1. A common chemical used in the disinfection of a calcium hypochlorite
small water supply is -
2. The MOST important treatment in water is? Disinfection
3. Which of the following would be considered a part(s) solution feed pump
of a hypo-chlorinator system?
4. Which of the following is a required step in collecting use of an approved, sterile
a routine distribution sample for bacteriological test- sample container
ing?
5. The most important federal law that impacts the wa- The Safe Drinking Water Act
ter utility industry is? of 1974
6. A groundwater well is currently producing 820 gal- 1440
lons per minute. Convert 820 (gum) to million gallons
per day (mgd).
7. Public Water Systems in Texas are required to com- pumpage & chemical used
pile and maintain reports showing - date of dead end flushing
and storage tanks cleaned
microbiological tests and
chemical analysis
8. The process of adding enough chlorine to a wa- breakpoint chlorination
ter supply to complete all reactions with reducing
compounds, ammonia, and organic materials so that
some free chlorine is left is called -
9. A Texas Class D Certified Operator can operate a pub- 250
lic water system up to connections.
10. 3 years