AnnualReport-1922 — Page 409

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Table V.

M (1) 47

Rate of

Total Colonies

Mac Conkey's Lactose Neutral Red Bile Salt Peptone Water.

Sample.

Date.

on Agar

filtra-

in lec

Results of the Bacteriological Examination of the Pokfulam Water Supplies for the year 1922.

Presence of the Coli group. tion. at 37° C. 1 c.c. 1 c.c. 2 c.c. 5 c.c. 10 c.c. 20 c.c. 50 c.c. Unfiltered, 9-1-22. SI Filtered, 9-1-22. 96 Unfiltered, 6-2-22. 114 Filtered, 6-2-22. 13 Unfiltered, 13-3-22. 17 + + + Filtered, 13-3-22. 31 Unfiltered, 3-4-22. 87 +1 +1 + Filtered, 3-4-22. 23 Unfiltered, 1-5-22. 300 Filtered, 1-5-22. 5 Unfiltered, 6-6-22. 175 Filtered, 6-6-22. 43 Unfiltered, 3-7-22. 90 Filtered, 3-7-22. 5 Unfiltered, 8-8-22. 140 Filtered, 8-8-22. 50 Unfiltered, 4-9-22. 107 Filtered, 4-9-22. Unfiltered, 2-10-22. 30 +1 +1 +1 +1 +1 +1 Filtered, 2-10-22. 5 Unfiltered, 1-11-22. 716 +1 +1 +1 +1 +1 +1 +1 Filtered, 1-11-22. TO Unfiltered, 4-12-22. +1 +1 +1 +1 +1 +1 +1 Filtered, 4-12-22. 130 Group IV in 1 c.c. Group IV in 50 c.c. Group I in 1 c.c. Negative up to 50 c.c. Group I. Group I. in 1 c.c. Group II. in 20 c.c. Group I. Group in c.c. Negative up to 50 c.c. Group I in 2 c.c. Negative up to 50 c.c. Group III. 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.

++++++

++++++

| + | + | + | + | + 1 + 1 + 1 + 1 +

+++:+ !+1 +1 +1 +1 +1

+++ 1 + 1 + 1 + ++++ | + | + |

++++++

+++ 1

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Table V. M (1) 47 Rate of Total Colonies Mac Conkey's Lactose Neutral Red Bile Salt Peptone Water. Sample. Date. on Agar filtra- in lec Results of the Bacteriological Examination of the Pokfulam Water Supplies for the year 1922. Presence of the Coli group. tion. at 37° C. 1 c.c. 1 c.c. 2 c.c. 5 c.c. 10 c.c. 20 c.c. 50 c.c. Unfiltered, 9-1-22. SI Filtered, 9-1-22. 96 Unfiltered, 6-2-22. 114 Filtered, 6-2-22. 13 Unfiltered, 13-3-22. 17 + + + Filtered, 13-3-22. 31 Unfiltered, 3-4-22. 87 +1 +1 + Filtered, 3-4-22. 23 Unfiltered, 1-5-22. 300 Filtered, 1-5-22. 5 Unfiltered, 6-6-22. 175 Filtered, 6-6-22. 43 Unfiltered, 3-7-22. 90 Filtered, 3-7-22. 5 Unfiltered, 8-8-22. 140 Filtered, 8-8-22. 50 Unfiltered, 4-9-22. 107 Filtered, 4-9-22. Unfiltered, 2-10-22. 30 +1 +1 +1 +1 +1 +1 Filtered, 2-10-22. 5 Unfiltered, 1-11-22. 716 +1 +1 +1 +1 +1 +1 +1 Filtered, 1-11-22. TO Unfiltered, 4-12-22. +1 +1 +1 +1 +1 +1 +1 Filtered, 4-12-22. 130 Group IV in 1 c.c. Group IV in 50 c.c. Group I in 1 c.c. Negative up to 50 c.c. Group I. Group I. in 1 c.c. Group II. in 20 c.c. Group I. Group in c.c. Negative up to 50 c.c. Group I in 2 c.c. Negative up to 50 c.c. Group III. 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. ++++++ ++++++ | + | + | + | + | + 1 + 1 + 1 + 1 + +++:+ !+1 +1 +1 +1 +1 +++ 1 + 1 + 1 + ++++ | + | + | ++++++ +++ 1
Baseline (Original)
Table V. M (1) 47 Rate of Total Colonies Mac Conkey's Lactose Neutral Red Bile Salt Peptone Water. Sample. Date. on Agar filtra- in lec Results of the Bacteriological Examination of the Pokfulam Water Supplies for the year 1922. Presence of the Coli group. tion. at 37° C. 1 c.e. 1 c.c. 2 c.c. 5 c.c. 10 c.c. | 20 c.c. 50 e.c. Unfiltered, 9-1-22. SI Filtered, 9-1-22. 96 Unfiltered, 6-2-22. 114 Filtered, 6-2-22. 13 Unfiltered, 13-3-22. 17 Filtered, ... 13-3-22. 31 +1 +1 + ! Unfiltered, 3-4-22. 87 Filtered, 3-4-22. 23 Unfiltered, 1-5-22. 300 Filtered, 1-5-22. 5 Unfiltered, 6-6-22. 175 Filtered, 6-6-22. 43 Unfiltered, 3-7-22. 90 Filtered, ... 3-7-22. 5 Unfiltered, 8-8-22. 140 Filtered, 8-8-22. 50 Unfiltered, 4-9-22. 107 Filtered, 4-9-22. Unfiltered, 2-10-22. 30 Filtered, 2-10-22. 5 Unfiltered, 1-11-22. 716 Filtered, 1-11-22. ΤΟ Unfiltered, 4-12-22. + 1 + 1 + 1 +1 +1 +1 +1 +1 + | + | | 1+1 +1 +1 +1 +1 +1 + i + 1 + ! +++i+l Filtered, 4-12-22. ... 130 14 Group IV in Group I in 20 c.c. Group IV. Groups I and IV. Group I in 1 c.c. c.c. B. Coli present in 10 c.c. and upwards Group undetermined, Group III. Group III. Group I. Negative up to 50 e.c. Group IV in 1 c.c. Group IV in 50 e.c. Group I in 1 c.c. Negative up to 50 c.c. Group 1. Group I. in 1 c.c. Group H. in 20 c.c. Group 1. Group in c.e. Negative up to 50 ea. Group 1 in 2 e.e. Negative up to 50 cục. Group III. 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, J = No Change. +1+++ + + + + 1 + ++++++ ++++++ | + | + | + | + | + 1 + 1 + 1 + 1 + +++:+ !+1 +1 +1 +1 +1 +++ 1 + 1 + 1 + ++++ | + | + | ++++++ +++ 1
2026-05-07 02:40:10 · Baseline
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Table V.

