Document Qq1NYzJ8awz6G45y28Gw4vER
it
5
Messrs. J. toumler, D/62S r. S. Paxlal, D/700-9
17, 1977
\1
To* my be Interested la the attached report which oorets aabet boa dost toatloy conducted la the Mine, WT aatomotive center oa January 77, 1977.
la Indicated oa pay' 0, we are wall within the allowable Halts vbeo baoyoa atoms arm used la ooajmetloa with . proper Installation procedures.
MAR
000829
32?03T
of
^
INDUSTRIAL HYCIEN2 TESTS
for-
ASBESTOS FIBERS
*"**"'
. conducted at
.
*'
*
sears .\:-Tc:::nvz center
"4
II.MIUST, N.Y.
' '
'-
li
on
January 27* 1977
i *
I
i ii
f
i
TEST RE"OR 1^2025
Fropared byi nc
MSSflAGSL ASSOCIATES
I*4i*iUf t TilU* Cimltiiii
:?j; 2i. n ci*rfT Riii. :i.j. oaoos
(509) 424-4440
Distribution! Mr# Lax K. Smuts Dtpt. 731
. .Stars, Chicago
. (3 copits)
Rapori Ioautdt 7obruary 11, 1977 ,
m ii i
"7
MAR
000830
9
r
C*' I*
5
\
L'
*o
3
3 v>
\\
(f/dVcS)// As/
cr a
UJ
ri y>
v3
\J
3 V-
c
</ v? a
%
L
a Q
tl
MAR
000831
. SI
r:cuiti of the .'.tbntcs 7'*: *.7 Cc-r.tir-s
nra ahrn in
Ji'jlj Z - --wi
i?>rjonil Loca 3 am- tion )lor i *z
. .1
'3-7
a a f
lefir
L
to
`.'3-1
4
*:-? .*'J-/m
J .
1-
ASTiS*?"" 7^77
Ti= Sam-
ol9dr
ir'ia^Ra Greater than 5 ,u ond < 1C10 yi
with an aspect ratio of at ! toast 3il
mins.
Total Av.3,
Tiber Tiber Count Count
/.Mill
Concen iVllOWClbl'l tration | Limit Tibers/ < 7i*cars/
Sit (1) ! (2)
Allowable Ceiling Limit Tiber3/
si (3)
Operator t
142 6 408 j 2
.Co' .02
1 .C411 :
.1
.0477
l'.'.l
*
"arrani
Cilv/orth > Slacidon
430 5 .05 -.0110
.2
15 0
0! 0
1 j
263 3 .03 1
Charles 10 Spagna
r?tui
i
"arror.s |
?iul
Matrons 1 - -
.'otni ii
'.j *..: j.--.ration of fibers/nl la calculated on Vials of sample n. -.me and i:m of cimcrim filtar and microscope field
T7A la lias tfeijatud Average.
2) Ai.:*ble Limit as of 7/1/76 for 1$ to 8-hour axposurt.
2) .`.'.lov-tble Halt as of 7/1/76 for 15-minute exposure.
o
mm
MAR
000832
" t'vtion
CUSTOMS*I
Cl rv-?y.q;1-
/ > **!,' j 0.--t-v_____
ShotonicratraphJ Jho'.eir-i f-.'ira* C- :: (Tilliontha of an inch) i
vn
n "A
.*
!?.' *
/:'* v.^-vo i i i -5 6 6*&
-
`T i >.
.
C"1 ;<! ,U--r-
". J.iii
, 4* * f '
.
i
, ` .*
v. ` *
i : i
Sample or , rt < 7Altar S/M 1TO
-Wo 13 Q.?J CL^lfoS fi'c -T O f CuOCU> v"
I
All photomicrographs are takon at 520X magnification us in? phase contrast optica. A micron is _/l.000,000 of a motor. In other words, it microns octal .0001 inches.
2
MAR
000833
Station
CU3TC;.S3i
rJ
v,- n_
Cr.:4
.Lu-L
'hatsmlcrsiiriaha 3iic-vir-5 floorsf guj* 3? lift* in a/.troru (jilliontha of an inch)i'
3/:?
All photomicrographs arc taken at 52CI lasnification usin? phase contrast catics.
A micron la 1/1,000,000 of a meter. In other words, 2j microns equal .0001 Inches.
