[PAGE 1]
Thank you lor your very careful report, of May 29 and" foryour continued interest,in this matter.

By all xsans attempt to verify your contontion regarding purity and spectral charaotsristics of the sample in your possession.Perhaps it might be wallto record spectral data for each fragment and larger crystalin the allsample.

The procedure folloved and the treatment of the sample ara lert entirely to your own discretion, although I bope that all residues will be saved and be returned to pshen you have