Dear Dr. Keller, I send a Japanese ballot for ISO/TR 10993-8 "Guidance on the selection and quantification of reference materials for biological tests." Official voting sheet will be sent separately by air mail soon. ----------------------------------------------------------------- We agree to the circulation of the draft as a DIS in accordance with 2.6.1 of part 1 of the ISO/IEC Directives without comments. Sincerely yours, Akitada Nakamura, Ph.D. Leader, Japanese Committee for ISO/TC194 E-mail:nakamura@nihs.go.jp FAX: +81 3 3707 6950