According to safety regulations, how far should hazardous materials be kept from the edge of excavations?

The correct answer emphasizes the importance of maintaining a safe distance when storing hazardous materials near excavations. Keeping hazardous materials at least 2 feet away from the edge of excavations helps prevent contamination, reduces the risk of accidents, and ensures the safety of workers and the public. The 2-foot buffer zone is based on industry best practices and safety regulations that aim to mitigate risks associated with spills or the destabilization of excavated areas. This distance strikes a balance, allowing for safe handling of materials while minimizing the potential hazards that could arise from their proximity to excavation sites. Such precautions are crucial in maintaining a safe working environment and promoting overall site safety.