Document g2Ebbv4KG5Grrp3xmXQd9akre

Monsanto Monsanto Company 800 N. Lindbergh Boulevard St. Louis, Missouri 63167 Phone: (314) 694-1000 April 28, 1987 ENVIRONMENT, SAFETY & HEALTH Dan Hryhorczuk, MD Northwestern University Medical School W.G. Krummrich Study 215 E. Chicago Avenue, Suite 801 Chicago, IL 60611 Dear Dan: As requested, I have enclosed all of the quality assurance and industrial hygiene data for the pentachlorophenol and 2,4,5-T esters units at the Krummrich plant. Basically, this is a copy of the same information that I gave to NIOSH and this information was given to me by other Monsanto employees associated with the NIOSH project. Please let me know if I can offer any clarification. Terry L. Leet Epidemiologist cc: Denise Oleske - Northwestern University W.R. Gaffey - A3NK J.H. Spraul, MD - A3NB DSW 476038.0918 STLCOPCB4043079