Basic Capter 4

Front

7,000 grains of hardness is equal to ______ lbs. of mineral.

Back

1

Front

1 gpg is equal to ________ mg/l

Back

17.12

Front

68.5 mg/l is equal to _________ grains per gallon (gpg)

Back

4

Front

Suspended particles in water that will reflect light will be measured in the __________ test.

Back

Turbidity

Front

The maximum contaminant level for turbidity in drinking water is _______ NTU.

Back

0.3

Front

When caused by dissolved substances that cannot be removed by filtration, the color is called _______ color.

Back

True

Front

There is currently no standard for taste in water, but the secondary standard for odor is _______ TON.

Back

3.0

Front

When turbidity is very low in treated surface water, the possibility of disease organisms is greatly _________.

Back

Reduced

Front

_________occurs when an atom, or group of atoms, gains or loses an electron and becomes charged.

Back

Ionization

Front

A dissolved atom or group of atoms that carries a positive or negative charge is called an _______.

Back

Ion