I regret that I am unable to give you the results of analysic of urine from the 21 other patients. Knowing that those data would be highly important to your committees in its evaluations ov the medical status of these patients, we have offered to undertake radiochsmical s urine analysis of all 23 pationts. The urine from only two patient and States the to t shipmen permit to timo in us to has been delivered nal analysis by this date, More recently, samples from five additio wo patients from the Tokyo University Hospital wore delivered to us, but lizod hospite now s patient 16 the from have not as yot received samples at the Daiichi Hospital. Rospectfully yours, Merril Eisenbud Director, Health and Safety Laboratory United States Atomic anergy Commission . ME/ans/hoo ‘ ; # CCs Dr. Nakaidsumi Dr. Kakohi Declassitieg oe)® S20019 Dee, 500 o 88ifheey R 5220.19