Document J5Rxqov0DR4kJdMEVe26O7L6

UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION 6 1201 ELM STREET, SUITE 500 DALLAS, TEXAS 75270-2102 VIA E-MAIL Steve Kennedy ETTL Engineers & Consultants, Inc. 1717 E. Erwin Street Tyler, TX 75702 Re: Opportunity to Confer Letter April 9, 2020 Dear Mr. Kennedy, I am writing to inform you that the Enforcement and Compliance Assurance Division of Region 6, United States Environmental Protection Agency ("EPA") has reviewed the information you provided in response to EPA's Opportunity to Confer letter sent out on April 9, 2020, regarding potential Resource Conservation and Recovery Act ("RCRA") violations. Following review of the data received and our conversation with the facility, EPA has determined no further action is required. If you have any questions regarding this letter, please contact Gabriel Salinas at 214-6658483 or at salinas.gabriel@epa.gov. Sincerely, Date: 2020.05.21 08:59:54 -05'00' Margaret Osbourne Chief Waste Enforcement Branch eCC: james.gradney@tceq.texas.gov john.shelton@tceq.texas.gov