This is a service / maintenance or supply contract in Dugway, Utah. Contact the soliciting agency for additional information.

AMENDMENT 0002 TO SOLICITATION W911S626RA001 The purpose of Amendment 0002 to the Environmental Support Services solicitation is to correct and replace the Past Performance Questionnaire attachment. 1. CHANGES TO SOLICITATION: Revised Attachment 03: The original "Attachment 03 - Past Performance Questionnaire" is hereby deleted in its entirety and replaced with "Revised Attachment 03 - Past Performance Questionnaire." The previous version contained administrative errors and non-applicable evaluation areas (e.g., software design, cost-reimbursement forecasting). The revised questionnaire has been tailored specifically to the Environmental Support Services Performance Work Statement (PWS) and the Lowest Price Technically Acceptable (LPTA) evaluation criteria. Note to Offerors: Please ensure your clients and references utilize the Revised Attachment 03 when submitting their evaluations directly to the Government. 2. ACTION REQUIRED: Offerors must acknowledge receipt of Amendment 0002 by completing, signing, and returning the Standard Form 30 (SF 30) with their final proposal submission. 3. DEADLINES: All solicitation deadlines remain unchanged. Questions Due: 10:00 AM MDT on Monday, 11 May 2026. Proposals Due: 10:00 AM MDT on Tuesday, 26 May 2026. ATTACHMENTS INCLUDED IN THIS AMENDMENT: SF 30 - Amendment 0002 Revised Attachment 03 - Past Performance Questionnaire (PPQ) AMENDMENT 0001 TO SOLICITATION W911S626RA001 The purpose of Amendment 0001 to the Environmental Support Services solicitation is to update facility and utility requirements. Provide all personnel, equipment, supplies, facilities, transportation, tools, materials, and supervision necessary to operate the Dugway Proving Ground Central Hazardous Waste Storage Facility and manage hazardous, non-regulated, and decontaminated chemical agent-related waste streams. Execute regulatory compliance support to ensure operations in accordance with RCRA Part B Permit, Clean Air Act Title V Permit, and English Village Landfill Permit. Core tasks include CHWSF, SWMU, and HWMU operations and inspections; RCRA and CAA Technical Management and regulatory reporting; groundwater monitoring, sampling, and data validation; underground storage tank and TSCA (Asbestos/Lead-Based Paint) compliance; and hazardous waste generator formal and informal training. All questions regarding this solicitation must be submitted in writing to the Contract Specialist at amy.m.eilerts.civ@army.mil no later than 10:00 AM MDT on Monday, 11 May 2026. The Government will publish official responses via a solicitation amendment on SAM.gov. Extension of Question Deadline: The deadline for receipt of questions is extended from Monday, May 11, 2026, to Wednesday, May 13, 2026, at 10:00 AM MDT. The deadline for receipt of questions is 10:00 AM MDT on Wednesday, 13 May 2026 (extended via Amendment 0003).