Risk Assessment and Moni toring for Environmental C

hemicals

SURIN AREE Environmental Scientist

Thailand

Treatment Technologies Secure Landfill

Drums containing chemicals solution were damaged at Hua Hin Airport

Resulted to soil contamination Dioxins, pesticides, arsenic and Dicamba w

ere identified Contaminated soil was contained on-site b

y excavation and placing in secure landfill

My Experience on Risk Assessment and Monitoring Environmental Chemicals

Establish Groundwater and Soil Quality Standards Groundwater quality standard become the re

gulation in October 2000 The limitations of VOCs, heavy metals, pesti

cides and others [CN-, PCBs, benzo(a)pyrene]

Soil quality standard is on the process to be a legislation

My Experience on Risk Assessment and Monitoring Environmental Chemicals (continued)

Monitor Chemical Contaminants Leaching from Municipal Landfills Groundwater in monitoring wells was collec

ted, analyzed, and compared to groundwater standard for drinking purposes

Parameters analyzed: heavy metals

My Experience on Risk Assessment and Monitoring Environmental Chemicals (continued)

Develop Contaminated Site Management Guidelines