.'73A-213A
l
MAR
000834
cncTt;sT0?t5
T abl i I ar.a fa that Tispl-j.* Jl, -fZ, JZt .'f,k and if5 for th* day
.r?ld, Ji.-.uary 27, 1977, ar? wath.n th alijv/ibli jxpenre Unit
f?r ijbutos. Thi bachup Tin* V.'-iith-Md /."tr-ft
iri
i
In osction IV for each run and for the total sanplin* tina for Hr.
JJarron*. Th* Tin* Weighted Average calculation for r:r. "trrona for
thi day was .0207 fibers/al. Th* 15 minut* calling li-iit aavjra tost
aljo ahowsd no aabeetos fibers counted on 100 randoa fioldo of th*
flltir used. Sine* this result was unexpected our lab made a count
of a sacond 100 flalda on th* filttr. v/hsn the c-sto-.d loo random
'a of tlu sa.:o fliior 'n;j
mi rj.iMiia (t?ra /ibars)
ssnflrssd. In ths ditnilid ClCCn:.*:::.'! 07 U3Z2 c:i Pap 11 than
'.*i additional words as to why this "oiillr.j Unit tni' nay havs
shown such good results. Those calculations ar* based on asbestos
exposure during th* tin* sampled.
Thi prsvioua national emiasien standard ('effsetiyi Jura 7,JL97Z)
ssbistas, published in 7ZZZ?.; ZZ2ZZZZ?., ''si. ;3, tfo, 2;j, p-pj
:
by the I.P.A., and in 'ZZZT.VZ :ZZZZZZ?..
;7- :?a. ID,
'.*'i Ujl.1-ll322 by O.S.3.A., statin "Tha prsjusU aianJari vr:ld
'"it oetupational exposure to 3-hour Tina 'Vsi.jhtri .Vnrsp (T'M) air-
tincmtritions of asbisto* dust r.ot
five fibers lor.pr
nitron*tars par nillilitar. Ocnorntratlons above five fibers,
* rot to exceed t*n fibers (calling concentration), would be per-
*`.d up to 15 ainutes In an hour, but not for more than 5 hours in `
\-.a 3-hour day,"
10 v w ix hi-' 1 J -- ~*
MAR
000835
The new national emission rtandirds (effective July 1, 1975) Jar jtai, p'lb'.iihed In 7222?.:.l 22ZZZ22?.. Vcl. M, t!a, i:-.'r';:3 i>7o5> ?:ij 'ey O.S.H.A., lowers the permissible exposure to ; fibers for w 3-hour Tins Weighted Average exposure. These standards ars now in j ' jet. Under th existing O.S.H.A. limits. no areas exceeded the TWA Unit of 2 or 10 fibers/ml. It is the belief of ROSSHAGSI, & ASS0CIATZ3 *. that there exists little possibility of exposure abovs tho Units on another day (since the TWA are ao far. bolo*.r tha limit) if tha anas working procedures are followed.
O.S.H.A. presently requires periodic zenitaring at intervals no longer than six months (membrane filter method) Radical surveillance is required for all workers who are exposed to asbestos ao part of their work environment. Required components of a medical surveillance pra-raa include periodic measurement of pulmonary function (forced *1 :al capacity (?VC))f forcod expiratory voluas for .1 second (fZVi)*, v.d periodic che3t roentenograms (posterior-anterior l->'* :t 17").
10.1
I i
J
MAR
000836
::x
C2SC?.T??T0M C7
J. ?. Wilts, Chemist, arrived at the tan a : 3ilC A.3. is tot-
luct the einpling. Thj szr.pllr.p "aj oriplet:* at 51.:;
v "aria/ discussion with Mr. ri:nl:*.j,
ii. * * 1mI .* * t
ji30 71 va Millipore Manbrana 711t3? Cassattsj *.;?:*i u;i*.issd with
four Bendix Personal Samplers to obtain *;hi in-sjriijd carples. Four
0/ the filters were uced on oxtandod tests during senaral -.wrl: d?7
and one filter was used in a fifteen-minute ceiling limit test on .
what was believed to be the worst ease situation#
Mr. Lex Smuts and Jia Waltz present and watching ths flow of
v/or'.t during'the entire r.oming and were=^iarticuiarly at; jativ-o during
the 15-minut celling limit test. The standard work practices wsrs ginerally followed during the entire day but the regulation requiring
ths backing plate to be wetted before being brushed (not blown) off
may have been more diligently followed during the 15-minute ceiling
ini than if Mr. Smuts and Jia 'Walts had not been present.
Tha aeabrane filter cassettes were carefully kept in an upright
t-siition and returned to the lab for analysis. A representative
:s:*.ion of the filter was cut, properly mounted on a glass microscope
-Ude using a 11 mixture of dimethyl phthalate and diethyl oxalate
-1 examined at a magnification of fcCO.k using phase contrast optics.
