GUINDY EXPERIMENTAL FILTERS,
APPENDIX VII, TABLE II.
Results of Chemical and Bacteriological Examination of samples of Adyar River water and of filtered water from two sand filters worked at rates of 12 and 16 inches vertical per hour.
Date of examina-
tion of samples.
Raw water.
Filter with tiles.
Filter without tiles.
R e m a r k s .
Bacteriological.
Phy-
sical
Chemical.
Bacteriological.
Phy-
sical.
Chemical.
Bacteriological.
Phy-
sical.
Chemical.
Parts per 100,000.
Lactose
L a c t o s e f e r m e n t e r s p r e s e n t i n h o w m a n y C . C s . ?
T o t a l C o l o n i e s p e r C . C . o n A g a r a t 3 7 º C .
Parts per 100,000.
L a c t o s e f e r m e n t e r s p r e s e n t i n h o w m a n y C . C s . ?
T o t a l C o l o n i e s p e r C . C . o n A g a r a t 3 7 º C .
C o l o u r a n d T r a n s - p a r e n c y .
L a c t o s e f e r m e n t e r s p r e s e n t i n h o w m a n y C . C s . ?
T o t a l C o l o n i e s p e r C . C . o n A g a r a t 3 7 º C .
C o l o u r a n d T r a n s - p a r e n c y .
Parts per 100,000.
C o l o u r a n d T r a n s - p a r e n c y . T o t a l s o l i d s .
F r e e A m m o - n i a .
A l b u m i n o i d A m m o n i a .
A b s o r b e d O x y g e n .
T o t a l S o l i d s .
F r e e A m m o - n i a .
A l b u m i n o i d A m m o n i a .
A b s o r b e d O x y g e n .
T o t a l S o l i d s .
F r e e A m m o - n i a .
A l d u m i n o i d A m m o n i a .
A b s o r b e d O x y g a n .
(12 inches vertical per hour. )
26th Dec. 1921.
0.1 C.C. 4,700 Y. H. 46.00
0.003
0.036
0.100
1 C C. 2,900
Y.C.
44.00
Trace.
0.020
0.070
1 C.C. 3,000
Y. C.
44.00
0.002
0.019
0.070
E x p e r i m e n t N o . 5 .
27th "
0.1 C.C. 3,803 Y. H. 45.00 0.002
0.037
0.200
1 C.C
680 S. Y.C.
44.00
0.002
0.017
0.136
5 C.C.
490 S.Y.C.
44.00
0.002
0.018
0.136
30th "
0.1 C.C.
2,700 Y. H. 42.00 0.002 0.029
0.149
20 C.C.
480 S.Y.C.
41.00
0.002
0.019
0.102
20 C.C.
520 S.Y.C.
40.00
0.002
0.018
0.102
4th Jan. 1922.
0.1 C.C. 2,500 Y. O. 45.00 0.002
0.031
0.219
60 C.C.
390 S.Y.C.
44.00
Trace.
0.016
0.143
20 C.C.
610
S . Y . C
44.00
0.002
0.019
0.162
7th "
0.1 C.C.
4,800 Y. O.
49.00 0.002
0.031
0.229
60 C.C.
420 S.Y.C.
46.00
Do.
0.017
0.152
20 C.C.
80 S.Y.C.
48.00
Trace.
0.020
0.171
11t h "
0.1 C.C. 3,900 W. O.
44.00 0.003
0.036
0.190
20 C.C.
510 S.Y.C.
41.40
0.003
0.018
0.143
20 C.C.
40 S.Y.C.
42.00
0.003
0.019
0.133
5th Dec. 1922.
0 . 1 C . C . 9,800 W. O.
26.80 0.003
0.016
0.168
5 C.C. 2,600
W. O.
19.00
0.002
0.008
0.116
5 C.C. 2,800
W. O.
21.00
Trace.
0.012
0.126
Ex p e r i me n t No . 6 .
7th "
0 . 1 C . C . 8,400 W. O.
28.00 0.004
0.018
0.174
5 C.C.
1,900
W. H.
20.00
Trace.
0 006
0.123
5 C.C.
2,400
W.H.
20.60
Do.
0.004
0.123
1 1 t h "
0.1 C.C.
4,700 W. O. 34.00 0.002
0.022
0.270
5 C.C. 1,700
W. H.
24.00
Do.
0.004
0.080
5 C.C. 2,100
W.H.
24.00
0.002
0.003
0.0<illgeble>0
14th "
0.1 C.C.
5.400 W. O.
34.00 0.002
0.022
0.120
20 C.C.
270 S.Y.C.
28.00
Do.
0.004
0.060
60 C.C.
120 S.Y C.
28.00
Trace.
0.004
0.060
18th "
0.01 C.C. 6,700 W. O.
37.00 0.002 0.020
0.205
60 C.C.
130 S.Y.C.
33.00
Do.
0.004
0.089
60 C.C.
180
Y. C.
33.00
0.002
0.003
0.078
21st Apr. 1923.
0.1 C.C.
3,700 Y. C. 44.00 0.002
0.034
0.224
5 C.C.
610 S.Y.C.
43.00
0.004
0.018
0.166
. . .
. . . . . .
. . .
. . .
. . .
. . .
Exper i ment No. 7.
24th "
0.1 C.C. 3,700 Y. C.
43.00 0.002
0.036
0.242
5 C.C.
590
Y.C.
