07.23_Exhibit_1_Available_Geotechnical_Information_Wormley_Creek.pdf

Table 1-1. Sediment Sampling Locations and Analytical Sample IDs Wormley Creek Channel (December 2014)

Target Coordinates

Virginia South State Plane, NAD83 Northing* Easting*

Wormley Creek Channel - Sediment

WCC-01 3.5 3607633 12070991 WCC-01-SS-M WCC-01-SS-NW WCC-01-EL-M WCC-01-EL-NW

WCC-02 4.7 3607849 12071705 WCC-02-SS-M WCC-02-SS-NW WCC-02-EL-M -

WCC-03 5.3 3607393 12073023 WCC-03-SS-M WCC-03-SS-NW WCC-03-EL-M WCC-03-EL-NW

WCC-04 4.8 3607915 12074032 WCC-04-SS-M WCC-04-SS-NW WCC-04-EL-M WCC-04-EL-NW

WCC-05 4.8 3609653 12074916 WCC-05-SS-M WCC-05-SS-NW WCC-05-EL-M -

Wormley Creek Channel - Site Water

WCC-SW 5.5 3607395 12073177 - - - -

* - coordinates in U.S. Survey feet *Site water/elutriate preparation water was collected from one designated location at mid-depth of the water column.

Location

Water Depth (ft

MLLW)

Sediment Chemistry ID Maintenance

Sediment Chemistry ID

New Work Standard Elutriate

ID Maintenance

Standard Elutriate ID New

Work

WORMLEY CREEK CHANNEL, YORKTOWN, VIRGINIA (DECEMBER 2014)

Northing Easting

1 12/2/2014 0836 4.7

2 12/2/2014 4.9

3 12/2/2014 5.3

4 12/2/2014 6.0

5 12/2/2014 5.3

6 12/2/2014 5.0

7 12/2/2014 5.0

1 12/2/2014 1130 4.2

2 12/2/2014 3.9

3 12/2/2014 3.9

4 12/2/2014 3.9

1 12/2/2014 1455 5.0

2 12/2/2014 5.2

3 12/2/2014 5.2

4 12/2/2014 4.3

1 12/3/2014 1025 4.3

2 12/3/2014 3.5

3 12/3/2014 4.5

4 12/3/2014 4.5

1 12/3/2014 1405 2.7

2 12/3/2014 4.2

3 12/3/2014 4.3

4 12/3/2014 0.9

5 12/3/2014 0.9

6 12/3/2014 0.9

WCC-SW 3607395 12073177 5.5 -- -- -- 12/3/2014 0800 --

TABLE 2-1. SEDIMENT RECOVERY INFORMATION

Location ID Number of

Cores Collected Sediment Target

Depth (ft) Core

Number Date Time

Sediment Recovery Depth (ft)Virginia South State Plane NAD83, U.S.

Survey Feet

Actual Water

Depth (ft)

3.5

WCC-02 3607849 12071705 4.7

5.2

WCC-01 3607633 12070991 7 6.5

4 5.3

WCC-03 3607393 12073023 5.3 4 4.7

WCC-04

WCC-05 3609653 12074916 4.8 6

3607915 12074032 4.8 4 5.2

H&H 1 - Soil Borings and Grain Size Analysis

SOIL BORINGS

Date and Time: 12/2/2014 8:36 Total Depth of Boring: 6.4' Depth to Groundwater: NA Geologist/Scientist: M. Bruzzesi

D. Barns

Depth PID USCS

1 1 WCC-01-SS-M 0.0

5 1 WCC-01-SS-NW 0.0

Coordinates:

Survey Data: Raw 6', Gauge 2.4', Corrected 3.6', Target/Push 14' (-7' for Maintenace and -10 for New Work)

7 vibracore samples collected. Vibracores were pushed ~ 6.4' into the sediment with recoveries of 4.7', 4.9', 5.25', 6.0', 5.3', 5', and 5'. Upper 50% of cores were composited to create maintenace sample WCC-01-SS-M (and MS/MSD sample) and lower 50% new work sample WCC-01-SS-NW

4'-6.4' NEW WORK - Dark gray SILT and CLAY (a little stiffer than 0'-3.4').

