Document JJwdzwzwVMpDd5LkrDNnE3jme

| DOMESTIC OPERATING COMPANY . Johnson Ce. DRP 1/4/5 NEW BRUNSWICK J. March 31 1977 Dr. Norman F. Estrin Vice President The Cosmetic Toiletry 1133 15th Street N.W.. Washington D.C. 20005 Fragrance Association Inc. Dear Norm participating The enclosed tables represent the initial work of data received from laboratories in the Task Force on round robin testing of consumer talcum products for asbestiform amphiboles Please note Table I - shows samples which failed CTFA Method J4-1 Parts I & II asbestiform amphibole detected at levels 0.5 except in the case of the standards The CTFA standard tremolite is the common massive variety and should not be detected by microscopy as asbestiform Table II - shows samples which failed Method J4-1 Part I only ray Diff and those samples which failed Method 34-1 Part I and found by Part II to contain only asbestiform amphibole Table III - shows samples which failed Method J4-1 . Part I only Xray Diff at statistically significant levels including thoselower 20.5 those labs reporting lower limits of detection Unfortunately data received from two laboratories was acceptable statistical y not R. T. Vanderbilt L Slim Thompson does not have the equipment required to perform the method and felt his results were questionable we ... y ... eo 4 ... JNJ 000250539 -2- March 31 1977 Whittaker Clark & Daniels - Ray Krammes has been frustrated by the results he received from ES Labora- tories This lab continues to have trouble performing the method properly W. does no microscopy on talc samples Mt. Sinai samples - with you assures hope to presently me that they are working on the have some response from them before our meeting Sincerely John P. Schelz Ph.D. Chairman CTFA Task Force JPS Enclosures CC Kr G. Lee | Mr. G. Sandland Bristol ~ JNJ 000250540