8 BULLETIN 369, U. S. DEPARTMENT OF AGRICULTURE. 
Table III. — Results of the bacteriological examination of water collected from spring No. 3. 
Description of sample. 
Colonies of organisms per cc de- 
veloping after — 
Smallest quantity in which 
were found— 
2 days' in- 
cubation 
on nutrient 
agar at 
37° C. 
4 days' incubation on 
nutrient gelatin at 
20° C. 
Total 
count. 
Liquefi- 
ers. 
B. coli. 
At time j 2 days 
of collec- ! after coi- 
tion, lection. 
Molds. 
•'Clean'' bottle rinsed with 100 cc ster- 
ile water 2, 700 
"Dirty " bottle rinsed with 100 cc ster- 
ile water 37, 000 
Water used for washing and rinsing 
bottles l, 000 
Do 1,700 
Water from bottling spring 14 
Do 8 
Water from receiving tank from spring . 330 
Do 110 
Water from feeding tank for bottling. . 170 
6 bottles collected before inspection; 
average results 10. 100 
3,700 
40,000 
2,100 
1,500 
4 
3 
290 
170 
3,100 
33, 500 
3,300 
30 
40 


190 
60 

313 
cc. 
1.0 
.01 
.1 
.1 
G) 
C 1 ) 
10.0 
10.0 
1.0 
*.01 
cc. 
1.0 
cc. 
.01 
.1 
.1 
G) 
G) 
10.0 

10.0 
5.0 
1 No B. coli were present in 10 cc quantities. 
2 This determination was made at the time the sample was received at the laboratory. 