"he number and length range of the fibers observed in a given area
-dir the microscope was recorded and this figure was used to calculate
-h number of fibers per cubic centimeter (or milliliter) of air sampled.
Photomicrographs of asbostos fibers found wero made to illustrate
the concontration of aebestoe Is visually countsd. Fibars having
11
MAR
000837
1.
m**mk
an 1 jpjet ratio of 3*1 and whi'eh ware lar3sr than 5 aicrono and up ".!) ICO Microns wars countad. A nlninun of ICO fialda was examined ud than tha fiber count total-ad.
This is an exceedingly shilled and painstaking operation requiring 2-3 hours for each filter under microscopic onaaination. Soo the additional words in Procedure #113 included In the "O.S.H.A. fiber & Mineral Dust.Tests" paper which can be found in the Appendix.
f t 1I
i
12
MAR
000838
Saaple Volusia Calculation Fiber Summary A Calculation Sheet
*
f I
I
13
MAR
000839
, 7 J s
A Tcclmicol
V*n v. n r-- : \
.-Mil * ^ 1
t W .k M l J <
jcriTtion^,
# -- *
# .r<m ** . * . -
T/-wj A( J;f 1
3 Y~
:.;r? :.v .`2^ :.lv-
__ . ^ / / . r /.rt'3.y 7-37TJ/ S'.Y;Vr
3/.v No, Pomp r? Ti;->z(,\,:!'jrz'*J (firr.'fij/. ./,yJ YcLxU
??3 1
/*.$- 2 /*a-7
J;'/>.- ?:U--'v'j-/ :a j'-iV./i *
3'>-*-1731
7
''.'.-A '.
' r* ' ' /,-J
17,0 f
;ss a ; ^-<9
/-rr/v /, r, .
tlZi-xni-l-ryj * /--s
* n /-- 3
/36# V
'37
/*- ft
/2.'v\?
7.
/V-/.s/rJ* i`0 -//..;
PS-7 //:?, ~//:Z3s JS /
//:3/-'?;/3 -v2?-7a/. 5
/>S-7 ./!7L-S'.'iZmt2ly
3Vr,.5\ . 3.V.4 > 7/7 -'0.V / 27
70'& \y7?, // 37 7.3 /V -**l
< ML+I54&Z-* "'ll ( 2j s/f7J6
-
jJ.YI .*LZui*Ar/is/ 9,* 7/t'iz *v T/oyrSD /?:<."*'? sAf*
2. /(Lo.sC.SN7Z.rfin-\t., f!/,')\J?7i,*?.- ___,, . ,
.1 -
i ... . c; / u/..j
Total Tins
*
(ei/Q'Vi. * eQs'fi-(,otOS)Z'i . . '`iZ.O '
.02o7?J'i(rO
"Per /Mr, Hi'norxS.
ji rr; T?w.w*.y* . 24v^MiKrn df*iiM<i
150 AXirOHA AVI.. M.t
^V ATIAMTA, 0A. 10*07
MAR
000840
i . -..........................mJ9 ^.:j-cna av*., h. L
. * ' "** * TM
`
_
.;a7Mtri.i| - Tailing Can-.jJ'.jn'.j
~
. n."' it. 75 Owrr
1J7A7-4J:C434Q7
...................-
* IVj .laport ,?1*T ,,
:?3-s iiport ^ *?^
*. pi? mt p ^ f**Jm *1* * * *,**" * 1 "* * ^
Z-i.i
If t < <i>/1*?
iil;HiZ
Customer Kama Addrssi ___________
Par3onal Sampler # jf&LSZjzZm
c:-.jc::3d hv
Plltor s/Sf 153
Opa ration
_
Typ of Fl'bar
........... 1
If mors than ona ?ora 130 ia used for a Given filtor, than tho to^al count3 ara tabulatsd helo^i
J ratals ?37C3nt
R tr\ VI
CATZC0?.IZ_ 07 7.E.V0THS
ll >'.;-10 Ji j >10-20 ,ul >20-50 All >50-100 All|> 100 }X
0 i| & t / I o 1 o
0 1 93.3 ! !b.7 ! c
a
.*? V >rs-
it o ! O
Total Zltora Countsd. Avsrars Nat 71 car Count * . , r*-.T?^~^
.:o. :u--3 counted
'ir^llnj 3atai /* ^5*311 tara/nin.
