Document pD8B05j3My5LGx531o2RoMpd
Monsanto
TAOV (NAME LOCATION PtfONtl J. J. Murph9ept~of Medicine& Environmental Health A2SC
(4-2746)
November 3, 1980
KIFIAINCf TO
Transite Asbestos Exposure J. E. Fox, 1890
" C. Buckley - 1740 P. Easterday - 1740 J. .Edwards - .1200 D. Fames - 1850 J. Fox - 1890 C. Harada - 1090 R. Martin - 1220 J. Williams - 1200 J. Wolfsberger - 1760 B. W. Eley - A2SG H. M. Keating - G4WA DMEH Central File
Per your request, attached is a MSDS on Transite manufactured by Johns-Manville and a booklet on "Recommended Work Practices for Field Fabriaction of Asbestos Cement Sheet".
As indicated on the MSDS, this specific Transite material contains from 35-40% Chrysotile Asbestos Fiber by weight. The Director of Johns-Manville's industrial hygiene section indicated they have done quite a bit of sampling during the fabrication of their product (cutting, drilling, sanding, etc.) to determine what were the normal ranges of personnel exposures. He indicated the following were "ball park" personnel exposures for the various tasks:
Transite Fabrication with No Wetting and No Ventilation
Job Task
Normal Range of Exposures
1. Skil Power sawing with masonry blade
10-15 fibers/cc
2. Drilling horizontally (produces chips rather than dust)
<2 fibers/cc
3. Filing of a cut edge By hand w/coarse file With power sander
<2 fibers/cc 10-15 fibers/cc
I would recommend that you write to the Asbestos Information Association and purchase additional booklets to provide the appropriate maintenance, CED and contractors who would be field fabricating Transite.
If you have any questions, call.
0
James J. Murphy
JJM:sml
Enclosure: MSDS on Transite Copy of booklet on Asbestos-Cement Sheet
IN-10M IREV 2/78)
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This procedure does not require dust collection equipment for compliance with present exposure limits.
It is recognized that equipment suppliers other than those listed above may beavailable. Mention of any company is not to beconsidered an endorsement by AIA/NA.
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KOttAl MOISTI, VOl. 3*. NO. 125--THUtSDAY, JUNI 17, 1*74
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U.S. DEPARTMENT OF LABOR Occupational Safety and Health Administration
IAJU
Form Approved OMB No. 44-R 1387
MATERIAL SAFETY DATA SHEET
SECTION 1
MANUFACTURER'S NAME
EMERGENCY TELEPHONE NO.
Johns-Manville Corp. Subsidiaries
address (Number. Street, City. State, and ZIP Code) _
Xen-Caryl Ranch, Denver, Colorado 80217
503/979-1000 Ext. 3119
CHEMICAL NAME AND SYNONYMS
Asbestos-Cement Board
CHEMICAL FAMILY
TRADE NAME ANO SYNONYMS
TRANSITE
FORMULA
r'-'V
SECTION II - HAZARDOUS INGREDIENTS
PAINTS. PRESERVATIVES. & SOLVENTS PIGMENTS
%
TLV
.. IMnittl
ALLOYS ANO METALLIC COATINGS BASE METAL.
TLV % lUnitt)
CATALYST
ALLOYS
VEHICLE SOLVENTS ADDITIVES
METALLIC COATINGS
filler metal
PLUS COATING OR CORE FLUX
OTHERS
OTHERS
HAZARDOUS MIXTURES OF OTHER LIQUIDS. SOLIDS. OR GASES
Chrysotile Asbestos Fiber
by weicht
aDnrox.
%
7T l^
TLV (Units)
*
Portland Cement *For TLV see attached copy of Federal Register of 6/7/72
65 mppcf
SECTION III - PHYSICAL DATA
BOILING POINT (F.)
