Circular 21 - Insecticides and Subsidiary Materials 36 
Gardinol W. A. is a proprietary product 
knovvn chemically as sodium sulfate of oleyl 
alcohol. It conies prepared in the form of 
paste and flakes. 
For manufacturers and distributors see 
numbers 37 and 92 of list at end of this 
circular. 
G-A.S0LIN3 
This li.-\uid has a very limited use for 
killing; insects. Torches made of ^^asoline- 
soaked burlap or other fabric are sometimes 
used to destroy pests such as ticks in fire- 
proof buildin^;s. 
Gasoline is a vol:itile, lov.-boilin^^ 
fraction of crude oil and is so well knovvn 
as to require no further description. Certain 
other substances such as tetraethyl lead may 
be added in the refining; process to improve 
its efficiency as a motor fuel. Pure gasoline 
is colorless but most of the commercial brands 
are tinted different colors. 
Caution ; Gasoline is inflaiimiable and, 
when mixed v/ith air in certain proportions, 
it is explosive. 
Available on contract: see Class 14, 
General Schedule of Supplies, Procurement 
Division, Treasury Department. Also may be 
obtained from all local oil companies and^ 
distributors. 
