Sewerage and Sewage Treatment

by Harold E. Babbitt

[145]. Computed from formula by Gilbert in “Transportation of Debris by Running Water,” U. S. Geological Survey, Professional Paper No. 86, 1914. Diameter in mm. = 1.28 (velocity)^2.7
Sp. gv. − 1.

[146]. Computed from Annual Report of the Superintendent of Sewers, Nov. 30, 1919, and 1920.

[147]. These figures are for 1919.

[148]. These figures are for 1905.

[149]. These figures are for 1902.

[150]. Report of the Ohio State Board of Health, 1908, page 425.

[151]. Definition proposed by the Am. Public Health Assn.

[152]. See Eng. News. Vol. 73, 1915, p. 410.

[153]. Sewage Treatment from Single Houses and Small Communities, by L. C. Frank. U. S. Public Health Service, Bulletin 101, 1920.

[154]. Eng. News-Record, Vol. 78, 1917, p. 566.