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TABLE 5.2

Summary of Results for FS-2 Source Area and CWSW Region

 

FS-2 Source Area

Location

Concentration

Concentration

Year

FS-2 Source Concentration

2,500 g/L

4,000 g/L

1930

FS-2 Unsaturated Zone

1,750 g/L

2,800 g/L

1935

Coonamessett Pond area

Saturated Groundwater Path

0.084 g/L

0.134 g/L

1952

Coonamessett Pond area

Saturated Groundwater Path

1.68 g/L

(Present day max. est.)

2.68 g/L

(Present day max. est.)

1995

Coonamessett Pond

0.032 g/L

0.051 g/L

1960

Coonamessett Pond

(3 year acc. max. estimate)

0.52 g/L

0.82 g/L

1998

Coonamessett Pond Sediment

1.3x10-5 g/cm3

2.1x10-5 g/cm3

1960

Coonamessett Pond Sediment

(based on max. pond conc.)

2.2x10-4 g/cm3

3.5x10-4 g/cm3

1998

Coonamessett River

(pond pathway)

0.032 g/L

0.051 g/L

1960

Coonamessett River

(groundwater pathway)

0.048 g/L

0.077 g/L

1952

Coonamessett River

(groundwater pathway)

0.97 g/L

(maximum estimate)

1.54 g/L

(maximum estimate)

1995

Coonamessett River Sediment

(pond pathway)

1.3x10-5 g/cm3

2.1x10-5 g/cm3

1960

Coonamessett River Sediment

(groundwater pathway)

2.1x10-5 g/cm3

3.2x10-5 g/cm3

1952

Coonamessett River Sediment

(groundwater pathway)

4.1x10-4 g/cm3

(maximum estimate)

6.5x10-4 g/cm3

(maximum estimate)

1995

Air Pathway

3.36x10-10mg/m3

5.36x10-10mg/m3

1952

Air Pathway

6.72x10-9 mg/m3

(maximum estimate)

1.072x10-8 mg/m3

(maximum estimate)

1995


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