UPDATE 8/14/2025: EPA anticipated releasing the solicitation for this requirement under Request for Proposal (RFP) number 68HE0925R0035 before the end of the fiscal year (9/30/2025). Time permitting, EPA will release an RFP draft and host a pre-solicitation industry day. All further pre-solicitation notices will be released under RFP 68HE0925R0035. THIS IS A PRE-SOLICITATION ANNOUNCEMENT ONLY. THIS IS NOT A SOLICITATION FOR PROPOSALS AND NO CONTRACT WILL BE AWARDED FROM THIS NOTICE.