Document 1QqJD1EEaLyKgjOYONn2OVB4j
FILE NAME: RT Vanderbilt (RTV)
DATE: 1974 Oct 23
DOC#: RTV090
DOCUMENT DESCRIPTION: Memo RE Asbestos Minerals in Talc Samples from RT Vanderbilt
... li, iy. Lamar. - K&D V , 'i \ . WoIXodo f f - liiiU
D.ti.j- O ctober 2 3 , 197 >.
' D i s t r i b u t i o n uji R e v e rse Dille
. TiiM Avili SELECTED AHHA DIFFRACTION PATTERNS -OP ASBESTOS MINERALS IN ECU TALC SAMPLES PRODUCED BY R. T f VANDERBILT COMPANY
J , Al y o u r r e q u e s t , J at; u tile t o c o n t r a c t tim e on th e P h i l i p s 200 .< i.. ro:i .iJeroncoi-e u t D enver R esearch I n s t i t u t e t o c o n firm by selected urea d iffra c tio n p a tte rn sj th e presence of c h ry so tile , .ii.tl.o p h y llito and t r e d o l i t o i n a l l .th e R. 7. V a n d e rb ilt t a l c s >!. ;:i ,;,,eLe<i ily;.al 2 0 0 , Gy Lai NOO, A sb e stin e 3/., and A s b e s tin e 32 b/
. . . ( eira::.- r e f e r to ,y j d t t e r o f O c to b e r 9 , 197* w hich in bused ..-/J ly or. PDA o p t i c a l m thoda and th e ucn o f o u r HCA e l e c t r o n
;:iicro:;cG peu to c o n firm c h r y s o t i l e ) . I t was f e l t t h a t s e l e c t e d nr.:;t rif f r a c tio n p a tte r n s o f th e a s b e s to s m in e ra ls u sin g th e P i/titp :. 200 would le n d p o s i t iv e i d e n t i f i c a t i o n - a .ty p e o f a i.;.ly s is which c a n n o t be clone on o u r HCA EMU-3D m odel.
. Table ilo. 1 r.ot only id e n t i f i e s sam ples, b u t.a ls o id e n tif ie s
. a l l TKM p r i n t s a n d ' s e le c te d , a r e a d i f f r a c t i o n p a t t e r n s o f t h e
.
. 33 p r i n t s a t t a c h e d t o t h i s . T e t t e r . The THM p l a t e s a r e alw ays
on f i l e . - T h e'm icro sco p e c o n s ta n t (L A ) was d e riv e d by aver&c-"G
21 m icro sco p e c o n s t a n t v aletes b a s e d 'on l i n e s o f A a n d -P d . The
m icroscope co n stan t i s :
'
. '
.
'
.
`
LA = t.l51 A cm t 0 .0 0 3
To c u l c u l u t e ' d - s jia c in g in 'A ngstrom ' un i t s , t h e f o llo w in g fo rm u la
v/us u se d : .
.
.
. - ;
'
'
1, -(A cm) ^ r f a J rud iu s - r a
, .
,9 ,
= d - s p a c in g (A.)
3 . C n r y s o t i l c , n n th 'o p h y llite .,. and tr e m o li.te v?ere a l l found i n e a c h , o f
. th e fo u r R. V. V a n d e r b ilt t a l c , sa m p le s, p a r t i c u l a r d a t a f o r . each
sam ple are. found, in T ab le No. 1 unu a p p r o p r ia te a tta c h e d e l e c t r o n
d iffraction p attern s. -
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.
V; / . i b r ( k ( u / / V. H- .W olkodoff
jc'.
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A ttachm ents
. . . . .
DEPOSITION EXHIBIT
. . .
'D i s t r i b u t i o n :
ft.' 1(. C a rte r * .
- kN
J}. K. l-'ennoi*
- ' . - liN
Puui K o tin , M.D.
- *IW
.
W.. ft. J je itz e
-
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I''. J . ioiori, J r .
|N
i>V 1.. MwuVlow
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A. t`. K. 'K in k b in e r, I I I' ' - 5W
J . A. McKinney .
~ 5W ' .
1.. ft. Kuo r.e*
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I'; A. M a rtin so n
- 2W
'
C. <1. 3ulcwfel .
- 2W
W. t . VanDc-rbcek
- 2S . `
U, C. Kivdu - ' ' . - 23 ' . 1
L. Punds.ack J , F. teineveber* W. c . S t r e i b ' S, Speil* R. S. Lamar* V, B. W olkodoff*
*P r i n t s a t t a c h e d o n ly t o th o s e names fo llo w e d by a s t e r i s k
q r MC-BEV-000275
wvwwt&tfS. . .
. TABLE 1
. ..
'l'V.'/i T a b u la tio n o f M icro g rap h s and S e le c te d A rea D i f f r a c t i o n P a tte rn s . o f F our T a lc Sam ples From K, T. V a n d e rb ilt Co.
! ..f. ?<>..
