A contractor performing excavation work in Greensboro encounters suspected contaminated soil with a petroleum odor. Under NC environmental regulations, what is the required immediate response?
Correct Answer
D) Stop work immediately and contact NCDEQ within 24 hours
NC environmental regulations require immediate work stoppage and notification to NCDEQ within 24 hours when contaminated soil is suspected or discovered.
Why This Is the Correct Answer
NC environmental regulations require that when a contractor suspects contaminated soil (e.g., petroleum odor), work must stop immediately and the NC Department of Environmental Quality (NCDEQ) must be notified within 24 hours. Continuing work risks spreading contamination and increases legal liability.
Why the Other Options Are Wrong
Option A: Cover the area and complete work in other areas
Covering the area and continuing work elsewhere is illegal — it conceals suspected contamination and does not satisfy the mandatory stop-work and notification requirements.
Option B: Remove the soil to an approved disposal facility
Removing soil without regulatory authorization is itself a violation. Contaminated soil removal requires NCDEQ approval, a disposal plan, and licensed hazmat handling — you cannot simply haul it away.
Option C: Document with photos and continue excavation
Documenting with photos is good practice but is not a substitute for stopping work. Continuing excavation after detecting contamination increases the footprint of disturbance and worsens regulatory exposure.
Memory Technique
STOP and CALL: Stop work — petroleum smell means possible contamination. Call NCDEQ — 24-hour clock starts the moment you suspect it. Think 'smell it, stop it, report it.'
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