SPECIFIC GRAVITY (HjO-l|
VAPOR PRESSURE (mm Hg.) VAPOR DENSITY (AIR=1) SOLUBILITY IN WATER
PERCENT. VOLATILE BY VOLUME (%)
EVAPORATION RATE
( ......................
*=1)
Negligil 'le
appearance and odor Solid Grey Sheet - No Odor
1.6
SECTION IV - FIRE AND EXPLOSION HAZARD DATA
FLASH POINT (Method used) EXTINGUISHING MEOIA
Non-flammable
HIFLAMMABLE LIMITS
Lei
SPECIAL FIRE FIGHTING PROCEDURES
UNUSUAL FIRE AND EXPLOSION HAZARDS
PAGE (1)
(Continued on reverse side)
Form OSHA-20 Rev. Miy It
C 003286 LAM022946
SECTION V HEALTH HAZARD DATA
mittLSMOU) LIMI I VAl.UI
See Section II
tr utis of ovkrexposurf *
'
Overexposure to excessive concentrations
of asbestos
fiber
>
_ may cause pulmonary disease.
FMLRGENCY ANO FIRST AID PROCEDURES
, .,
Avoid breathing excessive dust when cutting, drilling 5 sanding.
rs
STABILITY
unstable
STABLE INCOMPATABILITY fMalrritjIs to
SECTION VI - REACTIVITY DATA
CONDITIONS TO AVOID
X
HAZARDOUS DECOMPOSITION PRODUCTS
HAZARDOUS POLYMERIZATION
MAY OCCUR WILL NOT OCCUR
CONDITIONS TO AVOID
SECTION VII - SPILL OR LEAK PROCEDURES
STEPS TO BE "taken 7n CASE MATERIAL IS RELEASED OR SPILLED
'
-Vacuum.-Clean loose dust and chips. If sweeping is necessary,
dust suppressant.
use
WASTE DISPOSAL f/t I "OU
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Follow requitements of 40 CFR Chapter 1, Part 61
SECTION VIII - SPECIAL PROTECTION INFORMATION
respiratory protection iSprnh tvnr)
.
.
.
NIOSH approved for protection against pneumoconiosis-producing dusts
ventilation
local exmaust ^ntY^_3u5t--generaTe'3 SAEeiAt* by fabricating operations to with n TLV by use of mcchanital
MECHANICAL (Gcwrol)
e-mcn exhaust ventilatior systems.
PROTECTIVE GLOVES OTHER PROTECTIVE EQUIPMENT
EYE PROTECTION
Recommended during fabricating
operations.
SECTION IX - SPECIAL PRECAUTIONS
I'ltrCrtUTPONS to 111 TAKEN IN HANDLING AND STORINQ
Maintain good housekeeping practices.
cleaning.
Vacuum or wet down waste when
OTHER PRECAUTIONS
While the information and recommendations set forth herein
page izi are believed to be accurate as of the date hereof.
Form osha-20
orn ,w.5<oJOHNS_MANVILLn C0RP0RATI0N MAKES NO WARRANTY WITH RESIpPC'f,v 12
THERETO AND DISCLAIMS ALL LIABILITY FROM RELIANCE THEREON.
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11320
RULES AND REGULATIONS
1910.93 Air contaminants.
9
T4u 04-Mwmi Dusts
FobsUnc*
Uppef M|/M>
Fllk-o: Crystalline:
quart* ircsplrabU*). QieirtcdotiililVt)
2901
ttSlOrf* ................
CrtsUilalltr: U*HU* value csIeulsMil from the euaut or mass formulae fur iiuarts.
Tri'lymttc DH thevalue nUculai*d from the for* mulae (oroavtii
AuHtqihfin*, (nchttUng natural
tlbiomacvom earth................
20
i!tati Ossltait 1% erys*
taUlti*' silica);
Mica......................................... =WllUiHW.. ............... Talc...........................................
20 20 20
1`orslaml cement........... *.. firapltit* inatural).................. <W diut (repairable fractlou
fiu 19
)<** tlian SIOj)............................................
