57
SAMPLE V.—TAP IN FRONT OF COLLECTOR'S OFFICE—BUDA-
VARAMPET.
Total colonies per cc. on agar at 37° C.—260.
Nu mb e r . L a c t o s e . S a c c h a r o s e . Du l c i t e . Ad 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 ndol .
Mo t i l i t y .
G r o u p .
Name of Bacilli.
Group and
Remarks.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
...
. . .
. . . . . . 1
. . . 1
+ + + - - - + + III B. 71
. . .
. . . Group I ,
n i l .
2 tubes of 10 cc.
... ...
. . . . . . 2
. . . 2 + + + - - - + + III Do.
. . .
. . . ,, I I ,ni l .
3
,,
5 cc. ...
... ...
...
2
1
3 + + + - - - + + III Do.
. . .
. . . ,,
I I , 5 .
3
,,
1 c c .
. . .
. . .
. . . . . . 3
. . . 4 + + + - - - + + III Do.
. . .
. . .
,, IV, 5.
3
,,
. 1 c c .
. . .
. . .
. . . . . .
. . .
3
5 +
+
- - - - + + IV B. 106.
3 „ . 0 1 c c .
...
. . .
. . . . . . ...
3
6 + + - - - - + +
I V Do.
7 + + - - - - ++ + IV Do.
Fœcal bacilli in 1 cc. and upwards.
8 + + + - - - + + III B. 71
...
. . . Class
I ,
n i l .
9 + + - - - - + + IV B. 106
. . .
. . .
„
I I , 1 0 .
No vibrios in 100 cc.
10 + + - - - - + + IV Do.
...
. . .
,,
I I I ,
n i l .
SAMPLE VI.—TAP IN BASTIAN ROAD TERMINUS—FOUNTAIN No. 12. 1
+ -
- - - - -
+ I B. 7 ... ... ... Group I, 10.
2 + - - - - - - + I Do. ... ... ... , , II, nil.
3 + - - - - - - + I Do. ... ...
... „ III, nil.
Total colonies per cc. on agar at 37° C.—160.
+
-
4 + - - - - - - + I Do. ...
...
... „ IV,n i l .
5 + - - - - - - + I Do.
Bile salt lactose, medium.
6 + - - - - - - + I Do.
7 + - - - - - - + I Do.
1 tube of 20 cc.
. . .
. . .
. . . . . .
1 . . .
8 + - - - - - - + I Do. ... ... ... Class I, ni l .
2 tubes of 10 cc.
. . .
. . . . . .
. . .
2
. . .
9 + - - - - - - + I Do. ...
. . .
. . . , , II, n i l .
3
, ,
5 c c .
. . .
. . . . . .
. . . 3
. . . 10 + - - - - - - + I Do. ...
. . .
. . . „ III, n i l .
3 „
1 cc.
. . .
. . . . . .
. . . 2
1
3 „
. 1 c c .
. . .
. . . . . .
. . .
1
2
3 „
. 0 1 c c .
...
. . .
. . . ... ...
3
Fœcal bacilli in 1 cc. and upwards.
No vibrios in 100 cc.
REPORT.
The canal being full, the water is rich in bacterial flora at this time of the year. The high total co
u < i l l e g i b l e > a n d t h e p r e s e n c e o f l a c t o s e f e r m e n t e r s i n a t e n t h o f a c c . p o i n t t o a g r o s s s t a t e o f p o l l u t i o n . P r a c t i c a l l y
t h e s a m e s t a t e , i f n o t a w o r s e o n e , i s s h o w n i n t h e w a t e r o f t h e S o u t h e r n S e t t l i n g T a n k . I t c o n t a i n s o r g a n i s m s o f
a most objectionable nature. Probably the water is not allowed to remain sufficiently long in the tank it
order to settle and thus purify itself.
Samples from the Northern Settling Tank and Distributary System are more satisfactory.
Chemically all the samples show marked improvement over the previous quarter.
Chemical Analyses.
SAMPLE I.
SAMPLE II.
Physical appearances.
Colour and
Transparency.
White and
opaque.
White and
opaque.
Smell.
None.
None.
QUANTITATIVE.
Total solids ...
. . .
. . .
. . .
. . .
...
... Parts per 100,000 ...
41.000
12.600
Temporary hardness
. . .
. . . ...
. . .
. . .
Do.
...
3.500
3.500
Permanent hardness ...
. . .
. . .
. . .
...
. . .
Do.
...
2.500
2.500
Total hardness
...
. . .
. . .
...
. . . ...
Do.
...
6.000
6.000
Chlorine
... ... ...
. . . ... ... ...
Do.
...
1 . 0 6 5
1.065
Ammoniacal nitrogen
. . .
. . .
. . .
...
...
Do.
. . .
Trace.
Trace.
Albuminoid nitrogen
. . .
. . .
. . .
. . .
. . .
Do.
...
0.020
0.012
Oxygen absorbed (Tidy's Process) ...
. . .
. . .
. . .
Do.
...
0.176
0.048
Nitric nitrogen
. . .
. . .
. . .
. . . ...
. . .
Do.
...
Nil.
Nil.
QUALITATIVE.
Nitrites
...
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
Nil.
Nil.
Sulphates ...
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
Present.
Present.
Phosphates ...
. . .
. . .
. . .
. . . . . .
. . .
. . .
. . .
. . .
. . .
Nil.
Nil.
Iron, poisonous metals ...
. . .
. . .
. . . . . .
. . . . . .
. . .
. . . Nil, nil.
Nil, nil.