Keith Pfeffer

B--Sole Source Justification

The Environmental Protection Agency's Tribal and Science Division Water, based in Cincinnati, Ohio, is pursuing a sole-source procurement for one-year subscriptions to the Chemical Economics Handbook and the Specialty Chemicals Update Program. This acquisition, identified by solicitation number 68HERW26R0090, provides access to essential chemical market encyclopedias provided by S&P Global. The procurement is classified under NAICS code 513120 and is justified as a sole-source award due to the proprietary nature of the databases and a lack of alternative capable sources. The contract is structured as a Firm-Fixed-Price agreement with a base performance period running from September 13, 2026, to September 12, 2027. In addition to the initial base year, the agreement includes one option year for continued service. Keith Pfeffer serves as the primary point of contact for this action.

Environmental Protection AgencyOH, USA

NAICS

513120

Periodical Publishers

PSC

B507

Special Studies and Analysis (Not R&D)

68HERW26R0090

Awarded

Awarded1

66--Sole Source Justification - PO 68HERW26P0322

This solicitation, identified by number 68HERW26Q0080, is issued by the Environmental Protection Agency's Tribal and Science Division Water for the procurement of five Teledyne ISCO GLS compact composite samplers along with necessary accessories. The procurement is classified as a Small Business Set Aside, meaning it is reserved exclusively for small businesses under the SBA designation. The contract falls under NAICS code 423490, which pertains to other commercial and industrial machinery and equipment merchant wholesalers. Interested parties must submit their responses by the deadline of August 26, 2026, at 8:00 PM UTC. The solicitation was officially posted on August 19, 2026, and is managed through the EPA office located in Cincinnati, Ohio. For inquiries regarding this requirement, Keith Pfeffer is designated as the primary point of contact. All interested vendors should ensure they meet the small business criteria and adhere to the specified submission timeline to be considered for this purchase.

Environmental Protection AgencyOH, USA

NAICS

423490

Other Professional Equipment and Supplies Merchant Wholesalers

PSC

6640

Instruments and Laboratory Equipment

68HERW26Q0080

Awarded

Federal2

Purchase five Teledyne ISCO GLS compact composite

The Environmental Protection Agency, specifically the Wtsd organization based in Cincinnati, Ohio, is soliciting bids for the purchase of five Teledyne ISCO GLS compact composite samplers and associated accessories. This federal solicitation, identified by number 68HERW26Q0080, is categorized under NAICS code 423490 and is designated as an SBA set-aside. The solicitation was posted on August 19, 2026, with a response deadline of August 26, 2026, at 8:00 PM. Interested parties should direct inquiries to the contracting officer, Keith Pfeffer, and submit their responses through the provided FedConnect portal.

Environmental Protection Agency

NAICS

423490

Other Professional Equipment and Supplies Merchant Wholesalers

PSC

6640

Instruments and Laboratory Equipment

Posted Aug 19, 2026

SBA68HERW26Q0080

Closed

Federal

Preventative maintenance and service agreement f

This solicitation, numbered 68HERW26R0057, is issued by the Environmental Protection Agency's Tribal and Science Division Water office located in Cincinnati, Ohio. The contract seeks a preventative maintenance and service agreement for an Aeris X-ray Diffractometer System, specifically serial number DYO839, including its associated computer system. The opportunity was posted on August 14, 2026, with a response deadline of August 20, 2026. Classified under NAICS code 811210, the primary point of contact for this requirement is Keith Pfeffer.

Environmental Protection AgencyOH,

NAICS

811210

Electronic and Precision Equipment Repair and Maintenance

PSC

J066

Maintenance, Repair, and Rebuilding of Equipment

Posted Aug 14, 2026

68HERW26R0057

Closed

Federal3

Preventative maintenance and service agreement f

This federal solicitation, issued by the Environmental Protection Agency under solicitation number 68HERW26R0057, seeks a preventative maintenance and service agreement for an Aeris X-ray Diffractometer System and its associated computer. The contract is categorized under NAICS code 811210 and is managed by the agency's office located in Cincinnati, Ohio. The opportunity was posted on August 14, 2026, with a response deadline of August 20, 2026. Keith Pfeffer serves as the contracting officer for this requirement. Interested parties can find further details and submission guidelines through the provided FedConnect portal.

Environmental Protection Agency

NAICS

811210

Electronic and Precision Equipment Repair and Maintenance

PSC

J066

Maintenance, Repair, and Rebuilding of Equipment

Posted Aug 14, 2026

68HERW26R0057

Closed

Awarded1

66--Purchase of Beckman Coulter Biomek i7 Hybrid (MC +

The Environmental Protection Agency's Tribal and Science Division Water, based in Cincinnati, Ohio, is seeking a Firm-Fixed-Price contract for the acquisition of a Beckman Coulter Biomek i7 Hybrid Automated Liquid Handler System. This specialized equipment is required to support transcriptomic data generation and includes a comprehensive suite of hardware such as pipetting heads, thermal adapters, shakers, and specific grippers. The procurement encompasses the core system along with essential software, pipefitting, a basic warranty, customer training, and application support options. Managed under solicitation number 68HERW26R0031 and NAICS code 334516, this acquisition is detailed through a brand name justification to ensure the technical specifications of the work surface and pipetting capabilities meet the agency's precise scientific requirements. The primary point of contact for this procurement is Keith Pfeffer.