Yvr more than 6C< SIO*.....................
Iin rt or SnUincf Du.<t: U-|iirulilc fraction.... Tolu! dust..,..........
IS i
SlO+2 OOmg/M*
?iS10i+2
Sflmp.W asm*
2.4HIK.''M* or
lOtiutM1
?;siu.-+2
Stne'M1 ISmfcM*
S'* nr. Conversion factors-*n i i^lXiVS-mllliou partlcto per cubic uht.*r
particles per c.e. t MiNimis of partidm per cuUc fur.: of air.
on
Impmuer snntpli*cniltttftl by Hpht*fi-`id technics.
1 Tli** peuvntuce of crystalline silica in the fornnln
t tin* amount determined from air-horne samples,
except In those Iwiaum In which other iucUio^Ln havo
b*tti shown to he npplkwble.
As (M'Tmiitn) hy the membrane filter uuiluxl at
43?* X phase contrast maimificatiun.
u. it.xlt concentration atnl percent qiurir for the
apphcuttuii of this liuiit arv to be iMermhnil fnin lit*- (ruction paistiiu a sin-sdivlur with ibr foiiouin^
rlinruv-Piistlcs:
A'-ro'lyimtnlc diameter lunil density iqiliere)
> 2.9 3. ft 6.0 1U
Percent ius>ii selector
00 75 fto lift 0
'l [* nit-.ucnrftiiHtls under this nolo refer to the use of n:i AKC Instrument. If the respirable fraction of coai <hit t.- d' h nnlneil with a MKK the rUrtireconvsiton'htit: t. that f 2.4 M&M1 in the table fur coal dual is 4.6 Mf. M*.
2. A new { 1910.93a Is added to Part 1910. reading as follows:
$ 1910.93a A*beslos.
(a) Definitions. For the purpose of tills section. il> "Asbestos" Includes chrysotllc. amoslte. crocidolite. tremolite. anthophylllte, and actinolite.
12> "Asbestos fibers" means asbestos fibers longer than S micrometers.
ib) Permissible exposure fo airborne concentrations of asbestos fibers--(1) Standard effective July 7, 1972. The 8-hour time-weighted average airborne concentrations of asbestos fibers to which any employee may be exposed shall not exceed five fibers, longer than 5 micrometers, per cubic centimeter of air. as determined by the method pre scribed in paragraph (e) of this section.
>2> Standard effective July 1, 1976. The 8-hour time-weighted average air borne concentrations of asbestos fibers
tp which any employee may be exposed shall not exceed two fibers, longer than S micrometers, per cubic centimeter of air, as determined by the method pre
scribed in paragraph <e> of this section. (3) Ceiling concentration. No em
ployee shall be exposed at any time to airborne concentrations of asbestos fibers in excess of 10 fibers, longer than
S micrometers, per cubic centimeter of air, as determined by the method pre scribed in paragraph (e> of this section.
<c) Methods of compliance--(1) En gineering methods, (i) Engineering con trols. Engineering controls, such as, but not limited to, isolation, enclosure, ex
haust ventilation, and dust collection, shall be used to meet the exposure limits prescribed in paragraph (b) of this section.
(li) Local exhaust ventilation. (a>
Local exhaust ventilation and dust col lection systems shall be designed, con structed. Installed, and maintained in accordance with the American National
Standard Fundamentals Governing the Design and Operation of-Local Exhaust Systems. ANSI Z9.2-1971, which is In
corporated by reference herein.
<b> See 11910.6 concerning the avail ability of ANSI Z9.2-1971, and the
maintenance of a historic file in connec tion therewith. The address of the Amer ican National Standards Institute is
given in 5 1910.100.
(iii) Particular tools. All hand-op
erated and power-operated tools which may produce or release asbestos fibers in excess of the exposure limits pre scribed in paragraph ib) of this section, such as. but not limited to. saws, scorers, abrasive wheels, and drills, shall be pro vided with local exhaust ventilation sys tems in accordance with subdivision <ii> of this subparagraph.
