pisno 



PRRTICLE SIZE DISTRIBUTION 

 MILLIMETERS 



IfNTUjRTH SCHJZ 



JRN " APR P JUL A OCT c 



FEB" mrn FUG X NOV< 



tH)C jyN* sepv DO;2 



/^ 



H.C 



3.50 3.00 



1 1 



2.50 2.C 

 I 



1.50 



1 



1 



J .90 .80 .TO .60 .5 



1 1 



.40 .35 .30 .2 



1 1 



5 .20 



1 



'.15 



1 



.10 .09 .OH .01 .OB 



1 1 1 







































































































































































































































































































































































































- 





.00 



50 



00 



.50 



.00 



50 



00 



50 



.00 



.50 



.00 ♦: 



.50 H 



.011 



E-18 