Vaiidoi'iii 11
**v.*?:;
i On
1 ' i..-: Y'.P>p - . l ' *'*y l u i 2uti
r* '
b y lu l 200
3 .
Y 'f 't o -.; .% Lai UUh
h
'i'- Y b P tb -l H y tu l
OO
Tr7i P l a t e Wo. . Maf.ni 1'i c a
2301A , 11,000X 2 3 1 7 ^ . i 6 , ooox .2 3 0 5 A , 2 2 ,OOOX
5 1..; O iii:
Y .if j
. iiy u ii pod riytal po<;
Kyual 2-0 Hyt u p POO
2306A,
'2 3 0 7 A , 2 2 ,0 0 OX
{w 'lctfted A rea D iffraction
P a tte rn , y/L
Kemarks
2305B.
C h r y s o tilc rr.,.-r P a t t e r n i s .01' ! u*.n;t f i b e r i n 2305A, ' C h f y s o t i l e ''&!
A n th o p h y llito ;;b* r
A n th o p h y lli t>-
in 230oA
Trem ol'i t o f i .<
T iv n io lito i i.r : .
2307A .
;o 1 i
. ** .
Y<`2pt>-2 K y tu l t 0 0 '
- t;.;'b 5 - 2 ' K y tu l JiOfi
YJa '5 ! --2 J l y t a i hod } Yi*'Ji>>'-2 Myt u t to t)
2302D, lliOOOX 2 3 )8 C , 1>,000X. 308A', 22.000X
2308H
f *>
Y;...'5 5 -2 X y tu l boo.
KC Y1' 25 5 - 2 i l y t a l *100
2309A, 22.000X
-
' -
/ 2309B .
i >
a.:'Y Ii? 5 5 - 2 U y t a l iiOO- .
. '7 A 2 5 5 -2 N y ta l h00
2 3 1 0A /22Y 00O X
'
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- ' . 2310B
--
-
.
C lir y s o ti3 e 1'. t.-<*r
i'a t t e r n o f C ,,rj
nbove
A ntbophyll i : .
P a tte r n 5 o f Anti
above . T r e r n o lito f i ... .
P a t t e r n ' o f *.:/..
above
* 3 ^
.* * .Vw j
* ;/S
// il/ .*'i
i.'t
' YJ.:;V i~ 3 A r;bei;Line 3'A
`Y tf '5 5 - 3 A s b e s t i n e 3X i; Y'ti.'>5-.3 A s b e s t i n e 3X'
23030, li,GOOX
'23190,, iOjOGOX . 2311A j 2 2 , 00ox ' ;
^
. . --v '
Y 'A '5 5 -3 A s b e s t i n e 3X - .
- -- - : '231XB .
1.":
Anbent-lne- i t . 2312A, 2 2 ,000X
A s b e s t i n e 3X
2'312B
-Yb'255--3 A s b e s t i n e 3X Y*2 5 5 - 3 A s b e s t i n e 3X-
2313A, -22,000X
23133
C h ry s o tiJ . A n r Oh
b o tto m
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P a t t c r n ; - o f fnr.v .;o ti J^ .
above
.
AnUiophy33 i 1<
P a t t e r n o f A.t-; ....; 1 J te
above
T r c m o litc P '-- .
P a t t e r n o f '.'.a ...c-ii <;_' v3{||
above
.
'5 :>: Ybl'55-li A s b e s tin e 325 230lAv 11,000X . : \ v <f Y b 2 5 3 -b A s b e s tin e 323 2322A , l6 ,0 0 0 X
F ib e r - i s e o n . .Clivysl t i l e a h a Air.pi.il-o.'.o t :;vr^|
5\ '
CRMC-BEV-000276
( 2)
"'n b lo i. c o n tin u e d
' y. :"(
i.-.:/. .ii.
Viiiulei'u i j. l i/f;:. ir .n n t i o n .
!;: '.'try j-ii A s b e s tin e 323
TEK P l a t e
.
N o,,
Pi cat ion
-
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tlO
!:; ''/ b '33~,f A s b e s t i n e .3 2 3 231Jt / t , . 22, o 6ox
'.V `i.-J Y`-105-3 A sb o st Lnu 3 2 3 -- .
30 !i2 \'i;2 5 5 -,i A s b e s t i n e 32-3- 2315A , 22,000X
71
''''33-i A s b e s tin e 323
j ` ,.0 #
2316A, 22.000X
33 :;c Y^233r^i A s b e s t i n e 325 - .
'
.
u'c] a c t e d A rea
D iffraction
P a t t e r n , 35X Rei/iarks .
.
2322b
- 231AB
-
2315B
-
2 3 1 6B
C h ry c o ti 1 a v-;> superim posed on
Ampliibole pi.-ii-.f.
C h .v y s o tilc .`it'-n-
' ..P u t t e r n o f Cr.ry so t 3.<e above . Longest fib er is
. A ntbo]fjbylli te
r
P a t Lorn o f An: . v . I i to
above
l a r g e s t fiV .fi' ->
T rem olitc
. P a t t e r n o f 'i'r i -t e above