Document n9Odx6rypgwJYReVbQ3BY09Kz

^1 UNION CARBIDE CORPORATION CHEMICALS AND PLASTICS P.O. BOX 8004, SOUTH CHARLESTON, W, VA. 23303 November 3, 1978 Mr. Jack J. Schramm Regional Administrator United States Environmental Protection Agency Region III 6th and Walnut Streets Philadelphia, Pennsylvania 19106 Subject: Approval of Alternate or Equivalent Methods South Charleston, West Virginia Plant Ref.: Letter, Jack J. Schramm, EPA, To J. L. Worstell October 20, 1978 Dear Mr. Schramm: It appears that answers to the first three questions in your letter have been provided in earlier information submitted by Union Carbide Corporation. Copies of related correspondence are attached. The source of vinyl chloride is Dow Chemical Company. Dow certifies their product to be 99.9% pure. I believe that recent conversations between Mr. Peter Schaul and Mr. W. C. Young of this Department have further clarified this matter. Very truly yours, f1 J. L. Worstell Environmental Protection Coordinator JLW/pl Attachments cc: Mr. C. G. Beard, II, Director - WVAPCC Mr. D. M. Myers - WVAPCC Mr. W. C. Young - WVAPCC UCC 102026 Attachments: (X) Letter, William Grimley, Test Support Section Emission Measurement Branch ESED (MD 19), To R. N. Wheeler, Jr., Union Carbide Corporation, December 9, 1977. (2) Memo, William Grimley, Test Support Section, To Director, Surveillance and Analysis Division, Regions II, III, IV, VI, IX, December 9, 1977. (3) Method 107 -- Alternate Method -- Determination of Vinyl Chloride Content of Inprocess Wastewater, Solvents, Resin-Solvent Solution, Polyvinyl Chloride Resin, Resin Slurry, Wet Resin and Latex Samples, Dated March 24, 1978. (4) Memo, William Grimley, Test Support Section, To John Clements (MD 77) et. al., October 4, 1978. UCC 102027