Document EqnE4EVQG21bReqYk7D9GVo84

TEXAS AIR CONTROL BOARD JOHN L BLAIR Chairman CHARLES R. JAYNES Vica Chairman BILL STEWART, P, E. Executive Director 6330 HWY. 290 EAST AUSTIN, TEXAS 78723 512/451-5711 VITTORIO K. ARGENTO, P. E. BOB G. BAILEY FREO HARTMAN 0. JACK KILIAN, M. 0. OTTO R. KUNZE, Ph. 0.. P. E. R. HAL MOORMAN HUBERT OXFORD, III Air Quality Control Region 7 5555 West Loop, Suite 300 Bellaire, Texas 77401 713/666-4964 i i J.F.E f AUG 24 1984 August -21, 1984 Mr. J. F. Erdmann, P.E. Environmental Protection Coordinator Union Carbide Corporation Post Office Box 471 Texas City, Texas 77590 Re: Vinyl Chloride Monomer (VCM) Emissions Control System Account No. GB-0076-J Dear Mr. Erdmann: This letter is to confirm the telephone conversation between you and Ms. Victoria Wang of my staff on August 3, 1984. We understand that vented vapors from reactors, strippers, and vinyl chloride tanks are fed to an absorber/scrubber. The exhaust gas from the absorber/scrubber is then vented to the atmosphere through a flare. National Emission Standards for Hazardous Air Pollutants (NESHAP), paragraphs 40 CFR 61.64(a)(1), (b), (c), and (d) require that the concentration of VCM in the exhaust gases discharged to the atmosphere from specific pieces of equipment be limited to 10 ppm. In order to determine compliance with the aforementioned regulations, please provide us with data on the VCM concentration in the exhaust gas from the flare, or the VCM concentration in the exhaust gas from the absorber/scrubber m Celebrating 150 Yean of Texas Independence 1836 - 1986 ucc 050862 Mr. J. F. Erdmann -2- August 21, 1984 and flare engineering or testing data. Completed tables for flare systems and absorbers (copies enclosed) would suffice as the control equipment engineering data. You may include any other supporting documents which would demonstrate the VCM emissions from the flare to be in compliance with the NESHAP standard. Please submit such information within thirty days of receipt of this letter. Thank you for your cooperation in this matter. If you have any questions, please contact us. Sincerely, Bill Smalling, Chief Technical Section * Enclosures cc: Mr. Sabino Gomez, M.P.H., Acting Director, Compliance Division, Austin Dr. E. R. Ibert, Director, Environmental Control Services, Galveston County Health District, La Marque ucc 050863