Document X8w461mOKX4jo7m56J5VZxLpx

Monsanto Wheeler EWHEE . R. Keller JFQ E. Tucker JFQ 800 N. Lindbergh Boulevard St. Louie. Missouri 63160 (314) OXford 4-1000 September 29, 1969 OROAMC CMHICAL3 DIVISION Mr. David K. Goering Dept, of Zoology University of Arkansas Fayetteville, Arkansas . Dear Mr. Goering: Dr. Koeman reported results of polychlorinated biphenyls Phenoclor DP 6, Aroclor 1260 and Clophen A 60 on fish, mussels and thirds. He Indicated that the more highly chlorinated compounds are most persistent. I have re quested that a 2 pound sample of Aroclor 1260 (6o# chlorine) be sent to your attention. We would like to review results of your investigations in avian reproductive physiology when they become avail able. A technical bulletin is also enclosed. Very truly yours. WRRtms Enc. W. R. Richard Manager, Res. & Dev. Functional Fluids HONS 90?i3