USDA Agricultural Research Service, Beltsville, MD Low Level Radioactive Burial Site December 2005 Decommissioning Plan

License No. 19-00915-03 US Department of Agriculture Page 58

FIGURES

Cabrera Services, Inc.

CHARACTERIZATION SURVEYBARC Low-Level Radioisotope Burial Site

forU.S. Army Operations Support Command

Beltsville, MarylandCabrera Services, Inc.

Figure 6Chloroform Groundwater Plume

0.00

0.00 1.00

0.90 0.00

5.606.00

25.00

0.00

0.001.10

2.70

1.201.20

1.00 0.002.10 0.00

1.30

0.00

1.60

4.602.60

0.00

1.00

1.20

0.00

0.00

1.90 1.601.605.90

0.00 1.40 3.10 3.00 0.00 1.40

1.60

1.10 4.60 0.00 3.80

0.005.00

8.10 5.600.00

11.00

1.20

1.50

0.00

0

3

6

9

12

15

18

21

ENTECH Geoprobe SamplesJune/July 1997

Engineering Evaluation/Cost Analysis

Concentrations (ppb)

Note: MCL = 100(Total Trihalomethanes)

BG2

E1 I1

MW2-75N

MW2-75NE

F1

E2F2MW2-75SSF1

SF3E2 E2G2 G2 I2

G2H2

MW2-75E

MW2-10E

SF5

C0

SF4 F2-83W

F2

H2

G3-100N

J2L2

N2L3

K3

J3

I3

H3

G3E3

D1B3

B4

C2 E4 G4 I4 K4

N4

K5I5

H4

G5

E5C3

H5

E6

H6

0 200 400 600 800

Scale (ft)

CHARACTERIZATION SURVEYBARC Low-Level Radioisotope Burial Site

forU.S. Army Operations Support Command

Beltsville, MarylandCabrera Services, Inc.

Figure 7Tritium Groundwater Plume

93

70 75

313 0

744652

1846

0

22378

56

4077

401 149230 0

106

132

464

74160

47

0

85

130

11

450 272913861

150 185 544 547 416 105

139

149 546 216 336

40659

1852 46279

2011

93

163

118

0

400

800

1200

1600

2000

2400

2800

3200

3600

4000

Concentrations (pCi/L)

MCL = 20,000 pCi/L

BG2

E1 I1

MW2-75N

MW2-75NE

F1

E2F2MW2-75SSF1

SF3E2 E2G2 G2 I2

G2H2

MW2-75E

MW2-10E

SF5

C0

SF4 F2-83W

F2

H2

G3-100N

J2L2

N2L3

K3

J3

I3

H3

G3E3

D1B3

B4

C2 E4 G4 I4 K4

N4

K5I5

H4

G5

E5C3

H5

E6

H6

0 200 400 600 800

ENTECH Geoprobe SamplesJune/July 1997

Engineering Evaluation/Cost Analysis

USDA Radiation Safety Officer

John Jensen

USDA/ARS Project Manager

Lori P. Miller

CABRERA Program Manager

Dave Watters

US Army FSC Project Manager

Dave Horton

CABRERA Project Manager

Kim Nelson

CABRERA Corporate Support

Paul Schwartz, CIH – S&H Manager Hank Siegrist, CHP - RSO

CABRERA SSHO

TBD

CABRERA Field Operation Lead

Joe Weismann

CABRERA Waste Broker

Wade Fillingame

Field Technicians HP Technicians

CABRERA RSM

Dave Collins