Document 99bwE6j17XK1yyw8vzg568jGR
FILE NAME: Ford (FD)
DATE: 1979 Aug
DOC#: FD143
DOCUMENT DESCRIPTION: Internal Report - Assessment of Asbestos Use and Impending Regulations
ASSESSMENT OF ASBESTOS USE AND IMPENDING REGULATIONS
Vehicle Materials Development and Planning August, 1979
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ASBESTOS-IMPACT
Purpose 'o review and update the engineering asbestos plan.
Background
'
The 1975 OSEA proposed standard remains dormant. If promulgated it will lower the permissible
occupational exposure limit for asbestos from the current 2 fibers per cubic centimeter to
0,5 fiber/cc. Formal hearings that normally precede issuance of a final standard have been
delayed for-several reasons:
.. A standard for the construction industry has not been prepared.
. An economic impact study has not been released, although it has been in
draft form for Bix months.
__ _
. Continued attack on the proposed standard by asbestos and mining interests as
being too restrictive.
Contrary to this apparent inactivity, NIOSH has recommended documentation of the "life eye .6 of asbestos from mining to disposal and elimination of all non-- essential uses. A working group in EPA's Office of Toxic Substance is currently performing a "life cycle" analysis of asbestos. First priorities for regulation are paper products (gaskets) and friction materials (brakes).
Assessment
/ study of the current regulatory situation indicates a high probability that tighter ' environmental restrictions on asbestos will be promulgated within the next two years. The
fact no firm evidence exists that the current standard is inadequate only means there will
be no emergency standard of a disruptive nature. Evaluation of the current standard could
take 30 or hO years and still not surface concrete evidence supporting either the government
or industry position. The burden is clearly on industry to "prove" the current standard is
adequate. Since this is not possible and the government agencies were created to regulate
the use of materials, we must proceed on the assumption there will be further regulation of
asbestos.
.
The previous scenario for a staged tightening remains a possibility. This would mean a
reduction of the current standard to 1 fiber/cc by mid-1900 and 0.5 fiber/cc by early 19o3-
However, this timing is unlikely because most industry currently meets 1 fiber/cc and the
proposed standard has been "on-the-books" for nearly four yearB with no action.
^
If, as expected, during the next two years the proposed OSHA standard is promulgated, and/or regulation by EPA of asbestos emissions from brake wear occurs, then the following results can be expected:
A. A -drastic reduction in the use of asbestos containing friction materials over the next 3 to 5 years. Comments:
. Court challenges will delay implementation of standards for at
least 1 year.
.
-
. Transmission and Axle programs will be accelerated for non-asbestos sub
stitution. (Attachment I)
(
. Costly "crash programs" for brake drum substitutions.
* . Attachment II shows the company usage of asbestos containing friction
materials.
* General list being compiled by VMD&P- additional input required from PEO's for completion
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2.
B. The use of asbestos containing gasket materials vill remain cost-effective for most applications. Comments:
. Raw asbestos comes from Canada7 . Process areas meet 0.5 fiber/cc by encapsulation. . No emission problem because of encapsulation (with
exception of disposal). *. Attachment III shows the company usage of asbestos
and insulating materials.
the possible containing gasket
It is less likely that we will see a standard of 0.1 fiber/cc. Streets in ma;'or cities have been measured at levels higher than 0.1 fiber/cc and citing this level as dangerous could result in' "public panic".
Competition
Several years ago, GM repqrtedly .considered a policy to get asbestos _out of the brake linings because of the toxic concerns. They decided that the effort to find a substitute for asbestos would be better spent to improve the performance and durability of the lining material and
opted for a development program with semi-mets by '8l-'8 2 and all linings (disc and drum) by
'8,5. The asbestos issue has helped keep the semi-met programs going over the years. There is no "official" GM company policy to remove asbestos from other component areas. However, because of toxic concerns and company awareness of asbestos, gaskets and heat insulators are slowly being replaced with asbestos free materials. Asbestos insulation reportedly has been removed from manufacturing plants and the facilities that manufacture brake linings meet the present standard of 2 fiber/cc. It appears obvious, regardless of company policy, that GM intends to eliminate the use of asbestos. Their approach of "no formal policy" is a result of uncertainties associated with cost and timing for substitutions, and a general awareness that issues must be dealt with before they become problems.
Chrysler also has no formal program for asbestos removal. However, in the case of sealers
and gaskets, they attempt to use non-asbestos materials wherever possible and in most
cases, are now introducing the substitute materials. In the area of brakes, front wheel
discs are being converted- to semi-mets as new programs permit, but no plan exists for rear
brake drum substitution.
'
It is unlikely that crash programs on some friction materials can be avoided when tighter standards are promulgated for the following reasons:
. Reportedly there are no asbestos free substitute materials for drum brake linings
available for evaluation at this time.
_
. Despite the lead body solder fiasco, the engineering attitude (with the exception
of Transmission and Axle) remains "wait until the standard is promulgated".
(Questions have been raised by various PEO's regarding a policy or position for the
use of asbestos. In the absence of other direction, VMD&P makes recommendations
later in this paper for a specific asbestos policy.)
_
. The automotive industry has not shown sufficient interest in non--asbestos materials
to warrant accelerated R&D efforts by suppliers.
I * General list being compiled by VMD&P - additional input required
from PEO's for completion
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Vehicle Materials Development and Planning
August, 1979
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PRODUCED BY FORD
ATTACHMENT I
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Tc d t r c lc p a cn -a stestcs u u t e r i a l ccupor.enis to rta_nae these iters currently released vhich contain asbestos.
y-inufactur ins controls . ,, - :- -- - -
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necessitated
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::r auatralic trarsrisoiors. the initial devclapuent
ri'ara to evaluate nor.-aoiestos iritttar. m e r u i t
ir beir.3 car.iutted vita the Co aransrissltr.: initial
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