Document KR3Z4NwdbQVarRN0GMdmpbG2X
Johnson
SUBJECT
SUBJECT SUBJECT
SUBJECT
Audit Testing of Windsor 66 Talc for Asbestos
TO Mr. G. Lee
FROM
Mr. A. Frank
minerals June 28 1977
To formalize the audit testing currently performed to ensure the absence of asbestos in Windsor 66 Talc the following protocol is currently being
1 Scope
Windsor 66 talc is manufactured from a previously approved mine site known _ to contain an acceptable cosmetic grade talc ore which has been tested by
and has met the requirements for detectable asbestos by the test methods and
deposit sampling plan described below Windsor Minerals will assure mine site
evaluation data to include analysis of diamond drill core samples and testing of composite ore samples removed from the mine site during the development phase prior to production of cosmetic talc to be used for JOHNSON'S Baby Powder
Asbestos is defined to be the fibrous serpentine chrysotile and the fibrous forms of the amphibole group as represented by amosite anthophyllite
,
crocidolite tremolite asbestos and actinolite
2 Testing Requirements
CHARACTERISTIC
Fibrous Amphibole Forms
_
_ Serpentine Forms Chrysotile
,
TEST METHOD
CTFA J4-1
;
TM 7019
Asbestiform Minerals fibrous forms
:
Transmission Electron Microscopy
TM 7024
REQUIREMENT
None detected
None detected
None detected
-continued-
29-213
JNJ 000252225
3 Testing Procedure
The following sample types are tested on an audit basis according to the test , procedures and frequencies noted
SAMPLE TYPE
TESTS
FREQUENCY
..
Raymond Grind
TM 7024
weekly composite sample
are Flash Dried Talc
Finished Talc
CTFA J4-1 TM 7019
TM 7024 .
weekly composite samples quarterly audit of random sample
AMF eap .
e
A. M. Frank
n
L. Orlando J. Runnells
JNJ 000252226