25
RAJAHMUNDRY CENTRAL JAIL.
WATER SAMPLES TAKEN—29TH NOVEMBER 1910.
Bacteriological Analyses.
SAMPLE I.—WATER FROM TAP WITH SERVICE RESERVOIR IN
BLocK No. 8
C o l o n y n u m b e r .
L a c t o s e
S a c c b 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
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 .
G r o u p .
Name of Bacilli.
Group and
Remarks.
Total colonies per cc. on agar at 37° C.—120.
Bile salt lactose, medium.
+
-
1 tube of 20 cc.
..
..
.. 1
. . 1 + + - + - + - - IV B. Lactis ærogenes Group I, nil.
2 tubes of 10 cc.
..
..
.. 2 .. 2 + + -
+ — + -
— IV
Do.
. .
" II, nil.
3
" 5
c c
. . .
. .
. . 3 .. 3 + + - + — + -
— IV
Do.
. . " III, nil.
3 "
1 c c .
. .
. .
. .
3
4 + + — + — + - - IV
D
o .
. .
" IV, 10.
3 "
- 1 c c .
. .
. .
. . 1
2 5 + + -
++
- + - - IV
Do.
. .
3
"
- 0 1 c c .
. .
.
.
. . . .
3 6 + + — + — + — — IV
D.
..
7 + + - -
+ - + - - IV
Do.
. .
F œ c a l b a c i l l i i n 1 c c . a n d u p w a r d s .
8 + + -
++
- + - - IV
Do.
.. Class I, nil.
9 + + - + — + -
— IV
Do
..
" II, 1 0 .
No vibrios in 100 cc.
10 + + - + - + - - IV
Do.
..
" III, nil.
SAMPLE II.—WELL WATER IN BLOCK NO. 8.
1 + + — + - + — — IV B. Lactis ærogenes .. Group I, nil.
Total colonies per cc. on agar at 37° C.—Countless.
2 +
++ - - — + — — IV B. 112
..
.. " II, nil.
.
3 + + — + — + — — IV B. Lactis ærogenes . .
" III, 1
4 + + - + - + — — IV
Do.
. .
" IV, 9.
Bile salt lactose, medium.
+
- 5 + + - + - + - - IV
Do.
. .
6 + + —- + —
+
— — III
Do.
. .
7 + + +
++ - + — — IV B. 67.
1 tube of 20 cc.
..
..
.. 1 ..
8 + + - + — + — — IV B. Lactis ærogenes .. Class I, nil.
2 tubes of 10 cc. . .
. .
. . 2 .. 9 + + - + - + - - I V
Do.
.. "
I I 9.
3 " 5 cc.
..
. .
. . 3 .. 10 + + — + — + - - IV
Do.
..
"
I I I nil
3 " 1 cc.
..
..
. .
3 ..
Undetermined.,
3 "
1 c c .
. .
..
2
1
1.
3 "
- 0 1 c c .
. .
. .
. . ..
3
Fœcal bacilli in -1cc. and upwards.
No vibrios in 100 cc.
REPORT.
There seems to be a slight tendency to improvement in this water, there being less nitric nitrogen
without a corresponding increase in the unoxidised nitrogen. Bacteriologically the water of the well is much
as usual, that is, shows a high total count and ten fœcal germs, mostly of the more resistant varieties to
the cc. Storage in the service reservoir has brought about a marked improvement. The fœcal germs have
been markedly reduced in number and the varieties represented are fewer.
Chemical Analyses.
SAMPLE II, WELL
WATER IN BLOCK No. 8.
SAMPLE I, WATER
FROM I AP WITH
SERVICE RESERVOIR IN
BLOCK No. 8.
Physical appearances.
Colour a nd Transparency.
Colourless and clear. Colourless and clear.
Smell.
None.
None.
QUANTITATIVE.
Total solids
.. .. .. ..
Parts per 100,000 ..
37.400
37 000
Temporary hardness .. .
.
..
Do.
..
15 500
14.500
Permanent hardness
..
..
..
Do.
. .
5.500
5 500
Total hardness .. .. .. ..
Do.
..
21.000
20.000
Chlorine
..
..
..
. .
D o .
. .
2.840
2 840
Ammoniacal nitrogen .. .. ..
Do.
..
0 . 0 0 2
0 . 0 0 3
Albuminoid nitrogen ..
..
..
Do.
..
0.002
0 002
Oxygen absorbed (Tady's Process) ..
..
Do
.
. .
0.012
0.012
Nitric nitrogen ..
..
..
. .
Do.
. .
0.525
0 550
QUALITATIVE.
Nitrites
.. .. ..
.. ..
..
..
Nil.
Nil.
Sulphates
..
..
..
..
..
.
.
..
Present.
Present.
Phosphates
.. .. .. .. .. .. ..
N i l .
Nit.
Iron, poisonous metals .. .. ..
.. ..
..
Nil, nil.
N i l , n i l .