This is a combined synopsis/solicitation for commercial items prepared in accordance with the format in FAR Part 12. This announcement constitutes the only solicitation. Quotations are being requested and a separate written solicitation will not be issued. Solicitation number 1240LP26Q0090 is issued as a Request for Quotation (RFQ) for RGNF Macroinvertebrate Analysis. This acquisition is set-aside for small business concerns. The applicable North American Industry Classification Standard Code is 541380- Testin g Laboratories and Services. The small business size standard is $19.0 M. This acquisition is a Total Small Business Set-Aside. All responsible sources may submit a quotation which will be considered by the agency.