M(1)40
Table IVBACTERIOLOGICAL ANALYSES OF CHAI WAN WATER SAMPLES Date Description of samples Pollution Index as C.C. Remarks 28-1-25 Unfiltered water + 0.1 Raw water. do. Filtered water 50 Excellent. do. Tap water, street fountain opposite Shaukiwan Market 50 do. do. Tap water, street fountain opposite Yuen Hing Lane 50 do. 25-2-25 Unfiltered water * +++ Raw water. do. Filtered water 50 Very good. do. Tap water, street fountain opposite Shaukiwan Market. + 50 do. do. Tap water, street fountain opposite Yuen Hing Lane 1 Very good. 25-3-25 Unfiltered water * 25 Raw water. do. Filtered water 0.1 Excellent. do. Tap water, street fountain opposite Shaukiwan Market. +25 Good. do. Tap water, street fountain opposite Yuen Hing Lane 50 Very good. 29-4-25 Unfiltered water * 50 Raw water. do. Filtered water 0.2 Excellent. do. Tap water, street fountain opposite Shaukiwan Market 50 Very good. do. Tap water, street fountain opposite Yuen Hing Lane + 3.3 Below standard. 4-5-25 Unfiltered water 2.5 Unsatisfactory. do. Filtered water 0.5 Raw water. do. Tap water, street fountain opposite Shaukiwan Market 50 Very good. do. Tap water, street fountain opposite Yuen Hing Lane 50 Excellent. 27-5-25 Unfiltered water... 0.2 Raw water. do. Filtered water 16.6 Up to standard. * Chlorinated before filtration.