PART I

.--INTRODUCTORY.

Introduction. Details of River Pollutions and Recommendations of Various Commissions. Hourly and Daily Flow of Sewage. The Pail System as Affecting Sewage. The Separation of Rain-water from the Sewage Proper. Settling Tanks. Chemical Processes. The Disposal of Sewage-sludge. The Preparation of Land for Sewage Disposal. Table of Sewage Farm Management.

##