October. November. December.
2
b
b
a
b
b
a
b
a
b
a
2
b
A
TABLE B.
CITY OF VICTORIA WATER-WORKS.
Analyses before and after Filtration of the Pokfoolum Water, 1891.
Grains
per imperial gallon.
January. February.
March.
April.
May.
June.
July.
August.
September.
Appearance in 24 in. tube,
i
T. S.T. T. S.T. T. C.
T.
S.M.❘ N.C. N.C.
C.
C.
C.
C.
C.
C.
C.
C.
T.
C.
S.M.
C.
T.
C.
Total solids dried at 212° F,
3.5 4.7 3.8 5:0 4.8 4.9 4.76
4.76 2.5 2.74
4.76
4.22
5.88
4-48
4.76
4:40 3.13
3.08
3.6
4.5 4.2
4+2 3.4
3.9
Chlorine,
*56 ⚫56 *56
⚫56
556
*70 •70 -70 *70 *70 '70 *84 .84 ·70 •70
.84
.84
⚫70 +70
⚫9
ம்
.9
*63 *63
683
*63
'63
Hardness (chalk
grains),
1.1 2.1
1.0 2.0 1.2 2.1
1.1
1.9 1.0
1.9 1.00
2.00 1.6 2.00 *60 1.20 5 1.20 •8
2.0
.8
1.7 *90 1.6
Free Ammonia,. none none none none *0014 none *0028 none *0042 none trace
none none none ·0014 none trace none '0112 none none none none none
b
EL
Albuminoid Am-
monia,
Oxygen absor-
·0042·00280042 0042 00840028 00700042 | 0063 0042 0014 none ·0014 none *0049 trace ·0021
bed in 4 hours, 016
none-0042 none 0028 |·0021 |·0028 none
⚫012 ·0036 0036 01700088-03150222 |·0615·0307 0011 0002 ⚫008 *005 *0150025 *011 ·004 ⚫030 *009 ⚫016 *014 ·015 ⚫009
Explanation.-C. indicates clear; T. turbid; S.T, slightly turbid; V.T. very turbid; S.M. slightly milky; N.C. nearly clear. Results in Column & are before filtration; in column a after filtration.
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