Document 44QbKnkZJeyVLzo7XDZ6mRK8p
FILE NAME Manville JMA
DATE 1979 Mar 19 DOC JMA526
DOCUMENT DESCRIPTION Letter from M to Navy Department
, s
_
.
pernowt,a Seeeat?
be0a . Fen ces Dewater Erremeniceans
Dewater Erremeniceans Bervinto Dewater Matey & Environment CuquerquemA
March 19 1979
31902
31902
- .
we
a
Commander Joseph J. Bellance CMoCdeUS5N52
Bureau of Medicine & Surgery
Department
Washington DC 20372
Dear Dr. Bellance
In accordance with morning I enclose
our
the
telephone following
conversation of
information
this
1. Asbestos Cement Pipe
of
the
work
practice
booklet
prepared
Association
A. A
Pipe Producers Association
copy Asbestos ecommended beynttihteled ecommended ecommended Work Practices for A
Pipe
and conclusions from the
B.
copy
of the summary
prepared by Equitable
Environmental
Health
report
Inc. of
Berkeley
California which includes
utilizing
monitoring date from field operations
the recommended work practices
II III
Asbestos Sheet
Manville's Research and Development
A. copy of Johns E411 377 entitled Tool
Center report no
for U.
S.
Navy Seabees
Demonstration
copy showing the tooling tooling
%. Zerca
of photographs for
asbestos cement
sheet
has been developed
to that for C
tAhawtork practice document similar
pipe is being prepared
Asbest's Roofing Felt A. A summary of asbestos fibesritmeosniwthoerriengasbdeasttaosfrofmelt
a series of construction installed
roofing was torn off and
Condr Joseph J. Bellanca
. Page 2 March 19 1979
data for spray application of asbestos forced
the Flintkate
Monitoring
asphaltic
coatings
has
been
developed by
the
fiber
levels
in
Company
They have informed me that below the OSHA mandated lisits
I would would
all cases artehat brush application of similar products
agnetniecraitpeateeven less sirborne fibers
was not required when
Special
tooling androwoofrikng prfaecltticoers asbestos asbestos reinforced reinforced
asbestos
firmly bound by
applying asphaltic coatings
The fibers are so
are sufficient
the asphalt that the standard work practices
point of asbestos cement products using portable
Fabrication
airborne fibers in excess of OSHA
power tools can generate
these fabricating operations
limits
This occurs
because energy
to the pipe or board of A
apply sufficient mechanical to literally tear the fibers loose
In the case
of single
this problem has rbeeceonmmoevnedractoimoen btyhatthpeorutse able power
psoawisnt ntotoolbeingusaendd thIen the case of A sheet the parnodbltehme
is being solved by the use of special hand tools
installation of dust control equipment on portable power
tools
I
hope
this
information
is
sufficient
for your
is
needs
required
Please contact me if additional information
Very truly yours
EMF jh
Encl
CC R. P.
Carter
Manville