M (1) 47

Rate of

Total Colonies

Mac Conkey's Lactose Neutral Red Bile Salt Peptone Water.

Sample.

Date.

on Agar

filtra-

in lec

Results of the Bacteriological Examination of the Pokfulam Water Supplies for the

year 1922.

Presence of the Coli group.

tion.

at 37° C.

1 c.e. 1 c.c. 2 c.c.

5 c.c.

10 c.c. | 20 c.c. 50 e.c.

Unfiltered,

9-1-22.

SI

Filtered,

9-1-22.

96

Unfiltered,

6-2-22.

114

Filtered,

6-2-22.

13

Unfiltered,

13-3-22.

17

Filtered, ...

13-3-22.

31

+1 +1 + !

Unfiltered,

3-4-22.

87

Filtered,

3-4-22.

23

Unfiltered,

1-5-22.

300

Filtered,

1-5-22.

5

Unfiltered,

6-6-22.

175

Filtered,

6-6-22.

43

Unfiltered,

3-7-22.

90

Filtered, ...

3-7-22.

5

Unfiltered,

8-8-22.

140

Filtered,

8-8-22.

50

Unfiltered,

4-9-22.

107

Filtered,

4-9-22.

Unfiltered,

2-10-22.

30

Filtered,

2-10-22.

5

Unfiltered,

1-11-22.

716

Filtered,

1-11-22.

ΤΟ

Unfiltered,

4-12-22.

+ 1 + 1 + 1

+1 +1 +1 +1 +1 + | + | | 1+1

+1 +1 +1

+1 +1 + i + 1 + ! +++i+l

Filtered,

4-12-22.

...

130

14

Group IV in

Group I in 20 c.c.

Group IV.

Groups I and IV.

Group I in 1 c.c.

c.c.

B. Coli present in 10 c.c. and

upwards Group undetermined, Group III.

Group III.

Group I.

Negative up to 50 e.c.

Group IV in 1 c.c. Group IV in 50 e.c. Group I in 1 c.c.

Negative up to 50 c.c. Group 1. Group I.

in 1 c.c. Group H. in 20 c.c. Group 1. Group in c.e. Negative up to 50 ea. Group 1 in 2 e.e. Negative up to 50 cục. Group III.

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,

J

= No Change.

+1+++

+ + + + 1 +

++++++

++++++

| + | + | + | + | + 1 + 1 + 1 + 1 +

+++:+ !+1 +1 +1 +1 +1

+++ 1 + 1 + 1 + ++++ | + | + |

++++++

+++ 1

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