Circular 23 - Reference Index 
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Precautions ( Cont. ' d ) 
exposure to carbon 
tetrachloride 
2-16; 22-12. 
fumigation. . . .22-22. 
bedbugs. 10-5. 
calcium cyanide 
....22-35. 
cockroaches. .11-8. 
fabric insects 
3-11. 
hydrocyanic acid 
gas 3-H; 9 
-U,15;10-5;ll-8; 
13-7;22-15,38 ; 39. 
methyl bromide 
13-7, 
8;21-51;22-18,39. 
naphthalene 
21-54; 22-18. 
paradichlorobenzene 
21-59; 22-19. 
under tarpaulins 
r . 22-48. 
use gas masks 
• ••• 22-3,4* 
use trained ex- 
perienced per- 
sonnel 4-6; 22-3. 
generating hydro- 
cyanic acid gas 
22-28,30. 
handling 
benzene 
...18-10,11; 21-9. 
carbolic acid 
21-13. 
carbon disulfide 
9-14j21-15;22-ll. 
caustic soda 
21-16. 
chemicals for 
powder-post 
beetle control 
6-10. 
chloroform. .21-18. 
chloropicrin 
9-14: 22-13,39. 
creosote oil 21-23. 
cyanide (all forms) 
21-39. 
ethylene dichloride 
21-29; 22-14. 
formalin 21-34. 
fumigants 22-3. 
hydrocyanic acid 
discoids 
21-38;22-31, 33,34. 
insecticides 
mercuric chloride 
21-49. 
methyl bromide.. 1 3- 
7,8;21-51;22-18,39. 
nicotine sulfate 
21-55. 
orthodichloroben- 
zene. 21-57. 
Paris green. .21-59. 
pentachlorophenol 
21-60. 
nhosphorus paste 
'. 11-10; 21-63. 
sodium arsenite 
............ • <C X — U7» 
sulfuric acid 
21-75. 
sulfur dust 
14-7; 21-74. 
tartar emetic 
21-77. 
thallium sulfate 
21-79. 
inflammable materials 
fuel oil.. ...21-35. 
gasoline 21-36. 
lubricating oil 
..21-47. 
petroleum. . . .21-62. 
turpentine. . .21-80. 
internal use of carbon 
disulfide 16-12. 
