What regulatory requirement arises from the detection of BTEX compounds in groundwater?

The detection of BTEX compounds—benzene, toluene, ethylbenzene, and xylene—in groundwater triggers a regulatory requirement for mandatory reporting and remediation actions. This is primarily because BTEX compounds are associated with petroleum products and are known to pose significant environmental and health risks.

Upon detection, the facility must notify the appropriate environmental regulatory agency to ensure that the contamination is assessed and managed properly. The remediation process could involve investigations to determine the extent of contamination and actions to remediate the groundwater, which may include cleanup efforts to mitigate any potential impacts on public health and the environment.

This requirement reflects the regulatory commitment to protect groundwater resources and public health, aligning with the broader goals of environmental stewardship and compliance with state and federal regulations governing underground storage tanks and their potential impacts.