`Suaad on '.Mflildj countj-l
"-"nllns Tlaat
nlr.utas
'""lin3 Yoluss ariata nTiao /
n / **? n lets'*
.V;-. Hat
ricar
,, - -'.v//
5r Concentration Crtrtt rr ?.?1 -CftO a -- - n 171,:'Crn0 a *
.:
Voi. aaaplad, ai .s
_ // P
<** ?:?/al
':~iS3-'rf-2 l+}r WC3 Wg^l CW<< vi 4-hr-r Ua1 a.lar-jC fiv^eu.if- )* ak~Sf pt***'
*9 not count as flhara .7SA-2H3
/H
MAR
000841
*b ::aae s?0.rs :i J " s j
} .> '-J
ir
t :a ja_
2agiafiM u Tillin' CaitiviL^!* l?1f 5t. 70 * Otar Mill. :.i. 32903
?JT3cnal Sanplir ;f_
zz-.i
c:uc:tM 'yj
/
r.:C
^nifleation Reticle
micro?* siz; d;s??.:~*jt:on ?? cow? X Claasiflcatlon L;><? 'S"?" !'? &.`3T?>/
Field Sampling Method r*
vli. Hold Sample Tima
mlnutoii
;i. Id L T
1 1
a* e n0 s
1 '1 i
CATFG0RI23 OF ISifCTHS ' 1 >5-10 m >10-20,U |>20-50 ii j>50-100Ai >100 }X
Remarks
1 :1
;J / . i
;
1 ;!."i
1! i 1
11
!l I
.1/1
`1 /
t
1 f* * !
i `'r-r-i* ! l!V~v:-> 1H
IM
I
'`I 1 1
1
i/1
.
<
k1
'.'-J . 1
`".I '
1 1
1 1/ ! 1t
:l
1 t j 1!
1__________________________ !_____________ !____________1
1I
*
'
1! /'**/'J*!
1*
!' :
t|__j___________________________'_____________ -
i|
t
.11
;;
1
1H
! 1 1 !|
i.
1 1 1
II 11.____________ _____________ aj
________ _________________
iiii
ili
i
!
<
''Til 1 - FTrxz i
'I V~ | 1 11 .1* J.-3 1 7G77
1 ..................'1 1 1
1 _
"t----------------------------------- -- Fibers
' it 1. Must count at loaat 100 fiber* or a ninimua of 20 random fields.
C. Ccunt only fibers having an aspect ratio of at least 2>1 and a
lingth of greater than 5 micron*.
'. Ton?i:ude is left-to-right on filter, latitude is in-and-cut on
>. Fibers counted under phase contrast optica.
fi-to-*
j. This distribution IS MOT on a wgt. basis. Total Fields Counted,- ;
. -iov.ivUa
... /vl J
Total Fibers Co un:e
MAR
000842
l`.t 1
1 * '* *'*! .'f
Ai<l?333 ______ ?i73or.il Saraplar ;j* :: :ti 'dan____________________ ..71 3/ 71*337 rSa3.:T~o"
Cl:: ':' i a ' ;
s/;f ^r:-\
T- m.'i ::im v.3
:.:c :.;
:.':r
Tania "iTij.Tt
< 5u
ca'?2cc?.:33 c? * z."c
| > >:o ;j :-vj-2o ,u : >2>';o .j i :
4 \1
!
-fOfe7' r-C /*5 '
..
j
7rn?-j Cos.v.j'i y.. ,
kVimji Nil ?i`:ir Oc-ir.*
:o |>i.:-)
- y.i.'.z
it
y-j
.:`.inj ?l33i wV-al.y.}3
> -r -all.nj Valuat Ra-ta x Tlsi ** *
a1
*
-
a?s. :?4t
.;
1i . i7 . Concintration /ox. oamplactC, ,I?,(,uTi _______ _/-* J
k ...Jl
*
<1 ` 2o r.ot :aunt as ^i'37S ' J2A-:il3
MAR
000843
>') ;ram >
/_______\_3_ U
kjr d,:t
~ .........-
iai;hrii1 * T.-itiof C.MuiW.-tt;
n:? it. r? c*i!ifT Hiii, :ui. o::aJ
FjrtJ.tal Carpir
......................... . .............
litj *S n ... c.'.iz::d
> __:
'< ^
:: r.l.V.catian
::
'\ * m ' T "* t* i *'
.1 iticla Oj.<?Q\j
__ ,, , Operation ________
Field Sampling Method r* ^ V~*. v'Field Sample Cise
::l<i}l.dl1La nt0T < 5^
CATEGORIES a? LENGTHS
>5-10 M 1 >10-20,ui>20-50 ,u !>50-1C0;u| >100 .u
1
11 / i
!
i
'
minutes
| Saanrha :i !
