Table III.
Results of the Bacteriological Examination of the Tytam Water Supply for the
Rate Total Colo-
MacConkey's Lactose Neutral Red Bile
Salt Peptone Water.
year
of
nies on
Sample.
Date.
Agar in 1 cc
Filtra-
at 37°C. for
tion.
24 hours. cc.
I cc. 2 cc.
5 cc.
10 cc. 20 cc,
cc. 150 cc.
MacConkey's Lactose Neutral Red Bile Salt Peptone Water Rate Total Colo- 1 cc 2 cc 5 cc 10 cc 20 cc cc 150 cc year nies on of Agar in 1 cc Sample. at 37°C. for Date. 24 hours. Unfiltered, 4-1-15. 45 + + + + + Filtered, 4-1-15. 675 + + Unfiltered, 6-1-15. 50 + + + + + Filtered, 6-1-15. 620 + + + Unfiltered, 8-1-15. 35 + + + + + Filtered, 8-1-15. 590 + + + + Unfiltered, 12-4-15. 15 + + + + + Filtered, 12-4-15. 775 + + Unfiltered, 14-4-15. 5 + + + + + Filtered, 14-4-15. 782 + Unfiltered, 16-4-15. 10 + + + + + Filtered, 16-4-15. 792 + + + Unfiltered, 5-7-15. 80 + + + + + Filtered, 5-7-15. 800 + + + + Unfiltered, 7-7-15. 110 + + + + + Filtered, 7-7-15. 730 + + + + Unfiltered, 9-7-15. 70 + + + + + Filtered, 9-7-15. 722 + + + + Unfiltered, 4-10-15. 50 + + + + + Filtered, 4-10-15. 652 + + + + Unfiltered, 6-10-15. 60 + + + + + Filtered, 6-10-15. 690 + + + + Unfiltered, 8-10-15. 65 + + + + + Filtered, 8-10-15. 643 + + + +1915.
Presence of the Coli Group.
Presence of the Coli Group Negative up to 20 cc. Group I in 50 cc. Negative up to 10 cc. Group III in 10 cc. Negative up to 50 cc. Group II in 50 cc. Negative up to 50 cc. Group III in 50 cc. Negative up to 50 cc. Group III in 20 cc. Group I in 10 cc. I, II and IV in 20 cc. I and IV in 1 cc. I and IV in 20 cc. IV in 1 cc. I in 20 cc. IV in 20 cc. I in 2 cc. II in 10 cc. I in 1 cc. I, II and IV in 50 cc.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; = Acid only;
= No change.
M 80 -
Table III.
Results of the Bacteriological Examination of the Tytam Water Supply for the
Rate Total Colo-
MacConkey's Lactose Neutral Red Bile
Salt Peptone Water.
year
of
nies on
Sample.
Date.
Agar in 1 cc
Filtra-
at 37°C. for
tion.
24 hours. cc.
I cc. 2 cc.
5 cc.
10 cc. 20 cc,
cc. 150 cc.
Unfiltered,
4-1-15.
45
Filtered,
4-1-15.
675
25
Unfiltered,
6-1-15.
50
...
Filtered,
6-1-15. 620
40
Unfiltered,
8-1-15.
35
Filtered,
8-1-15. 590
20
Unfiltered,
12-4-15.
15
Filtered,
12-4-15. 775
2
Unfiltered,
14-4-15.
5
Filtered,
14-4-15. 782
...
Unfiltered,
16-4-15.
10
Filtered, ...
16-4-15. 792
2
Unfiltered,
5-7-15.
80
Filtered,
...
5-7-15. 800
40
Unfiltered,
7-7-15.
110
Filtered,
7-7-15.
730
50
Unfiltered,
9-7-15.
70
Filtered,
9-7-15.
722
25
Unfiltered,
4-10-15.
50
Filtered,
4-10-15. 652
10
Unfiltered,
6-10-15,
60
Filtered,
6-10-15. 690
15
Unfiltered,
8-10-15.
65
8-10-15. 643
10
+1 +1 +1 +1 +1
| + ¦ +1 +1 +1 +
1 + 1 + 1 + 1+1+
1 + 1 + 1│
[ { ++ |+|+|+++ |
[ + + + 1│
1+++++++++++ |+|| [ + ] +++ 1 +
1915.
Presence of the Coli Group.
Negative up to 20 ce. Group I in 50 cc.
III in 10 cc.
""
Negative up to 10 ce. 10 ec.
J1
17
Group II in 50 cc.
I in 20 cc.
Negative up to 50 cc. Group III in 50 cc. Negative up to 50 ce.
Group III in 20 cc. Negative up to 50 cr. Group I in 10 cc.
++++++++++++! +1 +1 +++++++
**
I, II and IV in 20 cc.
I and IV in 1 ce.
**
I and IV in 20 cc.
31
**
TV in Ice.
I in 20 cc.
IV in 1 cc.
"
IV in 20'ce.
"1
I in 2 cc.
""
II in 10 ec.
99
I in 1 cc.
"
I, II and IV in 50 ec.
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; = Acid only;
= No change.
M 80 -
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