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.
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___ _ _ w _ _ , . _. _
" ' : - _ " _ J ,_,- . . . , - , _ _ _ _ ~' . ..l,......_I.'",,~ .'_~~~......___ l'. ~_,",_~,~JI,UI.:o.~,"&-~~:iLI<.<"-...).1l".~-~ ...:~...-""._~~~~,,. _ _ _ _ _ _ , _ _- . ._ _ _ _ _ _ _ .~~......_ _ _ ,_ __
I"'P-" '\
~ ~~
HnIRDRYERS - ASBESTIFOR~ STRUCTURE SIZE DATA*
======================================================
~ A"\\
'-I"
1.-_-:':.-. -./..:"-\~1r..."";:.".!" :...~...
~ ~""'~,-'-:"l IF I Cl\ T I 001
ANALYSIS
~ONDITION.
TYPE
25 GE~': =~<~-"":I :::2:..,~::: T?~ I e
':C;~'~~L~=:\ S
;\.S::?,ES~OS
r:.2 'J :<~I:':0:22:S
r:! ~;z~ I :~lJC; US
I
II OT.T"I
\
, I I
i
I )
I
I I
I )
I
I I
I
I I
I I i
I
- IIeu'-7"7M
2500X
IiTEit, B'JNDLES
t 48000X
f
IJ.. J...J __
!""PM I FIBRILS
! ,180 OOX
IIrr'4R~~!iO'~~~ I r~ u~;r"""" .... ~J. ...
I 1
I
1
J
I I
~,__________L -
DIAMETER
Rl'.NGE
-
0.03120.9360
0.01250.0416
I
\
I
0.8332-
4.5826
I
LENGTH Rl'l.NGE
-
0.416028.7040
0.16642.2880
.. '
MEAN DIA1'1ETER
, -
I
0.1251
o .0.211
2.6038
MEAN LENGTH
-
2.7550
0.5536
- , f\;Y""( ,::-~ ""
d~' ~~ f
'''-., A,
}'1 [;~
* = All dimensions are in MICROMETERS
MEAN MASS, ng
-
1.0 x 10-3
4.95 x 10-7
' ,
'J I'f'Q''' "0 t- 6:-.'2 II) 'fl!i' - "2.e-yv.:JJ
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HAIRDRYER EVALUATIONS SAMPLE DATA
=============================
TEST
. ~
::L6
: SL'C,11?LE D::?A'::."ION
I
._ J
1-, ~ . ,~------l
I I i.,:::O L1Il',GTES
I COIn 1X':;OUS
I I
SAl~PLE
CCLLECTION MEDIA
.1{vATER
#25
1.20 L'110;UTES
'i'JATER
CO:NTI:JUCuS
MEDIA TEl-!
VOLUME, ALIQUOT,
cc
cc
7340
3700
7110
3555
S&'1
ALIQUOT, cc
3640
3555
TUNNEL HIGH VOLUME
CFH
CFM
38.4
40.2 11.2
~25-1
120 !lINU'I'ES 30 ON/30 OFF
WATER
7004
3502
3502
40.2 11.2
#13 !13-1
120 MI~UTES CONTINUOUS
\'IATER
l80
.-..)'0
MINUTES
(v,_\~ -. . "./)? 0\j
()17'F
_..L.
AIR
6980
3900
3080
40.2
II ~
40.2
11.2 11.2
#:23
~28-1
--~.--.-.-
~28-2
130 MDJljTES
30 007/30 OFF
AIR
130 MINUTES
(:0~\J~ I~,"r!Jor_iS
l-kjEIZN'l'
AIR
120 M=XUTES 31] ON/30 OFF
~~7L;' TER
I -
, I
7120
4000
2545 575
17.0
2.6
17.0
2.6
17.0
2.6
;~,
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(
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: : ;~:'-~? :F ! Cl~, ~r! C':'o,
:." '" "/.
~ r
::t~:\!'C? 11,C;;URER
CLj'\.I~OL
CONDI7ION
t'iATTAGE
!
I
NEW
I 1250
HODEL # TD2
MANUFACTURED
I TAIWAN
I #25
GEI\1E.RJ\.!..r
I :r.:::SSCTRIC
,.. . r-! ~2S-1
I G :S~'~3Rl\L
S~'~E u~ZIT Aw ~2:>1 SLECTRIC
!1" ") ::'J...I
G:CNEPJ"\L ELECTRIC
= : 3 - 1 Sf"u'"fl'l-~ 'u';.'\ 11~..m1
I A~ b"'i'o.!".I. 1__ ....,,) -. I
G s::0;E?,~llL
EL2CTRIC
!28
SEiC,RS,
;:CEBtJCK
\
#28-1
i
::: :-"':y:::: r~ I',; I T AS 1f281 S:CARS f
I~OE13UCI\
IL # 28-2
~" .!.I."J SZ.l~r:: :T~'7=T
/-":...\:}
. . /.. f~' I
SEARS,
PC~:~~JC'f\
I
I
OLD
11400
15 MCI:\'THS
OLD
I 1400
I
15 MONTHS
NEW
1400.