Strong "swampy" odor.

Borehole Diameter: 3-inch 2181 Berryville Pike, Charles Town, WV 25414 Sample Description Notes

0'-3.2' MAINTENANCE - Dark gray loose SILT and

CLAY.

Strong "swampy" odor.

Sampling Equipment: Crane-Mounted A-Zone Environmental Services, LLC

Boring Number: WCC-01 Page 1 of 1 Location: Wormley Creek

Site Address:

USCG

Yorktown, VA

Project Number: 91236.019 Drill Rig Type: Vibracore Driller:

Blow Counts: 0'2'-WOR; 2'-4'-WOR; 4'-6'-WOR; 6'-8'-WHO; 8'-10'-

WHO; 10'-12'-WOH.

--------------------(21)---------------------

Date and Time: 12/2/2014 11:30 Total Depth of Boring: 5.3' Depth to Groundwater: NA Geologist/Scientist: M. Bruzzesi

D. Barns

Depth PID USCS

1 1 WCC-02-SS-M 0.0

3 1 WCC-02-SS-NW 0.0

Sampling Equipment: Crane-Mounted A-Zone Environmental Services, LLC

Boring Number: WCC-02 Page 1 of 1 Location: Wormley Creek

Site Address:

USCG

Yorktown, VA

Project Number: 91236.019 Drill Rig Type: Vibracore Driller:

Borehole Diameter: 3-inch 2181 Berryville Pike, Charles Town, WV 25414 Sample Description Notes

0'-1.75' MAINTENANCE - Dark gray loose SILT and

CLAY.

"Swampy" odor.

1.75'-5.3' NEW WORK - Dark gray SILT and CLAY (a little stiffer than 0'-2').

Faint "swampy" odor.

4 vibracore samples collected. Vibracores were pushed ~ 6' into the sediment with recoveries of 3.2', 3.9', 3.9', and 3.9'. Upper 33% of cores were composited to create maintenace sample WCC-02-SS-M and lower 66% new work sample WCC-02-SS-NW.

Survey Data: Raw 5.8', Gauge 1.1', Corrected 4.7', Target/Push 12' (-7' for Maintenace and -10 for New Work)

Coordinates:

Blow Counts: 0'2'-WOR; 2'-4'-WOR; 4'-6'-WOR; 6'-8'-WHO; 8'-10'-

WOH.

--------------------(22)---------------------

Date and Time: 12/2/2014 14:55 Total Depth of Boring: 4.7' Depth to Groundwater: NA Geologist/Scientist: M. Bruzzesi

D. Barns

Depth PID USCS

1 1 WCC-03-SS-M 0.0

3 1 WCC-03-SS-NW 0.0

Sampling Equipment: Crane-Mounted A-Zone Environmental Services, LLC

Boring Number: WCC-03 Page 1 of 1 Location: Wormley Creek

Site Address:

USCG

Yorktown, VA

Project Number: 91236.019 Drill Rig Type: Vibracore Driller:

Borehole Diameter: 3-inch 2181 Berryville Pike, Charles Town, WV 25414 Sample Description Notes

0'-1.6' MAINTENANCE - Pale brown and gray SILT and CLAY with little F. SAND and very little to no M. SAND.

Faint "swampy" odor.

Faint "swampy" odor.1.6'-4.7' NEW WORK - Pale brown and gray SILT and CLAY with little F. SAND and very little to no M. SAND (a little stiffer than 0'-2').

4 vibracore samples collected. Vibracores were pushed ~ 6' into the sediment with recoveries of 5', 5.2', 5.2', and 4.3'. Upper 33% of cores were composited to create maintenace sample WCC-03-SS-M and lower 66% new work sample WCC-03-SS-NW (and field duplicate

WCC-SS-FD1)

Survey Data: Raw 7.2', Gauge 1.9', Corrected 5.3', Target/Push 13' (-7' for Maintenace and -10 for New Work)

Coordinates:

Blow Counts: 0'2'-WOR; 2'-4'-1,2,3,2; 4'-6'-2,1,2,1; 6'-8'-2,1,2,1; 8'-10'- 2,2,2,3.

