Document LgyJZoB5vrDkKrGo295R4koRw

Vista Chemkai Company 900 Threadneadla Houston, Texas 77079 (713) 588-3000 P.O. Box 19029 Houston, Texas 77224 Fax (7131 588-3236 MMG: Ad# RF XF; May 31, 1989 Robin. Willis Stubbs Overbeck & Associates, 12727 Featherwood Drive Suite 200 Houston, TX 77034-4414 Inc. VISTA Dear Robin: This letter is in response to Keith Thayer's letter of May regarding potential exposure of Stubbs Overbeck employees hazardous substances while working at our facility. 20 to It is not clear which facility he was concerned with and I am aware that your employees may work at multiple Vista sites, including our headquarters location in Houston. As to potential exposures in the Houston office, there is no known chemical exposure potential. If your employees are working at one of our manufacturing facilities, the local plant safety director should be consulted for the needed information regarding health and safety hazards. These will vary from plant to plant and are further dependant on what your employees are doing at the location. Please contact me at 588-3445 if this is not an adequate response for your needs. Sincerely, Thomas G. Grumbles, C.I.H. Environmental Quality Manager dlj VVV 000010627