I NEW
1400
OLD
700
4 YEARS
9 MONTI-IS
OLD
700
<1 YEARS
9 MONTIIS
I OLD
700
,
1
_
_
4 9
_YMKON"\RTSH~J
~I-- - - - - - '--'-
S3-51~2-0 SINGAPORE S3-5112-0\SINGAPORE S3-5112-0ISINGAPORE S3-5112-0ISINGAPORE 320 6320 I USA
320 6320 USA
320 6320 USA
ASBESTOS/NON-ASBESTOS NON-ASBESTOS ASBESTOS ASBESTOS ASBESTOS ASBESTOS ASBESTOS
ASBESTOS
ASBESTOS
r
!
SAMPLING METHODOLOGY - IN AIR
A. EQUIPMENT
1. Hairdryer
ameter high volume air sampler
2. 3.
10 10
centimeter centimeter
di diameter
air
tunnel
with
5
centimeter
probe assembly for extraction of air sample
4. 5.
Thermoanemometer 10' centimeter Mil1ipore,
type RA or Type GS
(1.2 or 0.22
micrometer pore size respectively) filter media
B.
COLLECTION SEQUENCE 1. Assemble hair dryer
and
high
volume
air
sampler
to
2.
air tunnel assembly. Determine the best filter
media
to
use
dependant
on
the
respective volumes. This will enable the closest to iso-
3.
kinetic sampling Hairdryer set on
as possible. high fan speed
and
the
maximum
heat
setting
4. aDlulorwateiodnbyandtheseqsaumenpcleingasapppreasrcartiubse. d by the particular
test program.
5. The filters are presented for TEM analysis.
C. ASBESTIFORM STRUCTURE QUANTIFICATION
ASBESTIFORM STRUCTURES
(# STRUCTURES) (FILTER AREA) (HAIR DRYER CFM) (TIME EXTRAPOLATION)
EMITTED :;::
INTO ATHOSPHERE
(GRID AREA) (# GRIDS) (HIGHVOLUME CFH) (SAMPLE TIME)
-----------------------------------------------------------------------------
NANOGH.AHS
# ASBESTIFOlll\:i
EHITTED INTO
STRUCTURES :;:: El'1 I'l"l'ED
x (2.6GM/CC) (1.0 x l09 NG / GM ) (FIBER VOLUME) :
ATHOSPHERE INTO
ATt10SPHERE
------------------------------------------------------ ------------~---.-----~-
Filter Area ;:::- 6.43 x 10 3 rrun 2
Ha ir Dryer CFl-'l General Electric :;:: 40 CFH Sears, Hoebuck :::: 17 CFH
High Volume CwFitN}1 Ge.ne-ral E~lectric == 11.2 eFN
VHUI Sear~" l\oebuck
2.6 CFtl
M.t;THUlJULOGY - PAGE 2
AMBIENT AIR SAMPLE
ASBESTIFORM STRUCTURES EMITTED INTO
II ATMOSPHERE
i
I
i
(# STRUCTURES) (FILTER AREA) ::-(# GRIDS) (GRID AREA)
SAMPLE VOLUME
METHODOLOGY ,- PAGE 3
SANPLING METHODOLOGY
IN WATER
A. EQUIPMEN'r 1. Hair Dryer
2. 5 centimeter ID impinger tube 3. 4 liter impinger bottle 4. Thermoanemometer 5. Millipore 47 millimeter filtration apparatus 6. ~7 millimeter, type GS, 0~22 micrometer pore size filter
media 7. 47 millimeter, Nuclepore, 0.20 micrometer pore size filter
media
B. COLLECTION SEQUENCE 1. Impinger bottle is washed thoroughly and prepared ~ith ultra-clean water and filled with 8000 milliliters of ultra-clean water. 2. Impinger tube is connected to hair dryer discharge. 3. Impinger tube is lowered into impinger collection media approximately 5 centimeters. 4. Hair dryer set on high fan speed and the maximum he2t setting allowed by the sampling apparatus. 5. Duration and sequence as prescribed by the particular test program. 6. Aliquots of equal amounts are filtered through Millipore and Nuclepore filters. 7. The filters are dr~ed and prepared for TEM and SEN analysis.
C. ASBESTIFORM STRUCTURE QUANTIFICATION
ASEEST IFOI~Jv1
TOTAL
STlWC'l'U RE S
(# STRUCTURES) (FILTER AREA) (LIQUID VOLUME) (TIME EXTRAPOLll'IION)
maTTED
=
H0TO
NJ'MOSPHEHE
(GRID OR SCREEN AREl\) (# GRIDS) (ALIQUOT VOLUME) (SA1-1PLE Tn:::;)
NANOGRf"l!-1S E;,lJ T'l'ED
H:TO llTHOSPllEFE
# ASBES'l'IFOPJ1
STRUCTURES
mn'l"I'ED
x
INTO
ATi'-1OSPfIl;lU~
(2,6 GH/CC) (1.0 x
10 9 NG/GH) (FIREr<. VOLUt-1E)
Filter Area = 9.89 x 10 2 Mn2
TEr'l cp-j d (lr(:,j :-- (,.4 x 10-.3 TIun 2
SEc'l ;;c)'ccn area ::= 4.4 x ] 0- 3 Illin2