Table II.
Results of the Bacteriological Examination of the Kowloon Water Supply for the year 1914.
Date. Rate of Filtration. Total Colonics on Agar in 1 cc. 24 hours. MacConkey's Lactose Neutral Red Bile Salt Peptone Water. Presence of the Coli Group. 6-1-14. Unfiltered,All samples taken either immediately before or immediately after filtration.
The rate of filtration is given by the Water Authority in gallons per square yard per day. Classification of the Coli Group is that of MacConkey, + Acid and Gas; L Acid only; — No change.
Table II.
Results of the Bacteriological Examination of the Kowloon Water Supply for the year 1914.
Rate Total Colo-
MacConkey's Lactose Neutral Red Bile
Salt Peptone Water.
of
nics on
Sample.
Date.
Filtra-at 37°C. for
tion.
Agarin 1 cc
24 hours.
1 cc. To cc.
2 cc.
5 cc.
10 cc. 20 cc. | 50 cc.
Presence of the Coli Group.
+1 11+ | | |
+ 1 + 1 + ||
+ 1 + 1 + 1 + 1
Unfiltered,
Filtered,...]
Unfiltered,
6-1-14.
50
6-1-14.
140
20
8-1-14.
40
Filtered,
...
8-1-14. !
434
80
Unfiltered,
10-1-14.
40
Filtered,
10-1-14.
434
25
Unfiltered,
7-1-14.
35
Filtered,
7-1-14.
15
Unfiltered,
9-4-14.
40
Filtered,
9-4-14.
15
Unfiltered,
11-4-14.
38
Filtered,
11-4-14.
12
!
Unfiltered,
7-7-14.
55
Filtered,
7-7-14.
15
Unfiltered,
9-7-14.
60
Filtered,
9-7-14.
...
Unfiltered,
11-7-14.
5
85
Filtered,
11-7-14.
20
Unfiltered,
6-10-14.
25
Filtered,
6-10-14.
10
Unfiltered,
8-10-14.
20
Filtered,
8-10-14.
10
Unfiltered,
10-10-14.
30
Filtered,
10-10-14.
15
' + 1 + 1 + 1 +
Negative up to 5 ec Negative in 50 ce. Negative up to 2 ce. Negative in 50 cc. Negative up to 2 cv. Negative in 50 cc.
+3
5 "" Negative up to 50 cc. Group I + IV in 20 cc. Negative in 50 cc.
Group III + IV in 20 cc. Negative in 50 er.
20 50 }}
**
"
20
50
""
Group I in Ice. Negative in 50 cc. Negative up to 20 cc. Negative in 50 cc.
+++++++++ | + ! + 1 ++++++ || ++
[ + ¦ ¦ 1 + + + 1 + 1 + 1 + 1 +++ 1 + 1 + 1 +
+ 1 + 1 +} ++ | | + | | | + | + | | | | ! + 1
""
17
"
20 50
L 87
-
All samples taken either immediately before or inmediately after filtration.
The rate of filtration is given by the
Water Authority in gallons per square yard per day. Classification of the Coli Group is that of MacConkey, + Acid and Gas ; L
Acid only;
No change.
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