. ONTARIO SESSIONAL PAPERS, 1914, graphs and tables continued through thereport were prepared to illustrate three essential features, Character of sewage,Quantity of disinfectant,Effect of storage. 4. Results and Charts. (a) Disinfection of Raw Sewage hy Chlorination. The nunilior of bacteria in the untreated sample is represented by the darkportion between the left-hand side of the graph and the point marked 0. Thecounts found at the different intervals after adding the bleach are represented bjthe subsequent dark portions. Below the graphs are shown tabular summaries of the average
. ONTARIO SESSIONAL PAPERS, 1914, graphs and tables continued through thereport were prepared to illustrate three essential features, Character of sewage,Quantity of disinfectant,Effect of storage. 4. Results and Charts. (a) Disinfection of Raw Sewage hy Chlorination. The nunilior of bacteria in the untreated sample is represented by the darkportion between the left-hand side of the graph and the point marked 0. Thecounts found at the different intervals after adding the bleach are represented bjthe subsequent dark portions. Below the graphs are shown tabular summaries of the averages of results fromwhich the graphs were plotted. The germicidal efficiencies of different amounts ofchloride of lime for different intervals are shown on the graphs. It will be noticed that the reduction in count following the addition of fromone to three parts available chlorine per million i: comparatively small and that 1914 riJOVlxNCIAL BOARD OF HEALTH. 19: DISINFECTION OF IMHOFF EFFLUENT 15-PART5PES MILLION OF BLEACH (5 R«-rs A-OifmO. -BI*Mh adJ*J KiilSlWSlSIa jauo ^^^Ss75» t((«..»^ ■ Sk. 85 ox ■ . 1 i ■ T^v-- . - - ■■rtl 18- I?- Ce^-vt- jy • -lO coumI 18-PARTS PER MILLION OF BLEACH (fe ftrls A* 0»loM-ie) Btcoch oddcd BkiKh oJdiKi - Ihr . SO O % - 2hrs ■ 71 O >. glaAch oddui - atrj- 7*. 5 r.
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Keywords: ., bookauthorontariolegislativeass, bookcentury1900, bookdecade1910
