M(1)43
Table X.
BACTERIOLOGICAL ANALYSES OF CHAI WAN WATER SAMPLES.
Date. Description of sample. Index as C.C. Pollution Remarks. 23-7-23. Unfiltered, + 02 Raw water. Filtered, + 2 Much below standard. Tap water, + 10 Not up to standard, Tap water, + 3 Much below standard. 20-8-23. Unfiltered, + 2 Raw water. Filtered, + 12 Up to standard. Tap water, + 12 Up to standard. Tap water, + Below standard. 12-9-23. Unfiltered, 2.5 Raw water. Filtered, .50 Excellent, Tap water, 50 Excellent. Tap water, 50 Excellent. 15-10-23. Unfiltered, 1 Raw water. Filtered, 35 Filtered, 50 Excellent. Tap water, 50 Excellent. Tap water, 50 Excellent. 14-11-23. Unfiltered, + 3 Raw water. Filtered, 50 Excellent. Tap water, 50 Excellent. Tap water, 50 Excellent. 21-12-23. Unfiltered, + 2 Raw water. Filtered, 50 Excellent. Tap water, 25 Satisfactory. Tap water, 25 Satisfactory.