Document RJObVqX6G9KdG9DxrjwoYQD4v
FILE NAME Caterpillar CAT DATE 1976 July 9
DOC CAT025
DOCUMENT DESCRIPTION Memo- Industrial Hygiene Sampling and Evaluation
of Asbestos Some Parts Redacted
CATERPILLAR
PEORIA
TRACTOR
CO
| OFFICE | | DEPARTMENT ATTENTION
DATE
July 9 1976
PLANT OR
_
OFFICE Bettendorf Bettendorf
.
DEPT
.
*
Administrative
ATTN
W. Bracken
(J DESTROY
FILE UNTIL DATE
ce
G.W.Grawey
E.Kinser W.C.McCabe M.D.
R.L.Turner R.L.Turner
SUBJECT
i
CONFIDENTIAL
=
Industrial Hygiene Sampling and Evaluation of Asbestos as
On
Asbestos
May
Asbestos
28
review of Bettendorf Betendorf operations was 1976 an industrial hygiene
exposure from gasket gasket removal
REDACTED REDACTED
conducted
were evaluated
ro
to airborne asbestos fiber
was used to measure employee exposure
Personal sampling
containing residual asbestos gasket
from glove box abrasive blasting of parts there was evidence of leaks in the
material While the operation was enclosed
asbestos fiber exposure
Also there is some potential for
glove box 27M174
doors for removal of parts Additional sampling was
when opening the glove box
Detailing Area where an employee
performed at a burr bench operation Washer material A local exhaust system
uses a driven wire brush toopreerm ao tv ie onsgaw skeerte outside an effective capture
was present but gasket removal
was inoperable at the time of the
employee's of the hood Also the exhaust system
fiber on the
- range
considerable amount of loose asbestos
review
There was a
Contaminated clothing worn home can result in asbestos
must clothes and workbench
employee's family
Circumstances such as this
of members of the employee's
exposure .
be prevented
AIRBORNE ASBESTOS FIBER LEVELS
- Location
Operation
Disassembly
Glove Box
27M174 . Abrasive Blast-
ing
Employee
Duration of
Sampling min )
.
e aor oo
M.Eberhardt
308
;
Fibers TWA
0.4
Burr Bench
Washer
Detailing Area
Wire Brushing
D.Hamann D.Hamann
302
*
0.03
81-896-80505 +2
1030513
man
, W. Bracken
July 9 1976
The
current
exposure
limit
hour
TWA
for airborne asbestos fiber is 2 fibers
limit The exposure results of M. Eberhardt
measured exposures were within this
OSHA limit of 0.5 fiber is adopted
The would have more significance if the proposed
practicable material must be disposed of in closed impermeable
: All residual asbestos gasket
trash The drums of spent shot containing
containers and not handled as ordinary
indicated in OSHA 1910.1001 g 2 ii
asbestos material should be clearly marked as
of medical examinations
The exposed employees
must be included in a regular program data must be retained for at least 20 years
These
Mediral records and monitoring at six month intervals
If a significant change
operations should be resampled
should be taken as soon as
in operation occurs personal exposure samples
REDACTED
1030514
013
WL W.
i}
"
uly 9, 1976
REDACTED
questions questions
Call Call if there are
to this review would be appreciated.
Your response
Industrial Gies R.
IInndudstursiatlrial Hygiene Engineer
Exc. Ext
iw
attach.
1030515
nag