1 1 {
' 1 |
il
' - ' `
1
* * ! I 1 ! i
;* I VI 1
Hi
i ? : > 11
; i
i 1
i; i!
V\ i
i /1
1
I ij
i __ 1.... 1
1 >L _
r: ! 1
i / .1
i
1 II
-Ill III
!
i 1 ` 1 h;
1 - .1
1 . :*
1 1
il
1 *t
i
--5--------------- 1 i
_ . i.
il l 1 i i |l 1
I -. i
.__* :
il 1t 1
|| u
1/
1! __ 1__ - t
t t :
i* (
i! 1 i i-- -]
-
' Fibers'
11 1. Must count at lsast 100 fibers or a minimum of 20 random fielda. Co<'.nt only fibers having an aspect ratio of at lsast 31 and a Imjth of greats? than 5 microns. I.viji tude is lef t-to-rl*?ht on filter. Latitude is in-and-out on "ibera counted under phase contrast optics. This distribution IS NOT on a wgt. baaia. Cotal Fields Oour.-ert.^.
1A-130J*
rhJ*
..
MAR
000844
caynttiinf & Tji:iy Ctniuiu.itj W9 .U.*70 CV.-r- Mill. (U. OCCOJ
ATUHTA, GA. JOIST
_ hq4i m.'.m
lab Report Jf Teat Report # Customer Name
77221 SUMMARY ft TALSULATICn SH55T
2nV> \(*>\ bn
So^f,
2ada by <7^
Cheeked oy
^
Address Personal Sampler #
P4~~7
_____ Filter S/N I
Operation Type of PlberA*,K>.<l-7T<, ._ .
If more than one Form 130 i-i used for a given filter, then the . total count3 are tabulated belc->*
Totals Percent
1
0 0
< 5m
0
*.
CATi: :.'iIS OF LENGTHS
i| >5-io/i|>i.-:oai! >20-50 jui >50-100 >100 >1
il g
<
0 0 1O 0 _____ o_J O'
<---------------------------------------------- Fibers--------------------------->
#
Total Fibers Counted_0
Avsrags Net Fiber Count 3
-ampling Ratsi. t'&\its r5/air.
Jii' i_TAda
.sun-id
P__ based on. !COflnld3
counted'
/J'
<L Tiy
^rT ..
-'"-riling Timet /jT nir.utos Sampling Volume Rate x Time /." x
JA _ __
m 1000
c7. -
Avg# Net
`-
' 7i*p . ,, . '
fiber Concentration 52V"^?**'"*bjr; It
, VOli StLSp ..'Qf 1i
LSniBSSi
m ~ *
& - 171,000 0 fibor/al
* Do not count as fibers /RA-211B
rsaw
MAR
000845
Vj /
\ "Ui" 1 t
*
me U.-70 Ctinr pj. ail S.rrrltr
:u. cue: - v. j
unification . VO 3 `I
Type Reticle 0033? i4.
C^rrv'sior.____________ --
e.^sv' Field Sampling Method S^rai !LCi_
Field Sar.ple Tiro ,____
minutes
Field L L
I tin
a t.
n0
M :oi
i1
1i
CATEGORIES 0? -LENGTHS
<5jj |>5-lO;u >10-20.u,i>20-5C ;a :>5C-lC0;j'MOO .u ||?.trr.r'.:3
, i^ * lu.1*ire. re tut *u* i2 i*z *-*'~z ? - *t .: ^r.:. ,v **, r? r-^/'Z 1
^
-<n fl !*
<--.
.' ! 1
'I
'HI
i
1 * J
||
11 i
1
1 i
]1
i ii <1 i
1 -;*s j
ii
i
1 '
11
1
! i 1 1
1! n II II
11 1
lilt
H1
II :| 1 1 - i ! -II
ill
=
i i 1
li
!I
I ( I _________ <1
>1
\ 1 1
:l _1 i - Li
r 1
.
i1 ! !|
1 !1 i, 1
.;1i 1 . - . .. ; .......... .
11 1 .-,.n4.$-i'rr*trl...'""
!: I!rli. . -----
--Lr-n: iJl_|11_______________________________ _____________ :
'<----------------------------------- Fibers-------------j'-rr-.----------:
; I# Must count at least. 100 fibers or a nininua oi-COrrancoa
...
