2002 Arsenic Analysis of Groundwater at

Florida C&D Landfills

Bernine KhanUniversity of Miami

• 1998-2000 – Many C&D landfills in Florida showing arsenic hits

• To determine if hits may be attributed to CCA-treated wood

disposal

• Groundwater from C&D landfills in Florida were collected

Groundwater at Florida C&D Landfills

Groundwater Samples

• 15 Counties throughout Florida

• 26 C&D landfills - 18 completed - 4 pending - 4 enforcement action

• At each landfill – 1 Background & 2 Compliance and/or Detection wells

• Total of 56 wells

0

0.01

0.02

0.03

0.04

0.05

0.06

0.071 5 9 13 17 21 25 29 33 37 41 45 49 53

Total

As C

once

ntrati

on (m

g/L)

Total Arsenic Analysis(mg/L)

All species observed at very low concentration

BQL

0.07

0.06

0.05

0.04

0.03

0.02

0.01

0

BackgroundCompliance /Detection

??Questions?