FREE Environmental Compliance Inspector Water Quality Compliance Questions and Answers Flashcards
6 cards from real Environmental Compliance Inspector practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 FREE Environmental Compliance Inspector Water Quality Compliance Questions and Answers flashcards as text
What is the purpose of whole effluent toxicity (WET) testing in water quality compliance?
Answer: To assess the aggregate toxic effect of an effluent on aquatic organisms
WET testing uses living organisms to evaluate the combined toxic effects of all pollutants present in an effluent discharge.
Under federal regulations, how long must a permitted facility retain records of monitoring information?
Answer: Three years
Federal NPDES regulations at 40 CFR 122.41 require facilities to retain monitoring records for a minimum of three years, though this period may be extended.
What is a sanitary sewer overflow (SSO) and why is it a compliance concern?
Answer: An unintentional discharge of untreated sewage from a sanitary sewer system
An SSO is an unintentional release of untreated or partially treated sewage from a sanitary sewer system, which violates Clean Water Act requirements.
Which of the following is considered a toxic pollutant under Section 307(a) of the Clean Water Act?
Answer: Mercury
Mercury is one of the 126 priority toxic pollutants listed under Section 307(a) of the Clean Water Act.
What is the purpose of an anti-degradation policy in water quality management?
Answer: To ensure that existing water quality is maintained and protected where it exceeds minimum standards
Anti-degradation policies protect existing water quality by preventing unnecessary lowering of water quality in waters that currently exceed minimum standards.
During a facility inspection, what is the primary purpose of reviewing a facility's Standard Operating Procedures (SOPs) for sample collection?
Answer: To ensure samples are collected using approved methods that produce legally defensible data
Reviewing SOPs ensures that sample collection follows EPA-approved methods, producing data that is accurate, representative, and legally defensible.