A contractor discovers asbestos-containing materials during a renovation project in Wilmington. According to NC environmental regulations, work involving more than what square footage of asbestos requires notification to NCDEQ?
Correct Answer
D) 260 square feet
NC environmental regulations require notification to NCDEQ for asbestos removal projects involving more than 260 square feet of asbestos-containing material.
Why This Is the Correct Answer
NC environmental regulations set the NCDEQ notification threshold at 260 square feet of asbestos-containing material (ACM). This specific figure aligns with EPA/NESHAP standards that NC has adopted. When a renovation or demolition project will disturb more than 260 square feet of ACM, the contractor must notify the NC Department of Environmental Quality before proceeding.
Why the Other Options Are Wrong
Option A: 160 square feet
Option A ('160 square feet') is incorrect. While 160 square feet may seem like a reasonable threshold, it is not the regulatory trigger under NC/NESHAP standards. The correct threshold is 260 square feet.
Option B: 500 square feet
Option B ('500 square feet') is incorrect. This threshold is higher than the actual requirement, meaning contractors using this figure would fail to notify NCDEQ when legally required. Using too high a threshold creates regulatory violations.
Option C: 100 square feet
Option C ('100 square feet') is incorrect. This is lower than the actual threshold. While being overly cautious in practice might not be harmful, 100 square feet is not the legally mandated notification trigger under NC regulations.
Memory Technique
Remember '260' by thinking of 260 days — close to a standard school year (about 9 months). Asbestos notification kicks in after a 'school year's worth' of square feet. Or picture a 13×20 foot room (260 sq ft) as the trigger point.
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