

about 19 hours ago

DEADLINE

in 7 days

AI Contract Overview

The contract requires the physical preparation of wood core samples for microscopic analysis, specifically involving cutting, mounting, and fine sanding to properly expose the cellular structure of the wood. This work is essential for accurate tree ring analysis and must be performed with precision to ensure the integrity of the samples for subsequent scientific examination. The services are classified under NAICS code 541380 and are structured as a subcontract under the Department of the Interior’s Office of Acquisition Grants, with a response deadline of August 13, 2026, and the solicitation posted on August 5, 2026. No set-aside type is specified, and no point of contact or specific performance location details are provided, though the work is expected to align with federal acquisition standards for scientific support services.

General Info

Prepare wood core samples via cutting, mounting, and sanding for tree ring analysis under federal scientific support contract.

Agency

Department Of The Interior → Office Of Acquisiton Grants

NAICS

541380 - Testing Laboratories and Services

Place of Performance

Set-Aside

NONE

Documents

This scope was carved out of 140G0326Q0149.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

B--laboratory services for tree ring samples

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Timeline

PhaseClosed

PostedAug 5

subcontract

Response DeadlineAug 13

Deadline has passed

Submission Closed

08/13/2026, 12:00:00 AM UTC

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Organization & Contact Information

AgencyDepartment Of The Interior → Office Of Acquisiton Grants

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of The Interior → Office Of Acquisiton Grants

Office AddressN/A

ContactsNo contact information available

Full Description

Perform physical preparation of wood core samples including cutting, mounting, and fine sanding to expose cellular structure for microscopic analysis.

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Tree Ring Sample Preparation (Cutting, Mounting, Sanding)

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