arsenic mass balance: florida. purpose determine the relative magnitude of arsenic from cca-treated...
TRANSCRIPT
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Arsenic Mass Balance: Florida
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Purpose
Determine the relative magnitude of arsenic from CCA-treated wood versus the amounts from other arsenic sources
Evaluate arsenic inputs, outputs, and reservoirs
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Inputs CCA-treated Wood MSMA (Monosodium Methylarsonate)
a Herbicide/Pesticide Coal and Petroleum Biosolids from Wastewater Treatment Fish and Shellfish Rainfall and Rivers
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Outputs Fertilizer Air Emissions from Incinerator Facilities Treated Wastewater River Outflow
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Reservoirs CCA-treated Wood Groundwater Surface Water Surface Soil Specific Contaminated Areas?
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Preliminary Results to Date
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InputsConc. Metric tons As/yr
CCA-Treated Wood
3,300 mg/kg 1,600
MSMA
Agriculture
Golf Courses
9
Coal 4.4 mg/kg 110
Petroleum 0.10 mg/kg 5
Biosolids 5.9 mg/kg 5
Fish 5.7 mg/kg 0.2
Shellfish 6.5 mg/kg 0.4
Rainwater 0.13 ug/L 15
Rivers 3.0 ug/L 68
Filled Boxes Need to Be Checked
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Outputs
Filled Boxes Need to Be Checked
Conc. Metric tons As/yr
Fertilizer 7 mg/kg 200
Incinerator Emissions
Treated Wastewater
2.1 ug/L
River Outflow 3.0 ug/L 130
CCA Input 3300 mg/kg 1600
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ReservoirsConc. Metric tons As
CCA-Treated Wood
3,300 mg/kg
Leachate: 5000 ug/L
31,400
Groundwater 2.0 ug/L 3,150
Surface Water 3.6 ug/L 113
Surface Soil, 1” 0.42 mg/kg 2,500
Golf Courses 69 mg/kg 3,900
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Questions?