EnvironmentalIntermediateNorth Carolina Exam

Which environmental issue is particularly relevant to properties near former dry-cleaning operations in NC urban areas?

ARadon
BLead paint
CChlorinated solvents (PCE/TCE) contaminating soil and groundwaterCorrect
DAgricultural pesticide runoff, which is the standard approach used

Why Chlorinated solvents (PCE/TCE) contaminating soil and groundwater Is Correct

Answer C: Chlorinated solvents (PCE/TCE) contaminating soil and groundwater

Dry cleaners historically used chlorinated solvents such as tetrachloroethene (PCE) and trichloroethene (TCE). The EPA document says DNAPLs, which consist of compounds such as chlorinated solvents, tend to sink in the subsurface and continue to release dissolved contaminants to surrounding media for an extended period. It lists dry cleaners among the sites where significant quantities of DNAPLs are present. Radon, lead paint and pesticide runoff are different issues.

Source: EPA, DNAPL Remediation: Selected Projects Approaching Regulatory Closure

Exam Tip: Environmental

Environmental questions test knowledge of hazards like asbestos, lead-based paint, radon, and mold. Know the disclosure requirements and when a professional inspection is required. CERCLA liability is strict, joint, and several.

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