Environmental Impact
• History: DNAPLs originate from
a variety of industrial
sources including the metal, electronic, instrument
manuf i actur ng an
d aerospace id i n
dustries.
•
Typical releases into the environment have been as
a
result of:
‐ Leakage Leakage from below
‐ or above
‐ground
storage tanks
‐ Spillage from industrial industrial sites
‐ Disposal into the subsurface environment