Environmental Protection AgencyOH, USA

NAICS

334516

Analytical Laboratory Instrument Manufacturing

PSC

6640

Instruments and Laboratory Equipment

68HERW26R0031

Awarded

Awarded1

66--High resolution accurate mass liquid chromatography orbitrap mass spectrometer

The Environmental Protection Agency's Tribal and Science Division Water is acquiring a high-resolution accurate mass liquid chromatography orbitrap mass spectrometer, specifically the Orbitrap Excedion Pro MS system, to enhance the capabilities of the Analytical Chemistry Laboratory. This equipment is essential for the high-confidence detection, identification, and quantification of targeted and unknown environmental contaminants, particularly in pesticide and contaminant analysis. The system must provide resolving power up to 1,000,000 FWHM, sub-1 ppm mass accuracy, sub-ppb sensitivity, and an acquisition speed of up to 70 Hz. This is a sole-source procurement awarded to Thermo Electron North America LLC via GSA Contract 47QSWA21D0055, with an estimated value of 900,000 dollars. The acquisition is justified under FAR 12.102(b) because the vendor possesses patented technology and unique technical capabilities that cannot be met by any other supplier. The procurement is managed by Contracting Officer Keith Pfeffer, with the contracting office located in Cincinnati, Ohio, and the instrument intended for use at the EPA facility in Fort Meade, Maryland.

Environmental Protection AgencyOH, USA$900K est.

NAICS

334516

Analytical Laboratory Instrument Manufacturing

PSC

6630

Instruments and Laboratory Equipment

68HERW26R0081

Awarded

Awarded1

J--Service contract repair of X500R GC/QToF mass spectrometer

The Environmental Protection Agency, through the Office of Applied Sciences and Environmental Solutions, has established a sole-source service agreement with AB Sciex LLC for the preventative maintenance and repair of an AB Sciex X500R LC QToF mass spectrometer. This contract, identified by solicitation number 68HERW26R0056, runs from August 1, 2026, to July 31, 2027. The procurement is justified under 41 USC 1901 and FAR 12.102(b) because AB Sciex LLC is the original equipment manufacturer and the only source capable of providing the proprietary parts and certified technical expertise required to maintain the system without voiding the warranty. The estimated contract value is not to exceed 900,000 dollars. The scope of work includes one annual preventative maintenance visit, on-site troubleshooting, and a guaranteed two-business-day onsite response time for repairs. The agreement covers all necessary parts, labor, and travel, while providing the agency with continuous telephone and online technical support, access to SCIEX Now Visual Assist and Learning Hub, and StatusScope instrument monitoring. Additionally, the contract includes a 25 percent discount on fixed-priced SCIEX services. All performance and acceptance occur on-site at the agency facility in Cincinnati, Ohio, with the primary point of contact being Contracting Officer Keith Pfeffer.

Environmental Protection AgencyOH, USA$900K est.

NAICS

811210

Electronic and Precision Equipment Repair and Maintenance

PSC

J066

Maintenance, Repair, and Rebuilding of Equipment

68HERW26R0056

Awarded

Federal1

Annual Subscriptions to the CEH and SCUP

The Environmental Protection Agency is seeking annual subscriptions to the Chemical Economics Handbook and the Specialty Chemicals Update Program chemical market encyclopedias. This federal requirement is managed by the Wtsd office located in Cincinnati, Ohio, under solicitation number 68HERW26R0090. The opportunity was posted on August 11, 2026, with a response deadline of August 18, 2026. Classified under NAICS code 513130, the procurement is overseen by Contracting Officer Keith Pfeffer.

Environmental Protection Agency

NAICS

513130

Book Publishers

PSC

B507

Special Studies and Analysis (Not R&D)

Posted Aug 11, 2026

68HERW26R0090

Closed

Federal

R--Wetlands and Aquatic Resources Technical Support

The Environmental Protection Agency’s Tribal & Science Division Water is seeking qualified small businesses to provide technical support for wetlands and aquatic resources through the Wetlands and Aquatic Resources Technical Support 4 contract, solicited under number 68HERW26R0034. This is a total small business set-aside, meaning only small businesses certified under the Small Business Administration’s guidelines may submit proposals, with the NAICS code 541620 indicating the work falls under environmental consulting services. The solicitation was posted on July 13, 2026, and responses are due by August 13, 2026, with all work to be performed under the oversight of the EPA office located in Cincinnati, Ohio. The contract aims to deliver expert scientific and technical assistance related to wetland preservation, aquatic ecosystem protection, and regulatory compliance across tribal and federal domains. Primary point of contact for inquiries is Keith Pfeffer, reachable via email at Pfeffer.Keith@epa.gov or by phone at 513-487-2034. While no specific place of performance has been designated, work is expected to support the agency’s mission nationwide, requiring flexibility in addressing diverse environmental challenges across regions. Applicants must be prepared to demonstrate proven experience in ecological science, regulatory frameworks, and field-based data collection relevant to aquatic resources. The opportunity is accessible through the SAM.gov portal, and interested entities are encouraged to review all solicitation materials closely to ensure full compliance with submission requirements and technical specifications.

Environmental Protection AgencyOH,

NAICS

541620

Environmental Consulting Services

PSC

R425

Professional, Administrative, and Management Support Services

Posted Aug 6, 2026

SBA68HERW26R0034

Closed