Appendix E.
CITY OF VICTORIA WATER WORKS.
Analyses before and after Filtration of the Pokfulam Water 1892, Grains per imperial Gallon.
226
THE HONGKONG GOVERNMENT GAZETTE, 25TH MARCH, 1893.
General appearance,
Appearance in 24" tube,...
Total solid matter dried at 212° F.,
Chlorine,
Hardness (chalk grains),
Free Ammonia,
Albuminoid Ammonia,.
Oxygen absorbed in 4 hours,.
January.
b
a
Y
February.
March.
April.
May.
June.
a
b
ņ
b
Q
a
T
C D
July. August.
Q
b
a
September.
October. November. December.
a
b
a
b
a
بح
b
a
b
a
C
4.5
S.T. C S.D. C S.D. C P.Y.F.Y. P.Y, P.Y. F.Y. C S.T. C.F.Y. 3.1 4.2 3.4 4.2 2.8 3.4 2.5 .7 .7 .7 .7 .7 .7 .7 1.0 1.9 .9 1.6 .8 1.9 1.0 1.9
S.D. C
3.9
V.T. C S.D. C S.D.
S.Y. P.Y. P.Y. P.Y. F.Y. F.Y. F.Y. F.Y. 3.1 4.2 3.1 4.2 3.6 4.1 3.4 3.9 3.1 3.9 6.4 4.5 3.6 4.8 3.6 .6 .6 .6 .6 .6 .6 .7 .7 .7 .7 .7 .7 .7 .7 ,7 .7 .8 1.9 .9 1.9 .9 1.9 .8 2.0 .9 2.1 1.9 1.1 2.0 .9 2.0 .0021 None.0028 None .0028 None None None .0007 | None .0028 None .0021 | None.0007 | None .0014 | None .0021 | None None None .0021 None .0042 .0021 .0098 .0042.0077 .0035 1.0021 |.0014 |.0049 .0014.0196 |None.0070 0042 .0028 .0014 .0028 .0014 .0042 .0014 .0042 .0042 .0042 .0014 .008 .005 .018 .013 .032 .013 .017.013 .042 .018) .167 .008 .023 .016 .028 .027 .015 01. .020 .015 .020 .010 .015 .012
EXPLANATION.-C indicates clear. D deposit. T turbid. Y yellow. S.D. slight deposit. milky. S.T. slightly turbid. V.T. S.F. slightly yellow.
very
turbid.
P.. pale yellow. F.F. faint yellow.
Appendix F.
CITY OF VICTORIA WATER WORKS.
General appearance,
Appearance in 24" tube,..
Total solid matter dried at 212° F.,
Chlorine,
Hardness (chalk grains),
Free Ammonia,
Albuminoid Ammonia,..
Oxygeu absorbed in 4 hours,.
EXPLANATION.-
February.
March.
April.
Analyses before and after Filtration of the Taitam Water 1892, Grains per imperial gallon.
January.
May.
June.
July.
August. September. October.
November. December.
b
a
b
a
a
b
a
b
a
a
b
a
b
a
b
CL
a
b
a
b
a
રે
C
C
D
T
C
T
C S.D.
S.D.
C
S.T.
C
C
T
S.D. C S.D.
C
Y C
P.Y. T C
3.6
4.5 3.1 4.2 2.5 4.2 3.4 3.9
3.1
3.4 3.6
4.2 3.4 4.2
Y
2.8
.6 .6
.0 .6 .6 .6 .7 .7
.7
.7 .6 .6 .7
C P.Y. F.Y. 3.4 3.4 3.9 16 .6 .6 .6 .9 1.8 1.0 1.7
C
2.8
F.Y. C S.T. 3.9 2.0 3.6 2.5 3.1
C
.8
.6 .6 .6 .6 .6 .6 1.4 1.0 1.9
.9 1.9
C D C D C P.Y. P.Y.P.Y. F.Y. P.Y. P.Y. P.Y.P.Y.
.9 1.7 .9 1.7 .8 1.8 .8 2.0 .9 1.9 .9 1.8 1.0 1.7 .0021 None None None 0014 None None None .0007 None .0014 None .0014 None .0007 | None .0014 None .0021 None None None .0014 None .0028 .0014 .0028 .0014 .0035 0014 .0021.0014 .0056 .0021 .0056 .0028 .0056 .0042 .0021.0014 .0042 .0014 .0056 .0014 .0014 None .0042 None .001 None .003 .003 .014 None .017.013.027.017 .023 .008 027 .018.026.021 .016 .007.015 .009 .019 .009 .011 .008
Cindicates clear. D deposit. T turbid. Y yellow. S.D. slight deposit. S. T. slightly turbid. P.Y. pale yellow. F. Y. faint yellow. Results in column b are before filtration, in column a after filtration,