2. Count only fibers having an aspect ratio of af lffttt
"
length of greater than 5 microns.
3* longitude fa lef t-to-right on filter. latitudo is in-ar.d-ou~.cr.
fibers- counted under phase contrast optica.
' \'hij distribution IS NOT on a wgt. boais. . Cotal FL-jV.-i Cor.v
MAR
000846
I I < ti / Ut4.
'0 fonaj*:: >*< ,^r^j2l|VCTp)<71 ,, 70 . {.lV H!I1 ;!-J o:-,3
' '.'s J __IL13__________
.
:>>:t
_____
.'ll::.* s/.'riV i
Personal Samelsr .>
...... .
*.;;ation
Filter Tvre-j'.''.
- C>o'*.ed
---
t Jttl !**><***!v*m* wl>/ .* ..<<*.**
.1 /nifisatior. <-`^7 :i
; z w.i *.'
2ype Reticle ,. Pc^qN______________
ct- raiior.
Field Sampling MethodField Sample Tir.-s
-i ' * * nlnuteo
:i sid >.
i. s
CATSGOF.ISS OF LZUGTriS 1 >5-10 A* >10-20*1 >20-50 n j>50-100;j| >100 n ||?.er.arl:s
-j.* 't
I I ^acialiJqf rr'f-nJ rJry>j -ftW'.
II I!I
It
1 It |!
\i A : O' '..-v"!
t\ 1 -A .* i ,.\-i
;i
I 1 !
1 ^' 1 .t'./
:
i| ,,\ > ^
i *
\^ *
*
.\: i 1*
t
! iKl ,* .i
i
.. 1 ! 11
* ' \ A* 1
t '
''
..
* . i i 'i
'i ; i!
v'
i , * 1 .'
*
i 1
i w V i ',
. * s_ * ;i i
1 1:
, i!
1 t
1
-5 V t t/
!
'
s
i;
Ji
'b
t
i
i i
!l:
i'.j :-nt
i i
1 1 .I _
:i J
Fibers
Must count at least 100 fibers or a minimum of 20 random fields.
2. Count only fibers having an aspect ratio of at least 3*2. and a
length of greater than 5 microns,
3. longitude i3 left-to-right on filter. Latitude is in-and-out on
>.
fibers
counted
under
phase
contrast
optics.
filter-
.This distribution IS NOT on a wgt. basis. Total Fields Cou.'.>ri__lJl
FaA-130-4
o,,,. I'l-r)
' Total Fibers Couatuo.^
MAR
000847
-
~ r
li#iMriit| & Ttitiag Cj'.IUnl
2-0 A.tlOOHA AVC., N. I. a7L.:i7a, ca. jc:oj MCU 577-4S-13
SJ77 2l. 70 C'jtrrr Hill. f;.:. *.003
ttder summary & calcth.-ttg;; z:~i?
Xa*o Report # l?'3) Taat Raport #
Z : Jo *oy --- ______
Customer Name Address-
Personal Sampler If
Che dead ov
Pilxjr s/if \rt
Operation Type of Fiber
If more than one Fora 130 is used .'or a given filter# then the total counts are tabulated below#
j Totals
| Porcent
1 5-u
CATEGORIES CP '.ZffCTHS
!| >5-10 p | >10-20 pi : :o-5o m j >50-100 ^||>ioo ^
1 i fcb.fe
1 -1
S3.3 I
'I
Total Fibers Counted 3,
. /Triy^g*4
! 1 JsV;u'
Average Net Fiber Count
i.>phased on><50 fields
Sampling Rate#
Sampling Tine# V * j*,i: f'j* V\
Sampling Volume RataxTlae*" '*#x
*-'j` * ;r-i'
glOOQwr-
; W-w'sS^P0B^4.!aN&^i'
Fiber Concentration,'*
REMARKS#
r- i i*a:
mwk
W
* Do not count a* H 1 Fora ^RA-211Bv.^J"'
v*;-. - tff
MAR
000848
W n.y.
10C1TI0S
svbtts log
jtA- y I yy\ n
2123 )-Z%7)
'1213
7/233
5'-:a y.'v~> 5h<S?'5<0
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ATLANTA, CA. 10i07 (4041 J7J-4iU
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engineering 4 Telling ComuUir.:: * ( AT. 70
MAR
000849
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r T* 27E112S LCS
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ATLANTA. OA. J0JO7 (4041 277-4241
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Engineering retting Contullinlt
RT. 70 fin*r niti. it. J. 01003
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MAR
000850
MAR
000851