(2) Work practices--<i> Wet methods. Insofar as practicable, asbestos shall be
handled, mixed, applied, removed, cut, scored, or otherwise worked in a wet state sufficient to prevent the emission
of airborne fibers in excess of the ex posure limits prescribed in paragraph (b> of this section, unless the usefulness
of the product would be diminished thereby.
(ii) Particular products and opera
tions. So asbestos cement, mortar, coat ing. grout, plaster, or similar material containing asbestos shall be removed from bags, cartons, or other containers in which they are shipped, without being either wetted, or enclosed, or ventilated
so as to prevent effectively the release of airborne asbestos fibers in excess of the
limits prescribed in paragraph <b> of this section.
<iii> Spraying, demolition, or removal. Employees engaged in the spraying of asbestos, the removal, or demolition of
pipes, structures, or equipment covered or insulated with asbestos, and In the
removal or demolition of asbestos In
sulation or coverings shall be provided with respiratory equipment in accord ance with paragraph (d)(2) (iii) of this
section and with special clothing in ac cordance with paragraph (d) (3) of this section.
(d) Personal protective equipment-- (1) Compliance with the exposure limits prescribed by paragraph (b) of this sec tion may not be achieved by the use of respirators or shift rotation of em ployees, except:
(1) During the time period necessary to install the engineering controls and to Institute the work practices required by paragraph (c) of this section;
(if) In work situations in which the methods prescribed In paragraph (c) of this section are either technically not feasible or feasible to an extent insuffi cient to reduce the airborne concentra tions or asbestos fibers below the limits prescribed by paragraph (b) of this section; or
(ill) In emergencies.
(iv) Where both respirators and per sonnel rotation are allowed by subdivi sions (i). till, or dll) of this subpara graph. and both are practicable, person nel rotation shall be preferred and used.
< 2) Where a respirator is permitted by subparagraph fl> of this paragraph, it shall be selected from among those ap proved by the Bureau of Mines, Depart ment of the Interior, or the National In stitute for Occunntional Safety and Health. Department of Health, Educa tion. and Welfare. undr the provisions of 30 CFR Part 11 (37 Pit. 6244. Mar. 25, 1972). and shall be used in accordance with subdivisions (i'. (li), (iii), and (iv) of this subparagraph.
<i> Air purifying resp'rators. A reusa ble or single u*e air purifying respirator, or a respirator described in subdivision (ii) or (iii) of this subparagraph, shall be used to reduce the concentrations of airborne asbestos fibers in the respirator below the exposure limits prescribed in paragraph (b) of this section, when the ceiling or the 8-hour time-weighted aver age airborne concentrations of asbestos fibers are reasonably expected to exceed no more than 10 times those limits.
(ii) Powered air purifying respirators. A full facepiece powered air purifying respirator, or a powered air purifying respirator, or a respirator described in subdivision (iii) of this subparagraph, shall be used to reduce the concentra tions of airborne asbestos fibers in the respirator below the exposure limits pre scribed in paragraph (b) of this section, when tlie ceiling or the 8-hour timeweighted average concentrations of asbestos fibers are reasonably expected to exceed 10 times, but not 100 times, those limits.
(iii) Type "C" supplied-air respirators, continuous flow or pressure-demand class. A type "C" continuous flow or pres sure-demand. supplied-air respirator shall be used to reduce the concentra tions of airborne asbestos fibers in the respirator below the exposure limits pre scribed in paragraph (b) of this section, when the celling or' the 8-hour timeweighted average airborne concentra tions of asbestos fibers are reasonably
expected to exceed 100 times those limits.
(Iv) Establishment of c respirator pro
gram. (a) The employer shall establish
a respirator program in accordance with
FEDERAL REGISTER, VOl. 37, NO. 110--WEDNESDAY, JUNE 7, 1972
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