Impacts from CCATreated Wood Within Marine and Terrestrial

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Impacts from CCA-Treated Wood Within Marine and Terrestrial Environments Funded through Florida International University

Impacts from CCA-Treated Wood Within Marine and Terrestrial Environments Funded through Florida International University National Institute for Environmental Health Sciences

Specific Aims • Evaluate the impacts of arsenic from CCA-treated wood by measuring the

Specific Aims • Evaluate the impacts of arsenic from CCA-treated wood by measuring the species of arsenic that are leached from different environmental samples. • Develop methods for arsenic speciation in the particulate phase.

Research Design and Methods • Laboratory Evaluation (Phase I) – Method Development – Leaching

Research Design and Methods • Laboratory Evaluation (Phase I) – Method Development – Leaching Experiments – Data Evaluation • Field Evaluation (Phase II) – Deck Sampling – Marine Dock Sampling – Data Evaluation

Method Development (Phase I)

Method Development (Phase I)

 • Samples Leaching Experiments (Phase I) – CCA-Treated wood (4, 9. 6, 40

• Samples Leaching Experiments (Phase I) – CCA-Treated wood (4, 9. 6, 40 kg/m 3 , weathered wood) – Untreated Southern Yellow Pine • Solvents – – – De-ionized Water Rain Water Ocean Water Simulated Rain Water (SPLP) Simulated Landfill Leachate (TCLP)

Leaching Experiments (Phase I) • Samples – CCA-Treated wood (4, 9. 6, 40 kg/m

Leaching Experiments (Phase I) • Samples – CCA-Treated wood (4, 9. 6, 40 kg/m 3 , weathered wood) – Untreated Southern Yellow Pine • Solvents – – – – – De-ionized Water Rain Water Ocean Water Simulated Rain Water (SPLP) Simulated Landfill Leachate (TCLP)

Deck Sampling (Phase II) CCA-Treated Untreated SYP

Deck Sampling (Phase II) CCA-Treated Untreated SYP

Deck Sampling (Phase II) Deck Native Soil Leachate Collection System Perforated Pipe Runoff Sampler

Deck Sampling (Phase II) Deck Native Soil Leachate Collection System Perforated Pipe Runoff Sampler

A Second Set of Deck Experiments

A Second Set of Deck Experiments

All Four Decks Complete

All Four Decks Complete

Tubs that decks will go in to catch leachate

Tubs that decks will go in to catch leachate

Marine Dock Sampling (Phase II) • Collect water, sediment & Marine Organism Samples from

Marine Dock Sampling (Phase II) • Collect water, sediment & Marine Organism Samples from CCA-Treated Docks. • Collect Controls in Near Vicinity in Areas with Minimal Impacts from CCA-Treated Wood.

Anticipated Benefits • Results can be used for environmental risk models to evaluate the

Anticipated Benefits • Results can be used for environmental risk models to evaluate the probability of human disease or other environmental outcome associated with the use or disposal of CCAtreated wood. • Expand ability to speciate environmental samples.