DESCRIPTION OF AMENDMENT 0006: The purpose of Amendment 0006 is to provide a final administrative clarification regarding Key Personnel staffing flexibility in response to industry inquiries. Questions & Answers (Q&A) Update: Consolidated Q and A - Final - Revised - Amendment 0006 to incorporate one final clarification (Question 49). PROPOSAL SUBMISSION DEADLINE: The deadline for receipt of proposals remains unchanged and is Monday, June 15, 2026, at 10:00 AM MDT. ACTION REQUIRED: Offerors must acknowledge receipt of all amendments (including Amendment 0006) by signing and returning Page 1 of the Standard Form 30 (SF 30) with their proposal submission. All other terms, conditions, and attachments remain unchanged. AMENDMENT 0005 - Solicitation W911S626RA001 (Environmental Support Services - DPG) Description of Amendment 0005: The purpose of Amendment 0005 is to provide final Government responses to industry questions, update proposal instructions, establish final cybersecurity evaluation criteria, and provide updated attachments. Q&A Incorporation: Attaches the final, consolidated Questions and Answers document (Questions 1-48). This document establishes firm pricing baselines for TSCA and UST requirements and clarifies CMMC 2.0 compliance expectations. Updates to Instructions to Offerors (Addendum to FAR 52.212-1): Page Limits: Clarifies that Key Personnel resumes are included in the Volume II page count, whereas signed Letters of Commitment are excluded. Price Proposal: Incorporates a labor rate breakdown for TSCA Technical Writing Support (0.25 FTE) in the newly added Table 3 of the pricing spreadsheet. Cybersecurity: Requires the submission of 10-digit CMMC Unique Identifiers (UIDs) and a verbatim CMMC affirmation statement in Volume I. Updates to Evaluation Criteria (Addendum to FAR 52.212-2): Removes Cybersecurity/CUI Protection as a Mission Capability technical sub-factor (former Sub-factor 8). Establishes CMMC 2.0 compliance as a strict Pre-Award Responsibility and Eligibility Requirement, outlining the specific SPRS scoring threshold (minimum 0.8 ratio) required to achieve a valid "Conditional" or "Final" status prior to award. Attachment Updates: Replaces the Price Proposal Spreadsheet and the Cybersecurity Compliance Requirements attachment with updated versions. ADMINISTRATIVE NOTE REGARDING PROPOSAL SUBMISSION: All pricing data shall be entered exclusively on the Price Proposal Spreadsheet (Attachment 01). Offerors are not required to enter pricing on the continuation pages (pages 2 to 7) of the SF 1449. To satisfy administrative submission requirements, offerors only need to submit a signed Page 1 of the SF 1449 and a signed Page 1 of all SF 30 Amendments. ACTION REQUIRED: Offerors must acknowledge receipt of all amendments by signing and returning Page 1 of the associated Standard Form 30s (SF 30) with their proposal submission. The deadline for receipt of proposals is Monday, June 15, 2026, at 10:00 AM MDT . …