Dr. Lewis believes that they had administered EDTA to the patients, ...”_ Gespite the fact that urine analysis was beyond their capability’. and they were therefore unable to determine either the need for . 8 EDTA or the effect produced by it. Apart from the fact that they ~- were unable to undertake urine analysis at that time, it is also ~ = evident that they did not understand the dynamics of fission. -°_ : product metabolism and were not used to thinking in terms of * -. °urinary excretion levels as an index of absorption and deposition. os They were anxious to provide me with samples of ‘urine ‘for. State-side analysis, Two aamples were delivered on March 26 and ~~ : five more on March 30, As yet we have not received samples from. L the remaining 16 patients, The samples received were properly ~~9°: forwarded to the Health and Safety Laboratory and I have had the ‘-." 7}. results or gross analysis of the first two samples, I communicated these resuite to Dr, Kobayashi in 3 the attached letter which is ~~ self-explanatory, eo et, ae - Department. of Porgy