G U I N D Y E X P E R I M E N T A L F I L T E R S .
APPENDIX VII, TABLE I.
Results of Chemical and Bacteriological Examination of samples of Adayar River water and of filtered water from two sand filters worked at a rate of 8 vertical inches per hour.
Date
of examination of samples.
Raw water.
Filter with tiles.
F i l t e r w i t h o u t t i l e s .
Bacteriological. Phy-sical. Chemical.
Bacteriological. phy- si cal .
Ch
emical.
Bacteriological. Phy- s i c a l .
Chemical.
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° 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.
L a c t o s e f e r m e n t e r s p r e s e 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°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.
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°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.
R e m a r k s .
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 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 .
11th Aug. 1921. 0.01 C.C. 6,100 W.O. 30.00 0.004 0.034 0.214 0.1 C.C. 4,400 W.O. 21.00 0.002 1.026 0.093 0.1 C.C. 5,100 W.H. 21.00 0.002 0.022 0.093 E x p e r i m e n t N o . 1 .
0.1 C.C. 2,700 W.O. 22.00 0.002 0.016 0.112 0.1 C.C. 1,800 W.O. 22.00 0.002 0.016 0.112
28.00 0.002 0.030 0.177
W.O.
12th " "
0.01 C.C. 4,800
25.00 0.002 0.018 0.118 0.1 C. C. 2,700 W.O. 27.00 0.002 0.016 0.118
W.H.
1 C.C.
0.01 C.C. 5,100 W.O. 36.00 0.007 0.034 0.209
1,500
13th " "
620 S.Y.C. 31.00 0.002 0.018 0.109 5 C.C. 700 S.Y.C. 32.00 0.002 0.018 0.129
0.182
0.034
5 C.C.
0.01 C.C. 3,900 W.O. 35.00
0 . 0 0 2
15th " "
800 S.Y C. 32.00 0.003 0.020 0.133 5 C.C. 1,000 S Y.C. 32.00 0.004 0.016 0.114
5 C.C.
0.01 C.C. 4,800 W.O. 34.00 0.002 0.032 0.200
19th " "
5 C.C. 1,100 S.Y.C. 34.00 0.002 0.014 0. 086 5 C.C. 1,300 S.Y.C. 34.00 0.002 0.016 0.186
0. 133
0.1 C.C. 5,600 W.O. 39.00 0.002 0.030
22nd " "
5 C.C. 1,200 Y. C. 34.00 0.002 0.014 0.127 10 C. C. 900 Y.C. 34.00 0.003 0.016 0.127
0.1 C.C. 3.200 W.O. 36.00 0.002 0.032 0.173
25 th " "
0.213 -60 C.C. 300 Y.C. 34.60 0.003 0.020 0.160 10 C.C. 460 Y.C. 35.40 0.002 0.018 0.160
0.1 C.C. 3,600 W.O. 36.00 0.002 0.034
29th " "
Y.C. 35.00 0.002 0.018 0.165 10 C.C. 510
Y . C . 36.00 0.002 0.020 0.165
0.036 0.209 20.C.C. 400
0.1 C.C. 3,800 Y.O. 37.00 0.002
1st Sep. "
10 C.C. 180 S.Y.C. 35.00 0.002 0.018 0.104 10 C.C. 250
S . Y . C . 35.60 0.002 0.020 0.104
0.209
0.1 C.C. 2,200 Y.O. 37.40 0.002 0.034
6th " "
15th Oct. 1921. 0.01 C.C. 7,800 W.O. 31.00 0.006 0.026 0.190 0.1 C.C. 6,200
W . O . 24.00 Trace 0.014 0.095 0.1 C.C. 6.600 W.
2 3 . 0 0 0.002 0.016 0.095 E x p e r i m e n t N o . 2 .
33.00 0.003 0.026 0.210 1 C.C. 4,800 W.H. 25.00 Trace 0.016 0.133 1 C.C. 5,200
W . H . 25.00 0.002 0.018 0.114
0.01 C.C. 6,000 W.O.
17th " "
0. 191 20 C.C. 420
S . Y . C .
3 2 . 0 0 0.002 0.012 0.114 20 C.C. 740
S . Y . C . 32.40 0.002 0.014 0.124
20th " " 0.1 C.C. 4,000 W.O. 37.00 0.002 0.022
20 C.C. 490
S . Y . C . 33.00 Trace 0.012 0.114 20 C.C. 750
S . Y . C . 34.00 0.002 0.014 0.105
0.210
2 1 s t " "
0.1 C C. 8,900 W.O. 35.00 0.003 0.024
560 Y.C. 33.00 Trace 0.014 0.100 20 C.C. 690 Y . C . 33.00 0.002 0.012 0.090
37 00 0.005 0.026 0.190 20 C.C.
22nd " " 0.1 C.C. 8,400 W.O.
