WATERS.

Result expressed in Grains per Imperial Gallon (1 in 70,000).

— 311 -~-

Date.

Situation.

Total

Solid Depth. Matter | Chorine.

Oxygen Nitrogen

dried at

Saline

Ammonia

100°. C).

Albume absorbed noid in 4 Ammonia hours at 80° F.

in

Nitrates Nitrites.

and

Nitrites.

Sugar Test for the Detection of Sewage.

Poisonous

Metals.

General Remarks.

1904.

Feb. 13

From Water-boat-No. 3,

4.3

.9

.0014

.0028

.027

.008

Absent. No sewage indicated. Absent.

Mar. 16

Well at Chan A Wai's Dairy,

[60 to 70 ft.

7.6

1.0

.0112

Absent. .029

.411

Matau wai,

25

53

April 25

Well at Ping Shan, -

7.0

.4

.0364

.0056

.123

"}

35

Well at Un Long,

20 ft.

48.5

15.4

.0042

Absent. .006

.287

No

>>

o-sowage

indicated.

May 13

Well south-east of Ping Shan

Station,

36 ft.

1.8

.25

.0224

.0014

.039

Vegetable debris and

Mosquito lawal

present.

.112.

33

>>

*

June 13

Well at rear of Wanchai Bath

9.3

1.8

Absent. Absent, .026

.049

House,

>>

15

55

29

Stream near Kew Road Taitam

77

4.0

.9

.0084 .0028

.087

.012

Tuk,

77

55

>>

29

>>

Streamwater from above pump-

-ing pond Taitain, Valley, ...

4.0

1.0

.0056 Absent. .029 Absent.

77

"

July 4

Well between 31 & 32, Tung

22.5

3.5

.0112

.0127

.444

Tau, Kowloon City,

>>

>>

"}

4 Well at 15 Kowloon Street, Kowloon City,

85.5

19.6

.0980 .0350

.992

.535

Present. Sewage indicated.

50

Unpleasant odour.

""

""

"

""

29

ララ

2 2 22 2 242

20

Well between 31 & 32 Tung

Tau, Kowloon City,

26.0

3.5

Absent. Absent.

.823

Absent.

F

21

Well between 15 & 16 Fuk

Sing Lane,

10 ft.

44.0

11.2

.0840

Present. Sewage indicated.

"}

29

Well at 107, Praya East,

9 ft.

11.0

1.9

Absent.

.027

.1.15

Absent. No

"

sewage

indicated.!

"

29

Well in grounds of Erance

Bungalow, Kowloon,

184 ft.

12.5

4.5

.010

>>

A

59

.066

"?

>

Well in rear of Ribeiro's Bun-

galow, Kowloon,

121 ft.

18.5

5.6

.029

.362

77

33

""

}}

Aug. 12 Spring at Sandukan,

:

8.0

.6

.032

.004

}]

15

Well at Bangkok,

16.6

.5

.012

Absent.

*

}}

"3

""

55

>

Well in Nojones' Bungalow

Garden, Kowloon,

15 ft.

12.0

2.8

.014

.016

>>

}]

""

A

Sept. 24

Well on Lot 359, Sam Shui Po,

23 ft.

114.0

40.6

.0496

.0056

2.017

>>

No sewage indicated. Sewage indicated.

19

5)

24

Well near Lot 2514, Sai Kok,

55

Sam Shui Po,

16 ft.

144.0

32.2

.0084

.0140

1.934

55

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