KING INSTITUTE, GUINDY, FOR 1927-28.

57

  III.—MADURA.
(a) Madura Mills Co., Ltd.		                        
101 Septic tank latrine effluent 2 June 1927. White and
opaque.		 Strong ... ... 3.6 0.44 3.42 14.8 Nil Nil.  
102 Do. Do. Do. Do. 92.0 28.0 3.6 0.53 3.00 14.8 Nil Nil Average of 7 hourly
samples collected
from 6 a.m.— 12 noon.
103 Final effluent Do. Do. Slight 100.0 10.0 2.7 0.38 3.81 14.8 Present Present Do.
104 Septic tank latrine effluent Do. Do. Strong ... ... 4.62 1.17 2.63 15.2 Nil Nil Average of 9 hourly
samples collected
from 1 to 9 p.m.
105 Final effluent Do. Do. No smell ... ... 4.4 0.59 1.73 14.8 Present Present Do.
106 Septic tank latrine effluent 7 June 1927. Do. Slight 110.0 20.0 3.0 0.5 2.47 3.6 Nil Nil Average of 4 hourly
samples collected at
7 and 11 a m., 3 and
7 p.m.
107 Final effluent Do. White and
hazy.		 No smell 80.0 6.0 2.0 0.44 1.71 13.8 Present Present Do.
  (a) Madura Mills Co., Ltd.
(Repeated).		                        
108 Septic tank latrine effluent 9 Mar. 1928. White and
opaque.		 Strong 112.0 7.8 2.5 0.8 2.63 12.0 Nil Nil.  
109 Final effluent Do. White and
hazy.		 No smell 80.0 2.0 1.2 0.66 1.23 13.0 Present Present.  
110 Septic tank latrine effluent 10 Mar. 1928. White and
opaque.		 Strong 78.0 10.0 3.2 0.28 2.82 15.0 Nil Nil  
111 Final effluent Do. White and
hazy.		 No smell 80.0 4.0 1.4 0.24 1.46 15.0 Present Present.  
112 Septic tank latrine effluent 14 Mar. 1928. White and
opaque.		 Strong 88.0 10.0 4.3 0.54 2.73 19.5 Nil Nil Average of 8 hourly
samples collected
from 2 to 9 p.m.
113 Final effluent Do. White and
hazy.		 Slight 82.0 6.0 2.2 0.3 1.54 19.0 Present Present Do.
114 Septic tank latrine effluent 16 Mar. 1928. White and
opaque.		 Strong 76.0 6.0 4.4 0.2 2.48 17.5 Nil Nil Average of 8 hourly
samples collected
from 6 a.m. to 1 p.m.
115 Final effluent Do. Do. Slight 78.0 2.0 2.6 0.16 1.73 17.0 Present Present Do.
  (b) Evelyn gardens, Kochadai.                        
116 Sewage 3 June 1927. Clear and
colourless.		 No smell 60.0 10.0 1.49 0.43 1.42 12.8 Nil Nil.  
117 Tank effluent Do. Do. Do. 50.0 6.0 1.89 0.31 1.72 13.6 Nil Nil.  
118 Final effluent Do. Do. Do. 70.0 Nil. 1.24 0.24 1.86 14.4 Present Nil.  
119 Sewage 8 June 1927. White and
opaque.		 Slight ... ... 2.8 0.5 2.24 15.6 Nil Nil.  
120 Tank effluent Do. Clear and
colourless.		 No smell ... ... 2.64 0.32 1.44 14.2 Trace Nil.  
121 Final effluent Do. Do. Do. 60.0 ... 1.75 0.20 1.19 14.4 Present Present.