86 
THE FILTERED RIVER WATER FROM TAPS— Continued. 
Table showing fermentation in lactose broth of samples taken from hydrant in southwest 
Washington. 
JULY, 1908. 
Day of month. 
Fermentation in lactose broth. 
0.1c. c. 
1 c. c. 
10 c. c. 
1 
1 
( 
1 
t 
I 
i 
1 
1 
1 
1 1 
1 
1 
1 
1 
1 
! 
! 
1 
i 
1 
1 
1 
; i 
i 
- 
+ 
1 . 
- 
- 
1 
- 
- 
