698 



BACTERIA IN AIR, SOIL, WATER, AND MILK 



I + 



03 



w 



I I 



03 O 

 02 03 

 O ~V 



c 



O 03 

 03 . 







o 



I I 



i-5 



o 

 o 



03 03 

 02 O2 



O O 



+ 



g So 



rrt O - 



02 PQ 



i d 



03 3 



..-s S 



3 S 



3 O 



p 



+ .2 



02 



+ + + I I + I 



O 



a 



& 



+'+ 



^ :< <^ M. M, U 

 + I + + 



03 

 02 

 O 



03 



pq 



+ + I I 



+ + I + 



o 



$ 



+ + + I 



c 



oS 



o 

 PH 



