43 (c)
ADŌ NI.
WATER SAMPLES TAKEN—26TH JULY 1911.
REMARKS.—The tank now contains about 19 feet of water. There has been about 8.05 inches of rain since last analysis. The
supply is intermittent.
Bacteriological Analyses.
SAMPLE I.—FROM THE SPRING.
N u m b e r .
L a c t o s e . s a c c h a r o s e .
D u l c i t e . A d o n i t e . I n u l i n e .
V o g e s a n d P r o s k .
I n d o l . M o t i l i t y . Gr o u p .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—890.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
...
...
1
. . .
1
+ + - + - + - - IV B. Lactis ærogenes... Group I, nil .
2 + + -. +
- - - - IV B. Gasoformans
„ I I ,
n i l
.
2 tubes of 10 cc.
... ...
2
. . .
3 + + - +
- - - - IV
Do.
„ I I I ,
n i l
.
3 „ 5 cc.
...
...
...
...
3
...
4 + + - + - - - - IV
Do.
„ I V , 1 0 .
3
„ 1 cc.
...
...
...
...
3
...
5
+ + - + - - - - IV
Do.
3 „ .1 cc.
...
...
...
...
2
1 6
+ + - + - - - - IV
Do.
3 „ .01 cc.
...
...
...
...
. . .
3 7
+ + - + - - - - IV
Do.
8
+ + - + - - - - IV
Do.
... Class I, nil.
Fœcal bacilli in .1 cc. and upwards.
9 + + - + - - - - IV
Do.
... „ II, 10.
No vibrios in 100 cc.
10 + + - + - + -
- IV B. Lactis ærogenes...
„ III, nil .
SAMPLE II.—FROM THE TANK.
1 + + + + - + - - III B. 67
...
... Group I, nil .
Total colonies per cc. on agar at 37° C.—1,200.
2 + + - + - - - - IV B. Gasoformans ...
„ II, nil .
3 + + - + - - - - IV
Do.
...
„ III, 1.
4 + + - -
- - - - IV B. 111
„ I V , 9 .
Bile salt lactose, medium.
+
-
5
+ + - -
- - - - IV
Do.
6 + + - -
- - - - IV
Do.
7 + + - -
- - - - IV
Do.
1 tube of 20 cc.
1
. . .
8 + + - + - - - - IV B. Gasoformans ... Class I, nil.
2 tubes of 10 cc.
2
. . .
9 + + - + - + - - IV B. Lactis ærogenes...
„ II, 6.
3 „ 5 cc.
...
..
...
. . .
3
. . .
10 + + - + - - - - IV B. Gasoformans ...
„ III, nil.
3 „ 1 cc.
...
...
...
...
3
...
3 „ .1 cc.
...
...
...
. . .
1
2
Undetermined, 4 .
3 „ .01 cc.
...
...
...
. . .
. . . 3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE III.—FROM FIRST TAP AFTER HEADWORKS.
1 + + - + - - - - IV B. Gasoformans.
Total colonies per cc. on agar at 37° C.—10,400.
2 + + + + - + - + III
?
... Group I, nil .
3 + + + + - + - + III
?
...
„ II, nil.
Bile salt lactose, medium.
+
-
4
+ + + + - + - + III
?
...
„ III, 8.
5 + + + + - + - + III
?
„ IV, 2.
6 + + + + - + - + III
?
1 tube of 20 cc.
1
. . .
7 + + - + - - - - IV B. Gasoformans.
2 tubes of 10 cc.
2
. . .
8 + + + + - + - +
I I I
?
... Class I, nil .
3 „ 5 cc.
3
. . .
9 + + + + - + - + III
?
...
„ II, 2.
3 „ 1 cc.
3
. . .
10 + + + + - + - + III
?
...
„ III, nil
..
3 „ . 1 c c .
. . .
3
3 „ .01 cc.
...
...
...
...
...
3
Undetermined, 8
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
SAMPLE IV.—FROM A TAP IN FRONT OF MUNICIPAL HOSPITAL.
1
+
-
- - - -
+ +
I B. Grunthal.
Total colonies per co. on agar at 37° C.-14,700.
2
+ -
- - - - + +
I
Do.
... Group I, 6.
3 +
+ - - - - + + IV B. 106
„ I I ,
n i l .
4 + + - - - - + + IV Do.
..
...
„ III, nil.
Bile salt lactose, medium.
+
-
5 + + - - - - + + IV Do.
...
...
„ IV, 4.
6
+ -
- - - - + +
I B. Grnnthal.
7
+ -
- - - - + +
I
Do.
1 tube of 20 cc.
...
...
...
1
. . .
8 + + - - - - + + IV B.106
...
... Class I, nil.
9
+ -
- - - - + + I B. Grunthal
„ I I , 4 .
2 tubes of 10 cc.
1
1
10
+ -
- - - - + + I
Do.
„ I I I , 6 .
3 „ 5 cc.
...
...
...
1
2
3 „ 1 cc.
...
1
2
3 „ .1 cc.
...
...
...
...
. . .
3
3 „ .01 cc.
...
...
...
...
. . .
3
Fœcal bacilli in 10 cc. and upwards.
No vibrios in 100 cc.