Document bO551q7R2X476JwKJX68yRKjO
FILE NAME Talc TALC DATE 1971 Sept 22
DOC TALC427
DOCUMENT DESCRIPTION Letter to American Conference of Govt
Industrial Hygienists from Desert Minerals Inc.
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SEP 2 1971
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September 22 1971
Stokinger E.
Mr. Herbert E.
Ph.D. Ph.D. ,
Chairman TLV Committee
American Conference of Governmental Industrial Hygienista
1014 Broadway
Cincinnati Ohio 45202
|
DearMr. Stokinger
September 15 1971 the booklets Thank you foryour letter of
and for
.
;
^'
a
which you enclosed
:
to In regard the thirdparagraph of your letter and in referenceto ee
to -, Page 16 of your booklet Threshold |Limit Values for1970two
designations on talc which youshow will requireinterpretation before
it it is possible to accurately classify the various types of talc now on
the marketin accordance with present orproposed TLVB
ere ae
Will you please, therefore define for us mineralogicallythe two classifications classificationsof taleasbestiform asbestiform andi talcfibrous
Thanking
you
we :
remain
Yo veru y trur ly s
EJEllwartEJlwahrthikjb iEJEkllwajrthibkjb
President