CWEA LAB ANALYST GRADE I VOCAB Questions with Correct
Solutions
Question:
1. 40 CFR 121- 124
Answer:
The federal storm water regulations for the permitting of municipalities and industries.
Regulations define storm water terms, permitting, inspecting, and sampling measurements
Question:
2. 40 CFR 136
Answer:
The regulations for sampling preservation and analyses of water, wastewater, and solid waste
Question:
3. 40 CFR 403
Answer:
The federal regulations defining the elements of a pretreatment program, prohibited
discharges, and the approval process for establishing a pretreatment program
Question:
4. Acid
Answer:
A compound which liberates hydrogen ions and has a pH below 7
Question:
5. Alkalinity
Answer:
The measurement of a sample's capacity to neutralize acid
Question:
6. Approval Authority
Answer:
The agency determining whether a pretreatment program contains the necessary elements to
meet the intent of the Act
Question:
7. Atomic Weight
, Answer:
The sum of the number of protons and the number of neutrons in the nucleus of an atom;
atomic weights of elements are found on the periodic table
Question:
8. Base
Answer:
A compound which liberates hydroxide ions and have a pH above 7
Question:
9. Biochemical Oxygen Demands (BOD)
Answer:
The quality of oxygen utilized in the biochemical oxidation of organic matter under standard
lab procedures for 5 days at 20 °C, usually expressed as a concentration (mg/L). BOD
measurements are used to indicate the organic "strength" of wastewater
Question:
10. Biological Treament
Answer:
A waste treatment process by which bacteria and other microorganisms break down complex
organic or inorganic (ie ammonia) materials into simple, nontoxic, more stable compounds
Question:
11. Categorical Industrial User (CIU)
Answer:
An industrial user (refer to IU) that is conducting processes subject to a categorical standard
promulgated by the US EPA
Question:
12. centrifugal pumps
Answer:
pumps using centrifugal force to convey liquid. Discharge will vary according to inlet and
discharge pressure
Question:
13. Chain-of- Custody
Solutions
Question:
1. 40 CFR 121- 124
Answer:
The federal storm water regulations for the permitting of municipalities and industries.
Regulations define storm water terms, permitting, inspecting, and sampling measurements
Question:
2. 40 CFR 136
Answer:
The regulations for sampling preservation and analyses of water, wastewater, and solid waste
Question:
3. 40 CFR 403
Answer:
The federal regulations defining the elements of a pretreatment program, prohibited
discharges, and the approval process for establishing a pretreatment program
Question:
4. Acid
Answer:
A compound which liberates hydrogen ions and has a pH below 7
Question:
5. Alkalinity
Answer:
The measurement of a sample's capacity to neutralize acid
Question:
6. Approval Authority
Answer:
The agency determining whether a pretreatment program contains the necessary elements to
meet the intent of the Act
Question:
7. Atomic Weight
, Answer:
The sum of the number of protons and the number of neutrons in the nucleus of an atom;
atomic weights of elements are found on the periodic table
Question:
8. Base
Answer:
A compound which liberates hydroxide ions and have a pH above 7
Question:
9. Biochemical Oxygen Demands (BOD)
Answer:
The quality of oxygen utilized in the biochemical oxidation of organic matter under standard
lab procedures for 5 days at 20 °C, usually expressed as a concentration (mg/L). BOD
measurements are used to indicate the organic "strength" of wastewater
Question:
10. Biological Treament
Answer:
A waste treatment process by which bacteria and other microorganisms break down complex
organic or inorganic (ie ammonia) materials into simple, nontoxic, more stable compounds
Question:
11. Categorical Industrial User (CIU)
Answer:
An industrial user (refer to IU) that is conducting processes subject to a categorical standard
promulgated by the US EPA
Question:
12. centrifugal pumps
Answer:
pumps using centrifugal force to convey liquid. Discharge will vary according to inlet and
discharge pressure
Question:
13. Chain-of- Custody
