M(1)60
Table XIII.
BACTERIOLOGICAL ANALYSES OF LAI CHI KOK WATER SAMPLES
Date. Description of samples. Pollution Index as C.C. Remarks 21-1-25. Unfiltered water ++1 Raw water. do. Filtered water 0.5 Below standard. do. Tap water, kitchen water work 50 Excellent. do. Tap water, servant quarters, Standard Oil Co. 50 Excellent. 18-2-25. Unfiltered water 2.5 Raw water. Very good. do. Filtered water +++5 & do. Tap water, kitchen Filter Bed servant quarters 50 Excellent. do. Tap water, coolie quarters, Standard Oil Co. 50 do. 18-3-25. Unfiltered water ! do. Filtered water ++1 Raw water. do. Tap water, kitchen servant quarters, Filter Bed 10 Not up to standard do. Tap water, coolie quarters, Standard Oil Co. 50 Excellent. 22-4-25. Unfiltered water 0.5 Raw water do. Filtered water 5 Below standard. do. Tap water, kitchen servant quarters, Filter Bed 50 Excellent. do. Tap water, coolie quarters, Standard Oil Co. 50 do. 20-5-25. Unfiltered water 0.2 Raw water. do. Filtered water 2 Unsatisfactory. do. Tap water, Lai Chi Kok Prison 50 Excellent. do. Tap water, coolie quarters, Standard Oil Co. 50 do. 17-6-25. Unfiltered water 0.01 Raw water. do. Filtered water 50 Very good. do. Tap water, kitchen servant quarters, Filter Bed 50 Excellent.Page 450
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