Document XRzgMMaGMgg18EkpxEbqxk5BK
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vWitt{amrR?BraJlcylaiid 'Associates *
^`.Ti'^rtVUtOKUtKTAt.HmTH CONSULTANTS
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IS GRKZN STRUT NEWARK, N. }. 07102
201 622*4246
August 11, 1967
Sprayed Miaeral-.Flber^Kanufacturers. Association, Inc
Suite 2300
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One Kail Street'----..............*
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New York, New York 10005
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" * tljReV SNVIR6NhENTALr HEALTH INVESTIGATION * v
-v--a series o simultaneous air samples were collected
during a-ten-tainute/''mineral, fiber; spray application
using the products of four manufacturers. The samples
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were collected at head level at the spray operator's sta-
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tion, and then in a line perpendicular to the surface
being sprayed at distances of ten feet, twenty feet and
forty feet behind the operator.. Prior to the collection
of-"air samples"," the^operator had sprayed a wall and a
ceiling for a period of'twenty minutes.
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- Air samples were analysed for the presence of res-
pirable-si2e asbestos fibers. The testing was conducted
July 26, 1967 at the Smith and Kansler Company plant in
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Linden*
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Jersey,...Manufactured products A, C, D and B
vere tested in that ordeiTaira'spray concentration of ten
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pounds fiber to ten pounds .water. A twelve-hole spray
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nozzle was used. "
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Following the spraying of the first three products,
Stravec. yinsrr- ?rr*sr .hanuractus&rri
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and-after a one-hour lunch breah, product B was sprayed at
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the 10-pound fiber to 10-pound water ratio* Then, using '
the twenty-minute, spray-period- aii'd t'en-minute> sampling
period, product B was sprayed at a ratio of 10 pounds fiber
to 7.5- pouhds' water-and-again at a ratio of 10 pounds fiber
and-S:poundh"water.
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Spraying and Testing Schedule,
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`'Time- *
..;r t. Test-Data
lOi'50 a'.a.'
Began spraying Product A.
: Hi 10 aim-.--
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11*20 a*m.
- Continued- spraying Product A. Began air sampling.
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End of air sampling. '
11*30 &!& <" M-< . .
Began spraying Product'C. *: * ;r* -..v. r-: ;
11:50 a.m.
Continued spraying Product C.
' 'Began air sampling.
_ 12:00 noon
End of air sampling.
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lunsum.. fccu wtrsc* .
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. Spraying and Tasting Schedule - Cont'd
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_____ ... Teat Data
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Began spraying Product D.
` . 12:23^.0..- cnfcontihued spraying .Product D. * ~ Began air sampling*
an; arue; c. an-*>f;o,;r
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12:33 p.m.
End of air sampling.
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1:37 p.m.
1:57 p.m. _r.-:.v.-
Began spraying Product B.
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Continued spraying Product B.
a^r sampling.
. ;2:07;p.mv&-:r aid of ^air-sampling.
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.. 2:_08;p.m.
Began spraying Product B at
10 to 7.5 ratio.
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2:28 p.m..-*..:-Continued. spraying_Product B. Began air~sampling^
2:38 p.m.
End of air sampling.
2:41 p.m.
Began spraying Product B at 10 to 5 ratio.
3:01 p.m.
Continued spraying Product B. Began air sampling.
3;il p.m.
End.of air.sampling.
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Results of Dust Counts
iefti?llfionavof-` Particles Per
Product
Cubic Poot of Air
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Source* c?10`- Peat-- 20 Peet 40 Peet
A* 4.1-` 3.2 2.6 2.0
C * 4.4
3.3
2.7
2.1
2 D 4.6-
3.3
2.6
1.9
B 5.3
4.6
3.1
2.5
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B 5.9 5.2 3.3 2.7
(10" to 7.5} B
6.2
5.5-
3.4
2.8
ZJ (10 to 5)
Identification of Products
A - Ashestospray S -- Pyrospray -- C - cafco D ;- Spraycraft ,
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