FS-9 Source Area

Location

Concentration

Concentration

Year

FS-9 Source Concentration

2,500 µg/L

4,000 µg/L

1930

FS-9 Unsaturated Zone

1,750 µg/L

2,800 µg/L

1935

Coonamessett Pond area

Saturated Groundwater Path

0.084 µg/L

0.134 µg/L

1979

Coonamessett Pond

0.032 µg/L

0.051 µg/L

1987

Coonamessett Pond Sediment

1.3x10^-5 µg/cm³

2.1x10^-5 µg/cm³

1987

Coonamessett River

(pond pathway)

0.032 µg/L

0.051 µg/L

1987

Coonamessett River

(groundwater pathway)

0.048 µg/L

0.077 µg/L

1979

Coonamessett River Sediment

(pond pathway)

1.3x10^-5 µg/cm³

2.1x10^-5 µg/cm³

1987

Coonamessett River Sediment

(groundwater pathway)

2.1x10^-5 µg/cm³

3.2x10^-5 µg/cm³

1979

Air Pathway

3.36x10^-10mg/m³

5.36x10^-10mg/m³

1979