41.40
0.004
0.024
0.167
. . .
. . .
. . .
. . .
. . .
. . .
. . .
27t h "
0.1 C.C. 2,100 Y. H. 45.00 0.002
0.036
0.260
20 C.C.
610
Y.C.
43.00
0.007
0.022
0.195
. . .
. . .
. . .
. . .
. . .
. . .
. . .
1st May 1223.
0.1 C.C. 1,800 Y. H. 46.00 0.005
0.038
0.248
60 C.C.
630
Y.C.
45.40
0.009
0.026
0.205
. . .
. . .
. . .
. . .
. . .
. . .
. . .
4th "
0.1 C.C. 4,200 Y. H. 41.00 0.003
0.030
0.174
20 C.C.
720 S. Y .C.
40.00
0.002
0.017
0.113
. . .
. . .
. . .
. . .
. . .
. . .
. . .
7th "
0.1 C.C. 4,100
W. O. 44.00 0.003
0.030
0.190
5 C.C.
860 S.Y.C.
42.00
0.002
0.016
0.114
. . .
. . . . . .
. . .
. . .
. . .
. . .
12th May 1923. 0.1 C.C. 3,800 S.Y.H. 42.00 Trace.
0.030
0.231
20 C.C.
260
Y.C.
42.00
0.002
0.016
0. 189
. . .
. . .
. . .
. . .
. . .
. . .
. . .
E x p e r i - m e n t N o . 8 .
17th "
0.01 C.C. 3,410 S.Y.O. 45.00 0.003
0.032
0.253
60 C.C.
250 S.Y.C.
44.00
0.002
0.016
0.169
. . .
. . .
. . .
. . .
. . .
. . .
. . .
22nd "
0.01 C.C. 3,120
Y. O. 46.00 0.002
0.040
0.308
20 C.C.
320 S.Y.C.
44.00
Trace.
0.022
0.153
. . .
. . .
. . .
. . .
. . .
. . .
. . .
26th "
0.01 C.C. 3,060
Y. O. 45.00 Trace.
0.032
0.287
20 C.C.
340
Y.C.
44.00
0.002
0.022
0.205
. . .
. . .
. . .
. . .
. . .
. . .
. . .
(16 inches vertical per hour. )
19th Jan. 1922.
0.01 C.C. 3,900 W.O. 42.00 0.002
0.031
0.171 1 C.C.
2 , 1 0 0
S.Y.C.
41.00
0.002 0.016
0.133
1 C.C. 2,300 S.Y.C.
42.00
0.002
0.019
0.143
E x p e r i m e n t N o . 9 .
23rd "
0.01 C.C. 3,100
Y. H. 44.00 Trace.
0.030
0.152
60 C.C.
470 S.Y.C.
41.00
0.002
0.013
0.105 -20 C.C.
520 S.Y.C.
42.00
Trace.
0.012
0.095
26th "
0.1 C.C. 3,000 Y. H. 44.00 0.002
0.028
0.171
60 C.C.
440 S.Y.C.
43.00
0.002
0.013
0.124 -20 C.C.
510 S.Y.C
43.60
0.002
0.015
0.124
30th "
0.1 C.C. 2,700
Y. H. 46.00 0.002
0.027
0.127 -60 C.C.
410
Y.C.
43.00
0.002
0.013
0.098 -60 C.C.
400
Y. C
43.60
0.002
0.016
0.098
2nd Feb. 1922.
0.1 C.C. 2,620 Y. H. 45.00 0.003
0.031
0.127 -60 C.C.
380
Y.C.
43.00
0.003
0.015
0.078 -60 C C.
490
Y. C.
43.00
0.004
0.015
0.068
6th "
0.1 C.C. 3,910 Y. C. 43.00 Trace.
0.027
0.124 -60 C.C.
360 S.Y.C.
42.00
6.002
0.015
0.<illegible>86 -60 C.C.
390 S Y C.
43.00
0.003
0.017
0.<illgeble>95
10th Feb. 1922.
0.1 C.C. 4,200
Y. C. 43.00 0 002
0.029
0.160
1 C.C. 2,800 S.Y.C.
42.00
Trace.
0.019
0.120
1 C.C.
2,700 S. Y.C.
42.60
0.002
0.017
0.120
Experi ment No. 10.
13th "
0.1 C.C. 3,800
Y. H. 42.00
0.002
0.029
0.164
5 C.C.
870 S.Y.C.
42.00
Do.
0.017
0.092
5 C.C.
900 S.Y.C.
42.00
0.002
0.015
0.103
16th "
0.1 C.C. 2,900
Y. H. 42.60 0.002
0.036
0.147
10 C.C.
490 S.Y.C.
41.00
Do.
0.013
0 074
10 C.C.
510 S.Y.C.
43.00
0.005
0.019
0.084
20th "
0.01 C.C. 3,100
Y. C. 41.00 0 002
0.031
0.171
20 C.C.
400 S.Y.C.
40.00
0.003
0.013
0.105
20 C.C.
440 S.Y.C.
40.00
0.004
0.018
0.114
23rd "
0.1 C.C. 2,800
Y. H. 41.0
0.004
0.027
0.146
60 C.C.
410 S.Y.C.
40.00
0.003
0.015
0 117
60 C.C.
450 S.Y.C.
40.00
0.006
0 020
0.117
R E P O R T O N T H E W O R K I N G O F T H E K I N G I N S T I T U T E , G U I N D Y