Street Cleaning, Elements to be Considered—Contract versus Municipal Cleaning—Spring Cleaning—Street Sprinkling—Street Cleaning Methods—Machine Sweeping—Pick-up Machines—Cleaning by Flushing—Hose Flushing—Cleaning by Squeegeeing—Disposal of Refuse—Relative Cost
Sewage Disposal Methods, Need for Proper Disposal—Sewerage Systems—Purification of Sewage—Processes of Purification—Dilution—Screening—Grit Chambers—Straining or Roughing—Treatment in Tanks—Plain Sedimentation—Septic Process—The Imhoff Tank—Chemical Precipitation—Slate Beds—Dosing Chambers—Contact Filters—Trickling, Percolating or Sprinkling Filters—Intermittent Sand Filters—Broad Irrigation—Disinfection—Activated Sludge Process—Other Processes—Trade Wastes—Sludge Disposal and Value—Management and Supervision
Ash and Rubbish Collection, Types of Collection Systems—Methods of Collection—Districting the City—Organization of Collection Forces—Kinds of Equipment—Location of Receptacles—Time of Collection—Frequency of Collection—Enforcement of Collection Regulations—Methods of Disposal—Revenues from By-Products—Efficiency Tests and Suggestions—Per Capita Production—Cost Data
Garbage Collection and Disposal, Collection Systems—Methods of Collection—House Treatment—Kinds of Equipment—Location of Receptacles—Time and Frequency of Collection—Enforcement of Collection Regulations—Cost—Per Capita Production—Feeding to Swine—Dumping on Land—Dumping in Large Bodies of Water—Disposal by Sanitary Fill—Burial—Disposal Plants—Incineration—Reduction
Municipal Clean-up Campaigns, Agencies for Propaganda—Programs—Organization—Procedure—Publicity—Miscellaneous Activities—Methods—Prizes—Fire Prevention and Inspection—Sanitary Inspection—Slogans—Flies and Mosquitoes—Ordinances—Revenue from Waste—Cost—Results
