Document vBV6gKmKBpZK1Xo542XbYedMR

lv zri' >v - ,* v- UNITED STATES ENVIRONMENTAL PROTECTION AGENCY ^Office of Air Quality Planning and Standards ^search Triangle Park North Carolina 27711 - MAY 0 7 1975 . Mr.. R: E. Van Ingen, Manager / .- Manufacturing Environmental Conservation Dept. r Shell Oil Company ' One Shell Plaza" .;>'S'* P. 0. Box 2463 Houston, Texas 77001 ^ . Dear Mr. Van Ingen: ;:v V f 7 _ Thank you for your response to Don R. Goodwin's April 2,' 1975, request for information on the oxychlorination process at your company. The infor mation you submitted is being reviewed and will be used to assist us in our study of vinyl^hloride^emissions from ethylene dichloride production. The time which you and your staff spent in developing these data is very much appreciated. Thank you for your continued cooperation. Sincerely yours. Leslie B. Evans Industrial Studies Branch Emission Standards and Engineering Division