QUALITY OF WATER
Time between contact with water and appearance of the disease.
Dissolved and suspended.
SANITARY DRAINAGE PIPING
Method of control.
Waste gas into a caustic soda solution.
WATER TREATMENT QUALITY CONTROL
Pump the well until normal draw-down is reached.
Three inches below the surface at a 45° angle.
TREATMENT CONTROL TEST PROCEDURES
Proper operation and acceptable water quality.
Orthotolidine and Orthotoline-arsenite tests.
3.9 ppm of chloride.
Determine proper chemical dosage and conditions for
CHAPTER 8 - EQUIPMENT MAINTENANCE
By method of feed and type of diaphragm controlling chlorine
MAINTENANCE OF CHEMICAL FEEDERS
Chemical goggles or a mask.