157.
TABLE XVI.
B. coli test (typical B. coli).
Filtered Waters (including unfiltered water from Kent, Eastern and New River Districts).
All London Waters.
%%
1910 Month
- 100 c.c.
+ 100 c.c.
+ 10 c.c.
+1 c.c.
+1 c.c.
+ '01 c.c.
Averages for
year 1909...
79.1
15.3
4.4
0.9
0:08
0:03
January 1910...
79.2
17-3
3:0
0'5
February
75.9
21.0
2.6
0-3
0.1
March
91-7
7.6
0-6
April
93.5
5-4
0-9
0.0
6.15
May
90.1
7.6
2.0
0.3
June
82.5
15.1
2.2
!
July....
80.6
15.3
3.4
0.6
August
79.6
16.6
3.0
0.6
0-2
September
78-9
16.1
4.6
0.2
0.2
October
88.5
9.4
1.8
0.1
November
73.7
19.1
6'5
0.6
December
63.8
26 6
7.9
1.2
0.4
Averages for
year 1910...
81.7
14.6
3.2
0.4
0.08