CWEA Wastewater Laboratory Analyst Certification Exam
Practice Questions (Latest 2026 Update) Questions and
Verified Answers | 100% Correct | Grade A+
The legal responsibility for insuring that the approved methods of analysis have been used
to generate data lies with:
(a) the laboratory
(b) the EPA
(c) the person who signs the DMR
(d) the state agency issuing the permit - SELECTED ANSWER 👀 C
Explanation
The ultimate responsibility for determining that the correct methods have been used and
referenced lies with the person who signs the Discharge Monitoring Report (DMR). The
signature is attestation that the signer takes all responsibility.
The approved methods of analysis under the industrial pre-treatment program are:
(a) any EPA method
(b) any method
(c) any method in Standard Methods
(d) only those methods approved by the permitting authority - SELECTED ANSWER 👀 D
Explanation
, Like the compliance monitoring analysis program, methods must be specifically approved
by the permitting authority (municipalities) under the industrial pretreatment program.
The analytical contents of the wastewater Pollutant list:
(a) are set by EPA and are constant from state to state
(b) varies from state to state
(c) are based upon section 301(a)(1) of the CWA
(d) are also what are termed characteristics of hazardous waste - SELECTED ANSWER
👀 B,C
Explanation
Section 301(a)(1) of the CWA lists regulated pollutants. Three classes are recognized: 1)
Conventional pollutants, 2) Non-conventional pollutants, and 3) Toxic pollutants. However,
individual states have the authority to set the limits as long as they are at least as strict as
the EPA limits. Accordingly, the limits vary from state to state. The characteristics of
hazardous waste are associated with RCRA.
Oil & Grease is an example of:
(a) a non-conventional pollutant
(b) a conventional pollutant
(c) a toxic pollutant
(d) a regular pollutant - SELECTED ANSWER 👀 B
Explanation
Practice Questions (Latest 2026 Update) Questions and
Verified Answers | 100% Correct | Grade A+
The legal responsibility for insuring that the approved methods of analysis have been used
to generate data lies with:
(a) the laboratory
(b) the EPA
(c) the person who signs the DMR
(d) the state agency issuing the permit - SELECTED ANSWER 👀 C
Explanation
The ultimate responsibility for determining that the correct methods have been used and
referenced lies with the person who signs the Discharge Monitoring Report (DMR). The
signature is attestation that the signer takes all responsibility.
The approved methods of analysis under the industrial pre-treatment program are:
(a) any EPA method
(b) any method
(c) any method in Standard Methods
(d) only those methods approved by the permitting authority - SELECTED ANSWER 👀 D
Explanation
, Like the compliance monitoring analysis program, methods must be specifically approved
by the permitting authority (municipalities) under the industrial pretreatment program.
The analytical contents of the wastewater Pollutant list:
(a) are set by EPA and are constant from state to state
(b) varies from state to state
(c) are based upon section 301(a)(1) of the CWA
(d) are also what are termed characteristics of hazardous waste - SELECTED ANSWER
👀 B,C
Explanation
Section 301(a)(1) of the CWA lists regulated pollutants. Three classes are recognized: 1)
Conventional pollutants, 2) Non-conventional pollutants, and 3) Toxic pollutants. However,
individual states have the authority to set the limits as long as they are at least as strict as
the EPA limits. Accordingly, the limits vary from state to state. The characteristics of
hazardous waste are associated with RCRA.
Oil & Grease is an example of:
(a) a non-conventional pollutant
(b) a conventional pollutant
(c) a toxic pollutant
(d) a regular pollutant - SELECTED ANSWER 👀 B
Explanation
