Request for Information The US Environmental Protection Agency (EPA) is conducting market re­search to identify sources capable of providing specialized selenium speciation analytical laboratory services for environmental samples collected from the Ballard Mine Superfund Site in accordance with Attachment 1 - Statement of Work (SOW). Required matrices may include filtered/unfiltered water, sediment/soil, and plant tissue/periphyton. Required analysis of organic and inorganic species can be found on Attachment 1 - Statement of Work. The Government is particularly interested in laboratories capable of achieving aqueous detection capabilities of 4 ng/L / 0.004 ug/L. This notice is issued solely for market research and acquisition planning purposes. It is not a solicitation, request for quotation, or request for pro­posal. Responses are not offers and cannot be accepted by the Government. Interested parties shall submit their responses electronically by email to: Lindsay Savage savage.lindsay@epa.gov The subject line should state: "RFI Response - Selenium Speciation Sample Analysis Services - [Company Name])" Respondents should submit: 1. A completed Attachment 2 -Vendor Responses to questions 2. Supporting literature or technical documentation