Document qmVov43gvDd4z5kYoEg1nBbeq

Vista Chemical Company 900 Threadneedie Houston, Texas 77079 (713) 588-3000 P.O. Box 19029 Houston, Texas 77224 Fax (713) 5B8-3236 May 1, 1990 Mr. Peter Provost *- v Dear Peter: Below is a brief biographical summary for the AIHC. Thomas G. Grumbles Environmental Quality Manager for Vista Chemical Company in Houston. His department is responsible for corporate industrial hygiene, environmental and product safety programs. Currently on the AAIH Board and the AIHA Ethics Committee. Has served as President of the AIHA Gulf-Coast section and as Chairman of the Audit, or Oversight, Committee for AIHA. Sincerely, Thomas G. Grumbles. C.I.H. Environmental Quality Manager dlj VVV 000012967