Sessional_Paper_1902 — Page 860

WATERS.

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

Total

Oxygen Nitrogen

Solid

Date.

Situation.

Depth.

matter Chlorine. dried at

100° C.

Saline Albume

noid Ammonia. Ammonia.

absorbed

in 4

hours at

80° F

in

Sugar test for the detec-

Nitrates Nitrites.

and

Nitrites.

tion of Sewage.

Poisonous

Metals.

General Remarks.

10

1901.

Jan. 24

Well at Jardine's Gardens (Ver- milion Factory,........

18.3

2.4

.010

.010

.003

.030

Absent.

No trace of Sewage indicated.

Absent.

Feb. 15

Well at Sha Tau Kok between

some Chinese vegetable gar- dens,..........

2.6

.7 Absent. Absent.

.019

Absent.

55

15

そう

Well at Sha Tau Kok at the bottom of a hill,

4.8

.5

.002

"}

""

""

April 23 Spring at Li-chi-kok,

5.0

.5

.0014

>>

.030

.008

>>

May 3 Spring at Sai Kung,

4 feet.

6.3

1.4

.0056

.0014

.013

.008

>>

June 5

Well at No. 14 Des Voeux Road Central,

2.9

.0112

.0147

Present.

J

Sewage indicated. 25 grain of lead per gallon.

Odour, Phosphorous. Animalcula present.

July 17

Well at Hunghom West,

18 feet.

9.7

2.0

.0056

.0028

.013

.288

Absent.

17

Well at Hunghom at the back of the market,

37 feet.

15.7

4.2

.0252

.0112

.253

17

Well in Dock Street, Hunghom,.. 21 feet.

9.3

1.8

.0056 .0028

.010

.172

>>

No trace of Sewage indicated.

Sewage indicated.

No trace of Sewage indicated.

Absent.

Odour unpleasant.

""

Aug. 7 Well at Sa Mun Station,

6.0

1.1

Absent. .0028

.027

Absent.

34

#1

>>

Oct. 29

Well at Tai Po,

5.0

.6

.0014 .0014

25

,"

761