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A zinphosmethyl 113
iv I'unc-
sufficient at ihis time to set an exposure stan
dustrial Materials, p. 440. New York:
.i-s may
dard (other than zero) which could assure
Rcinhold Book Corporation, 1975.
Ivspnea,
prevention of mesothelioma in all workers, 3. Joint ACGIH-A1HA Aerosol Hazards
since the disease may occur following a very
Evaluation Committee: Background doc
Irpcnils
limited exposure 20 to 30 years earlier.1
umentation on evaluation of occupation
ihe
Cigarette smoking is strongly implicated as
al exposure to airborne asbestos. Am.
I expo-
a cocarcinogen among asbestos workers.*
Ind. Hyg. Assoc. J.,36:91, 1975.
disease
The incidence of bronchogenic carcinoma 4. National Institute for Occupational
in nine
among nonsmoking asbestos workers is not
Safety and Health, U.S. Department of
iv as 13
significantly greater than that of nonasbestos
Health, Education and Welfare: Criteria
lly, Ihe
workers, while asbestos workers who smoke
for a Recommended Standard. Occupa
o io 40
have a much higher incidence* Calculations
tional Exposure to Asbestos, (HSM)
-.I'CSIOS.3
suggest that cigarette smoking asbestos
72-10267. Washington, D.C.: U.S. Gov
ttresses
workers have approximately eight times the
ernment Printing Office, 1972.
l;l In its
risk of developing lung cancer compared with 5. A.C.G.I.H.: Asbestos. Documentation
)> inability
other smokers.1
of the TLVs for Substances in Workroom
scon or y:itil|i blood
The TLV was established to protect against
Air. ed. 3, pp. 17-19. Cincinnati, 1976.
asbestosis and reduce to an acceptably low risk the development of neoplasms.5
Supplemental
thclio-
Diagnosis: Signs and symptoms include 6. Selikoff, I. J., Churg, J., and Hammond,
;j- nasally
localized pleural thickenings, which may be
E. C.: Asbestos exposure and neoplasia.
ii . tresses
come radiopaque through calcification; re
JAMA, 188:22, 1964.
jfi leclum
strictive pulmonary function; rales, dyspnea, 7. Selikoff, 1. J., Hammond, E. C., and.
asbes-
cyanosis, dry cough, and finger clubbing.
Churg, J.: Asbestos exposure, smoking
> n. 1967.
Differential. Diagnosis: Differentiate from
and neoplasia. JAMA,204:106,1968.
>, Mini ex-
other diseases which are associated with dif 8. Selikoff, 1. J., Hammond, E. C., and
>.ii.- male
fuse infiltration of the lungs: Hamman-Rich
Seidman, H.: Cancer risk of insulation
nvies--
syndrome, Lofller's syndrome, fungus infec
workers in the United States. Biological
i '<<). and
tions, sarcoidosis, scleroderma, and other
Effects of Asbestos, p. 209. Lyon: WHO
! .incem-
rare types of diffuse interstitial fibrosis.
International Agency for Research on
' ill.- cases
;
Differential diagnosis of pleural mesothcli-
Cancer. 1973.
i'..l King-
!
oma should include inflammatory pleurisy, 9. Wright, G. D.: Asbestos and health in
ipalion-
:
primary lung cancer, and the presence of met-
1969. Am. Rev. Rcspir. Dis., 700:467,
i with as-
;
astatic disease from a primary tumor else-
1969.
yllix were
j
where in the body.1*
10. Stumphius, J., and Meyers, P. B.: Asbes
>i limitation
Special Tests: Radiography, tuberculin skin .
tos bodies and mesothelioma. Ann. Oc-
M.mparcd
I
test, and sputum culture should be per-
cup. Hyg., 77:283, 1968.
number
V
formed.
11. Champion, P.: Two cases of malignant
I iMipula-
{
Treatment: None is specific.
mesothelioma after exposure to asbestos.
|
Medical Control: Preplacement and annual
Am. Rev. Respir. Dis., 703:821, 1971.
| physical examination, with emphasis on the 12. Legha, S. S., and Muggia, F. M.: Pleural
f pulmonary, cardiovascular, andgastrointes-
mesothelioma: clinical features and thera
i tinal systems; chest roentgenograms; lung peutic implications. Ann. Intern. Med., j function tests to include FVC and FEV (I 87:613, 1977.
l sec.); sputum cytology.
i
1 f References
AZINPHOSMETHYL
| Principal
(CH30)2P(S)SCH2(N3C,0)
I 1. Department of Labor: Occupational ex-
1977 TLV 0.2 mg/m5
j posure to asbestos. Federal Register,
40:47652,1975.
Synonyms: 0,0-Dimethyl S(4-oxo-l ,2,3
i 2. Sax, N. 1,: Dangerous Properties of In- -benzotriazin-3(4H)-ylmethyl) phosphoro-
I
~Pl r
GLEASON-000061