Environmental Compliance Inspector Inspection Procedures & Techniques 2 — Questions and Answers
Question 1: When conducting a surprise inspection at an industrial facility, what is the inspector's first obligation upon arrival?
- Begin sampling immediately before the facility can hide violations
- Present credentials and notify responsible facility personnel (Correct answer)
- Photograph the exterior before announcing presence
- Contact the regional office to confirm the inspection order
Correct answer: Present credentials and notify responsible facility personnel
Inspectors must identify themselves and present official credentials to facility management before conducting any inspection activities.
Question 2: An inspector observes a discharge pipe releasing effluent into a nearby stream but cannot access the pipe directly. What is the BEST immediate action?
- Note the observation and schedule a follow-up inspection
- Collect water samples downstream and document the observation with photos (Correct answer)
- Issue an immediate shutdown order without further documentation
- Call local law enforcement to secure the area
Correct answer: Collect water samples downstream and document the observation with photos
Collecting downstream samples and thorough photographic documentation creates enforceable evidence even when direct access to the source is unavailable.
Question 3: Which sampling technique is most appropriate when an inspector needs to capture pollutant concentration variability over an 8-hour discharge period?
- Grab sampling at the start of the shift
- Composite sampling using a flow-proportional automatic sampler (Correct answer)
- Single grab sample at peak production hours
- Visual observation without sampling
Correct answer: Composite sampling using a flow-proportional automatic sampler
Flow-proportional composite sampling collects aliquots proportional to flow rate over time, accurately representing average pollutant loading during the discharge period.
Question 4: During an inspection, a facility manager offers to provide copies of all monitoring records. The inspector should:
- Accept only documents the manager chooses to provide
- Request originals and make certified copies rather than accepting facility copies (Correct answer)
- Decline all documents to maintain impartiality
- Accept the copies and forgo reviewing original logs
Correct answer: Request originals and make certified copies rather than accepting facility copies
Inspectors should examine original records and create certified copies to ensure document integrity and prevent substitution of altered records.
Question 5: A facility's NPDES permit specifies a pH range of 6.0–9.0 for effluent. The inspector's field meter reads 9.3. What should the inspector do next?
- Issue a violation notice immediately based on the field reading
- Collect a grab sample for laboratory confirmation and document the field result (Correct answer)
- Recalibrate the meter and re-read before taking any action
- Accept the reading only if the facility's meter agrees
Correct answer: Collect a grab sample for laboratory confirmation and document the field result
Field measurements require laboratory confirmation before formal enforcement; the inspector should collect a sample and document both the field result and conditions.
Question 6: Which document is most critical for an inspector to review before entering a facility that handles acutely hazardous materials?
- The facility's marketing brochure
- The facility's emergency response plan and chemical inventory (Tier II report) (Correct answer)
- The previous inspector's personal notes
- The facility's most recent tax filing
Correct answer: The facility's emergency response plan and chemical inventory (Tier II report)
The emergency response plan and Tier II chemical inventory inform the inspector of hazards present, required PPE, and emergency contacts before entry.
Question 7: An inspector finds a floor drain in a manufacturing area that appears to discharge directly to a storm sewer. No permit authorizes this connection. This is best characterized as:
- A de minimis issue requiring only a verbal warning
- A potential illicit discharge requiring documentation, sampling, and formal notice of violation (Correct answer)
- A permit condition that the facility should self-report
- A finding that only EPA headquarters can act upon
Correct answer: A potential illicit discharge requiring documentation, sampling, and formal notice of violation
An unpermitted discharge to the storm sewer constitutes a potential Clean Water Act violation requiring formal documentation, evidence collection, and a written notice of violation.
Environmental Compliance Inspector Inspection Procedures & Techniques 2
When conducting a surprise inspection at an industrial facility, what is the inspector's first obligation upon arrival?