32

REPORT OF THE KING INSTITUTE, GUINDY

TABLE XVI.

Chemical and Miscellaneous Analyses.

No. Description. Number of
samples
examined.
1 Bread 60
2 Milk 5
3 Buttermilk 1
4 Butter 4
5 Ghee 6
6 Oil 2
7 Dhall 8
8 Rice 1
9 Arrowroot flour 1
10 Wheat flour 1
11 Sago flour 56
12 Tea (black gram husk) 1
13 Cane sugar 4
14 Trypsin 1
15 Liquid paraffin 1
16 "Perchloron" 3
17 Boiler scales 2
18 Metal parts for percentage of components 2
19 Disinfectants for Rideal Walker Test 13
  Total     172

TABLE XVII.

Sewage samples.

No. Date. Place. Number of
samples
analysed.		 Average
albuminoid
nitrogen
in parts
per 100,000
in Final
Effluents.
1 April 1927 Lady Willingdon Training College, Madras 7 0.49
2    Do. Spur Tank Installation, Madras 2 0.60
3 May 1927 Presentation Convent, Kodaikanal 14 1.62
4 March 1928       Do. 9 0.57
5    Do. Boyer Hall, Kodaikanal 7 0.87
6    Do. High Clerc School, Koclaikanal 6 0.80
7 June 1927 Madura Mills Co., Ltd., Madura 7 0.47
8 March 1928       Do. 6 0.38
9 June 1927 Evelyn Gardens, Kochadai, Maclura 6 0.22
10 March 1928       Do. 3 0.18
11 June 1927 Pasumalai Bungalow, Pasumalai, Madura 4 0.23
12 March 1928       Do. 4 0.11
13    Do. Pasumalai High School, Madura 4 0.68
14 July 1927 Women's Christian College, Madras 4 0.87
15    Do. Women's Christian College Hostel, Madras 2 0.44.
16 September 1927 Carnatic Mills, Perambur, Madras 6 0.78
17    Do. Buckingham Mills,      do. 6 0.70
18    Do. Waterton Estate, Madras 6 0.16
19 May 1927 Cooum River near Spur Tank, Madras 1 0.60
20 February 1928 Cooum River drawn at various points 11 0.21
...    Do. (1) At Hutton's Bridge 1 3.2
...    Do. (2) At Willingdon Bridge 1 0.37
...    Do. (3) Near Medical College 1 0.63
21 May 1927 Buckingham Canal, near Chepauk 2 0.11
22 February 1928           Do.              at various points 11 0.14
     Do. (1)     Do.               near Elephant Gate Bridge 1 7.40
     Do. (2)     Do.               near Moore Market 1 0.64
  Total number of samples analysed     133