Table IV.
Results of the Bacteriological Examination of the lohfulum Water Supply for the year 1914.
Rate Total Colo- MacConkey's Lactose Neutral Red Bile Presence of the Coli Group. of nics on Salt Peptone Water. Filtration. Filtraat 37°C. for Negative in 2 cc. Sample. 24 hours. 1 cc. Date. Agar in 1 cc 2 cc. 5 cc. 10 cc. 20 cc. 50 cc. Unfiltered, 5-1-14. 140 ++++++++++++ Group IV in 1 cc. Negative in 50 cc. Filtered, 5-1-14. 500 + + + + + + + Negative in 50 cc. Unfiltered, 7-1-14. 110 +++ +++ + Groups I and III in 2 cc. Negative in 50 cc. Filtered, 7-1-14. 325 + + + + + Negative in 50 cc. Unfiltered, 9-1-14. 120 +++ +++ Groups III in 1 cc. Negative up to 50 cc. Filtered, 9-1-14. 325 + + + + Groups IV in 1 cc. Negative in 50 cc. Unfiltered, 6-4-14. 125 ... Group II in 1 cc. Filtered, 6-4-14. 325 + + + III in 20 cc. Unfiltered, 8-4-14. 105 + + + II in 11 cc. Filtered, 8-4-14. 325 + + Negative in 50 cc. Unfiltered, 10-4-14. 115 + + + Group IV in 2 cc. Negative in 10 cc. Filtered, 10-4-14. 325 + Group II in 1 cc. Unfiltered, 6-7-14. 150 + + + + 1 in 20 cc. Filtered, 6-7-14. 570 + + + Negative in 50 cc. Unfiltered, 8-7-14. 120 + + + Filtered, 8-7-14. 570 + + Unfiltered, 10-7-14. 110 + + + Filtered, 10-7-14. 450 + Unfiltered, 5-10-14. 85 + + Filtered, 5-10-14. 625 + Unfiltered, 7-10-14. 80 + + Filtered, 7-10-14. 555 + Unfiltered, 9-10-14. ΤΟ Filtered, 9-10-14. 450 + ... ... ... ...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 IV.
Results of the Bacteriological Examination of the lohfulum Water Supply for the year 1914.
Rate Total Colo-
nics on
Filtraat 37°C. for Agar in 1 cc
MacConkey's Lactose Neutral Red Bile
Salt Peptone Water.
of
Sample.
Date.
tion.
24 hours. cc.
1 ce.
2 cc.
5 cc.
10 cc. 20 cc. 50 cc.
Presence of the Coli Group.
Negative in 2 cc.
15
50 ""
2 ""
50
""
Group IV in 1 ce. Negative in 50 cc. Groups I and III in 2 ce. Negative in 50 cc.
Groups III in 1 cc. Negative up to 50 cc. Groups IV in i ee. Negative in 50 ec. Group II in cc.
III in 20 cc.
51
II in 11 cc.
10
Negative in 50 cc. Group IV in 2 cc. Negative in 10 cc. Group II in 1 cc.
1 in 20 cc.
**
++++++++++++E+I+I+
+ 1 + 1 + 1 + 1 + 1 + 1 +++ 1 +++++++ |
+ 1 + 1 + 1 + 1 + | + | + | + |+++ !+++ |
++ !+1 +1 +1 +1 +1 +1 +++|+++ |
+ 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 +++ | + |||
+ 1 + 1 + 1 + 1 + 1 + ¦ + i + 1 +++ | + | | |
} + 1 + 1 + │} │+
TE
Unfiltered,
5-1-14.
140
Filtered,
5-1-14.
500
15
Unfiltered,
7-1-14.
110
Filtered, Unfiltered,
7-1-14. 325
20
9-1-14.
120
Filtered, Unfiltered,
9-1-14. 325 6-4-14.
20
125
...
Filtered,
6-4-14. 325
95
Unfiltered,
8-4-14.
105
Filtered,
8-4-14.
325
60
Unfiltered,
10-4-14.
115
Filtered,
10-4-14. 325
50
Unfiltered,
6-7-14.
150
Filtered,
6-7-14.
570
15
Unfiltered,
8-7-14.
120
Filtered,
8-7-14.
570
20
Unfiltered,
10-7-14.
110
Filtered,
10-7-14. 450
30
Unfiltered, 5-10-14.
85
Filtered,
5-10-14. 625
10
Unfiltered,
7-10-14.
80
Filtered, Unfiltered,
7-10-14. 555.
60
9-10-14.
ΤΟ
9-10-14.
450
22
เง
F++
"}
2
""
5
>
5
51
""
II in 50
??
""
- L 89
I
Filtered,
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,
No comments yet.
Private notes are available after approval.