34
VIZAGAPATAM.
WATER SAMPLES TAKEN
—24TH & 25TH JUNE 1911.
REMARKS.—The level of water in tank is about 11.45 feet. The town supply is constant. There has been about 4.53 inches
of rain since last analysis.
Bacteriological Analyses .
SAMPLE I.—TANK OR RESERVOIR.
N u m b e r .
L a c t o s e .
S a c c h a r o s e .
Dul c i t e . Adoni t e . I n u l i n e .
V o g e s a n d P r o s k .
Indol.
M o t i l i t y .
Group.
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37°C.—1,020.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
...
...
...
1
...
1 + +
- -
- - + + IV B. 106
...
... Group I, n i l .
2 tubes of 10 cc.
...
...
...
. . .
2
...
3 „ 5 cc.
...
..
...
. . .
3
. . .
2 + + - - - - + + IV
Do.
...
...
II, ni l .
3 + + - - - - + + IV
Do.
...
...
„ III, ni l .
3 „ 1 cc.
...
...
...
...
1
2
3 „ .1 cc.
...
...
...
...
. . .
3
4 + + - - - - + + IV
Do. ... ...
„ IV, 10.
3 „ .01 cc.
...
...
...
...
. . .
3
5 + + - - - - + + IV
Do.
6 +
+ - -
- - + + IV
Do.
Fœcal bacilli in 5 cc. and upwards.
7 + + - - - - + - IV B. Coscoroba.
8 + + - - - - + - IV
Do.
Class I, n i l .
9 + + - - - - + - IV
Do.
„ II, 10.
No vibrios in 100 cc.
10 + + - - - - +
- IV
Do. ...
„ III, nil.
SAMPLE II.—FIRST TAP AFTER FILTRATION.
1 + +
- +
- + - - IV B. Lactis œrogenes... Group I, nil.
2 + +
- + - + - - IV
Do.
...
„ II, ni l .
Total colonies per cc. on agar at 37° 0.—100.
3
+ +
- +
- + - - IV
Do.
...
„ III, 1.
4 + +
- + - + - - IV
Do.
...
„ IV,9.
5 +
+ - + - + - - IV
Do.
Bile salt lactose, medium.
+
-
6 + + + + - + - - III B. 67.
7 + + - + - + - - IV B. Lactis ærogenes.
1 tube of 20 cc.
,..
...
...
. . .
. . .
1
8 + + - + - +
- - IV
Do.
... Class I, n i l .
9 +
+ - + - + - - IV
Do.
II, 10.
2 tubes of 10 cc.
...
...
. . .
. . .
2
10 +
+ - + - +
- - IV
Do.
...
III, nil.
3 „ 5 cc.
...
...
...
. . .
1
2
3 „ 1 cc.
...
...
...
. . .
. . .
3
3 „ .1 cc.
...
...
...
...
1
2
3 „ .01 cc.
...
...
...
3
Fœcal bacilli present in 60 cc.
No vibrios in 100 cc.
SAMPLE III.—TAP NEAR BEACH.
1
+ +
- - -
- + - IV B. Coscoroba
Group I, 2.
2
+ + - - -
-
+ - IV
Do.
„ II,
nil.
Total colonies per cc. on agar at 37° C.—90
3
+ + - - - -
+ - IV
Do.
. . .
„ III nil.
4
+ + - - -
- + -
I V
Do.
...
„ IV 8.
5
+ +
- - -
- + -
I V
Do.
Bile salt lactose, medium.
+
- 6 + + - - -
- + + IV B. 106.
7 + + - - - - + - IV B. Coscoroba.
8 + + - - - - + - IV
Do.
... Class I, nil.
1 tube of 20 cc.
...
...
...
...
1
. . .
9
+ -
- - -
- + - I
B. Vesiculosus
...
„ II, 8.
2 tubes of 10 cc.
...
...
...
...
2
...
10 + - - - - - +
- I
Do.
„ III 2.
3 „ 5 cc.
...
...
...
3
...
3 „ 1 cc.
...
...
...
. . .
1
2
3 „ .1 cc.
...
...
...
...
...
3
3 „ .01 cc.
...
...
...
...
... 3
Fœcal bacilli in 5 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—TAP NEAR RAILWAY STATION.
1
+ -
-
- - - + -
I
B. Vesiculosus
... Group I,4.
2 + - - - - - + - I
Do.
„ I I .
n i l
.
Total colonies per co. on agar at 37° C.—210.
3
+ + - - - - + + IV B. 106 ...
„ I I I ,n
i l
.
4 + + - - - - + - IV B. Coscoroba
Bile salt lactose, medium.
+
-
5 + + - - - - + - IV
Do.
6
+ + - -
- - + - IV
Do.
7
+ - -
- - - + - I B. Vesiculosus.
8
+ - -
- - - + - I
Do.
... Class I, nil.
1 tube of 20 cc.
...
...
...
...
1
...
9 + + - - - - + - IV B. Coscoroba
...
„ II,6.
2 tubes of 10 cc.
...
...
...
...
2
. . .
10 + + - - - - + - IV
Do.
III, 4.
3„
5 cc.
2
1
3 „ 1 cc.
2
1
3 „ .1 cc.
1
2
3 „ .01 cc.
...
...
...
...
1
2
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.