Grade 1 Drinking Water Treatment Study Guide – Complete With Solutions

Grade 1 Drinking Water Treatment Study Guide –
Complete With Solutions

Raw Water Correct Ans - Olive Green

Settled or Clarified Water Correct Ans - Aqua

Finished or Potable Water Correct Ans - Dark Blue

Alum Correct Ans - Orange

Ammonia Correct Ans - White

Carbon Slurry Correct Ans - Black

Caustic Soda (Sodium Hydroxide) Correct Ans - Yellow with green
band

Chlorine Correct Ans - Yellow; MRDL: 4.00 mg/L

Fluoride-Hydrofluorosilicic Acid Correct Ans - Light blue with a red
band

Lime Slurry (Calcium Carbonate) Correct Ans - Light Green

Ozone Correct Ans - Yellow with an orange band

Phosphate Compounds Correct Ans - Light green with red band

Polymers or Coagulant Aids Correct Ans - Orange with green band

Potassium Permanganate Correct Ans - Violet

Soda Ash (Sodium Carbonate) Correct Ans - Light green with
orange band

Sulfuric Acid Correct Ans - Yellow with red band

,Sulfur Dioxide Correct Ans - Light green with yellow band

Backwash waste Correct Ans - Light brown

Sludge Correct Ans - Dark brown

Sewer (sanitary or other) Correct Ans - Dark gray

Compressed air Correct Ans - Dark green

Gas Correct Ans - Red

Other pipes Correct Ans - Light Gray

What is the arsenic MCL standard? Correct Ans - 0.01 mg/L

What is the asbestos MCL standard? Correct Ans - 7.0 MFL

What is the bromate MCL standard? Correct Ans - 0.01 mg/L

What is the standard for combined radium MCL? Correct Ans - 5.00
pCi/L

What is the Copper Action Level? Correct Ans - 1.3 mg/L

What is the MCL for gross alpha? Correct Ans - 15 pCi/L

What is the MCL for HAA5? Correct Ans - 0.06 mg/L

What is the long term health based limit for iron? Correct Ans - 2.0
mg/L

What is the lead action level? Correct Ans - 0.02 mg/L

What is the long term health based limit for manganese? Correct Ans -
0.30 mg/L

What is the MCL for nitrates? Correct Ans - 10 mg/L

, What is the MCL for nitrites? Correct Ans - 1.00 mg/L

What is the MCL for perchlorate? Correct Ans - 2 ppb (0.002 mg/L)

What is the guidelines for radon? Correct Ans - 10,000 pCi/L

What is the MCL for TTHM? Correct Ans - 0.08 mg/L

What is the MCL for uranium? Correct Ans - 20 pCi/L

What is a tier one public notification? Correct Ans - Serious adverse
effects on human health as a result of short term exposure. Has to be given
within 24 hours unless it is an emergency, then not later than 2 hours.

What is a tier two public notification? Correct Ans - Potential to
have serious adverse effects on human health. Has to be given within 30
days after learning of the violation.

What is a tier three public notification? Correct Ans - Has to be
given with in 2 years of learning the violation.

What is a confined space? Correct Ans - A confined space entry can
be as large as a tank, vessel, or silo.

True or false: A confined space always requires a permit to be entered.
Correct Ans - False

True or false: Employers must warn employees of the existence and
location of permit required confined spaces via e-mails and word of mouth.
Correct Ans - False

True or false: Employers must have a written program to cover permit
required confined space entry. Correct Ans - True

True or false: Training is required for all employees working in/with
Permit Required confined spaces. Correct Ans - True