Environmental
What is a 'methane gas' concern at former landfill sites in Delaware?
AMethane is only a fire hazard and not a health concern
BDecomposing waste at former landfills produces methane gas, which can migrate to adjacent properties, creating explosion risks and indoor air quality problems✓ Correct
CMethane concerns only arise at active landfill sites
DMethane gas from landfills is fully contained by modern liner systems with no migration risk
Explanation
Former landfills produce methane gas from decomposing organic material. Methane can migrate through soil to adjacent properties, creating explosion hazards if it accumulates and indoor air quality problems. This is a significant environmental concern for properties near former landfills.
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