TNAG-0093-FCO40-129-Water-supplies-1968 — Page 99

En Clair

PRIORITY No.1189

COPY FOR REGISTRATION

INWARD TELEGRAM

TO THE COMMONWEALTH OFFICE

(The Secretary of State)

FROM HONG KONG (0.A.G.)

D. 9 August 1967 R. 9

06382

AMENDED COPY

(Correction * and

underlined)

My immediately preceding telegram.

31

1.

Physical characteristics.

Colour (hazen units) 70

Ph. value 4.5 8.5

-

Turbidity (silica scale) 150 ppm

Conductivity at 20 degrees C.1250 micromhos

2. Chemical characteristics (ppm) Ammoniacal N 4.0 sulphate (804)

Albuminoid N 1.0

Nitrite N

250

chloride (C1 )

900

0.5

iron (FE)

1.0

0.1

RECEIVED IN ARCHIVES No. 63

14 AUG1967

Hhp 10/42

Nitrate N 12.0 manganese (MN)

Oxygen absorbed value (4 hours at 27 degrees C) 4.0

copper (CU) 1.0

Dissolved solids 1700 calcium (CA) 75

Total hardness (CACO 3) 400 zinc (ZN) 5.0

Total alkalinity (CACO 3) 300 magnesium (MG) 50

fluoride (F1.5 parts per million arsenic (AS) 0.05 cyanide (CN)0.2

3.

Bacteriological characteristics

Coliforms organisms per 100 ml (most probable number) 50,000.

*(Correction being obtained).

Distribution

H.K. W.I.D. 'C' I.G.D.

Copies also sent to:

Foreign Office (SEAD)

-

Miss Lambert

#

#t

"1

t?

##

-

#1

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FED

11

Crown Agents

#

78,Gracechurch Street

Mr. Tait

Mr. Waterstone

Mr. Pickles

Mr. Sharland

Mr. A.P. Evans

+

Mr. E.J. Sims

Crown Agents for Oversea Governments and Administrations Hong Kong Government Office- Mr. P. Sedgwick

/Mr.E.Wilmott-Morgan -