Smoking and Tobacco Control Monograph No. 7 
Figure 6 
Effect of cigarette weight/packing density on particulate matter 
O 
t2 
0 ) 
(0 
o 
o 
+ 
ra 
O) 
E 
o> 
C 
0 ) 
k_ 
0 ) 
C7) 
o 
c 
O 
O 
z 
C7) 
E 
Key: TPM = total particulate matter. 
Source: DeBardeleben et al., 1978. 
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