10 C.C. 710 Y.C. 27.00 0.002 0.014 0.114 20 C.C. 730 Y.C. 28.00 0.003 0.016 0.114
0.200
25th " "
0.01 C.C. 7,900 W.O. 31.00 0.004 0.026
6,800 W.O. 27.00 0.002 0.026 0.210 5 C.C. 810
W . O . 21.00 0.002 0.014 0.14 5 C.C. 870
W . O . 21.30 0.002 0.014 0.105
27th " "
0.01 C.C.
5 C.C. 970 W.O. 18.00 Trace 0.012 0.095 5 C.C. 890
W . O . 18.60 0.002 0.014 0 . 0 9 5
0.190
1st Nov. " 0.01 C.C. 7,800 W.O. 22.00 0.003 0.024
2nd Sep. 1922. 0.01 C.C. 6,100 Y.O. 88.00 0.002 0.024 0.190 5 C.C. 780 W . O . 22.00 0.003 0.009 0.095 1 C.C. 1,300
W . O . 22.00 0.002 0.010 0.095 E x p e r i m e n t N o . 3 .
W . O . 29.00 0.003 0.026 0.229 5 C.C. 700 W.O. 22.00 0.002 0.013 0.133 5 C.C. 750 W.O. 21.60 0.002 0.015 0.133
4,900
4th " " 0.01 C.C.
760
S . Y . H . 24.00 0.002 0.012 0.120
0.002 0.020 0.200 60 C.C. 580 S.Y.H. 23.00 0.003 0. 011
0 . 1 4 0 10 C.C.
7th " "
0.01 C.C. 6,400
S . Y . H 26.00
S.Y.H. 23.00 0.002 0.008 0.114 10 C.C. 720 S.Y H. 23.00 Trace. 0.009 0.133
0.003 0.028 0.171 10.C.C. 640
11th " " 0.01 C.C. 4,700
W . O . 23.00 0.003 0.030 0.229 -60 C.C. 540
Y . C . 25.40 0.002 0.018 0.113 20 C.C. 640 Y.C. 24.00 0.003 0.016 0.154
5,400
Y . C . 27.00
14th " "
0.01 C.C.
0.022 0.175 60 C.C. 690
Y . C . 22.00 0.002 0.010 0.127 20 C.C. 710 S.Y.H 22.40 0.002 0.010 0.137
0.003
0.01 C.C. 5,100 S.Y.O. 31.00
18th "" "
0.210 -60 C.C. 490
Y . C . 31.00 0.002 0.012 0.114 10 C. C. 820
Y . C . 30.00 0.002 0.014 0.124
0.1 C.C. 3,100 Y.H. 35.00 0.003 0.028
22nd " "
510
S . Y . C . 35.00 0.005 0.014 0.127 50 C.C. 630 S.Y.C. 34.40 0.002 0.016 0.127
0.036 0.283 60 C.C.
0.1 C.C. 2,900 S.Y.O. 42.00 0.003
25th " "
0.257 -60 C.C. 470
S . Y . C . 35.00 0.003 0.014 0.162 20 C.C. 680 S.Y.C. 35.60 0.002 0 . 0 1 6 0.162
0.1 C.C. 4,200
Y . C . 38.00 0.004 0.034
28th " "
28th Oct. 1922. 0.01 C.C. 7. 600 Y . O . 24.00 0.004 0.022 0.190 0.01 C.C. 5,100
W . O . 15.00 0.003 0.018 0.114 001 C.C. 5,400 W.O.
1 5 . 0 0 0.006
0 . 0 0 6 0.095 E x p e r i m e n t N o . 4 .
W . O . 17.00 0.002 0.020 0.060
W . O . 17.00 0.002 0.016 0.016 0 1 C.C. 5,000
4,800
0.01 C.C. 6,800 W.O. 21.00 0.003 0.020 0.080 0.1 C.C.
30th " "
2.700 W.O. 18.00 0.002 0.018 0.107
1 C. C.
0.003 0.030 0.127 1 C.C. 2,200
W . O . 17.00 0.010 0.008 0.117
28.00
2nd " " 0.01 C.C. 6,000
W . O .
0.114 5 C.C. 1,200
W . O . 16.00 0.004 0.014 0.095 5 C.C. 1.400 W. O. 16.00 0.002 0.016 0.095
6th " "
0.01 C.C. 5,800 W.O. 13.00 0.002 0.024
19.00 0.002 0.020 0.180 10 C.C. 810
W . O . 16.00 0.003 0.010 0.060 10 C.C. 900 W.O. 16.40 0.002 0.018 0.100
9th " "
0.1 C.C. 5,000
W . O . 19.00 0.004 0.026 0.210 20 C.C. 640
W . O . 13.60 0.034 0.012 0.137 10 C.C. 800 W.O. 14.00 0.003 0.016 0.137
13th " " 0.1 C.C. 4,800 W.O.
0.026 0.120 60 C.C. 500
W . H . 13.00 0.002 0.014 0.180 20 C.C. 580
W . H . 14.00 0.002 0.020 0.080
18.00 0.003
20th " "
0.1 C.C. 4,000
W . O .
Trace 0.010 0.062 20 C.C. 500 W . H . 18.00 0.003 0.006 0.062
27.00 0.002 0.022 0.185 20 C.C. 480
W . H . 18.00
W.O.
27th " "
0.1 C.C. 4,600
W. O. = Whi t e and Opaque. W. H. = Whi t e and hazy. S. Y. H. = Sl i ght l y yel l owi s h and hazy. Y. O = Yel l owi s h and Opaque. Y. C. = Yel l owi s h but cl ear . REPORT ON THE WORKI NG OF THE KI NG I NSTI TUTE, GUI NDY