--------------------(23)---------------------

Date and Time: 12/3/2014 14:55 Total Depth of Boring: 8.2' Depth to Groundwater: NA Geologist/Scientist: M. Bruzzesi

D. Barns

Depth PID USCS

1 1 WCC-04-SS-M 0.0

6 1 WCC-04-SS-NW 0.0

Sampling Equipment: Crane-Mounted A-Zone Environmental Services, LLC

Boring Number: WCC-04 Page 1 of 1 Location: Wormley Creek

Site Address:

USCG

Yorktown, VA

Project Number: 91236.019 Drill Rig Type: Vibracore Driller:

Strong "swampy" odor.

Borehole Diameter: 3-inch 2181 Berryville Pike, Charles Town, WV 25414 Sample Description Notes

0'-5.4' MAINTENANCE - Gray F. SAND with little SILT and CLAY and minor organics.

Strong "swampy" odor.

4 vibracore samples collected. Vibracores were pushed ~ 6' into the sediment with recoveries of 4.25', 3.5', 4.5', and 4'. Upper 66% of cores were composited to create maintenace sample WCC-04-SS-M and lower 33% new work sample WCC-04-SS-NW (and field duplicate

WCC-SS-FD1)

Survey Data: Raw 3.7', Gauge 1.9', Corrected 1.8', Target/Push 12' (-7' for Maintenace and -10 for New Work)

Blow Counts: 0'2'-WOH; 2'-4'-1,1,1,0; 4'-6'-WOH; 6'-8'-1,1,2,3; 8'-10'- 1,1,2,1.

Coordinates:

5.4'-8.2' NEW WORK - Gray F. SAND with very little to no SILT.

--------------------(24)---------------------

Date and Time: 12/3/2014 14:05 Total Depth of Boring: 5.2' Depth to Groundwater: NA Geologist/Scientist: M. Bruzzesi

D. Barns

Depth PID USCS

1 1 WCC-05-SS-M 0.0

3 1 WCC-05-SS-NW 0.0

Sampling Equipment: Crane-Mounted A-Zone Environmental Services, LLC

Boring Number: WCC-05 Page 1 of 1 Location: Wormley Creek

Site Address:

USCG

Yorktown, VA

Project Number: 91236.019 Drill Rig Type: Vibracore Driller:

Borehole Diameter: 3-inch 2181 Berryville Pike, Charles Town, WV 25414 Sample Description Notes

0'-1.7' MAINTENANCE - Gray F. SAND with little M.

SAND and very little SILT and CLAY. Some seashell fragments and very little organics.

"Swampy" odor.

Faint "swampy" odor.1.7'-5.2' NEW WORK - Gray F. SAND with little M.

SAND and very little to no SILT. Lower 6" more SILT and CLAY.

6 vibracore samples collected. Vibracores were pushed ~ 6' into the sediment with recoveries of 2.67', 4.13', 4.33', 0.9', 0.9', and 0.9'.

Upper 33% of cores were composited to create maintenace sample WCC-05-SS-M and lower 66% new work sample WCC-05-SS-NW.

Survey Data: Raw 5.9', Gauge 1.1', Corrected 4.8', Target/Push 11' (-7' for Maintenace and -10 for New Work)

Blow Counts: 0'2'-WOH; 2'-4'-WOH; 4'-6'-1,1,2,1; 6'-8'-2,1,1,2; 8'-10'- 3,3,2,3; 10'-12'-2,3,3,4.

Coordinates:

--------------------(25)---------------------

ANALYTE UNITS WCC-01-SS-M WCC-01-SS-NW WCC-02-SS-M WCC-02-SS-NW WCC-03-SS-M WCC-03-SS-NW WCC-04-SS-M WCC-04-SS-NW WCC-05-SS-M WCC-05-SS-NW

GRAIN SIZE ASTM D422

Sieve Size 3 inch (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Sieve Size 2 inch (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Sieve Size 1.5 inch (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Sieve Size 1 inch (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Sieve Size 0.75 inch (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0

Sieve Size 0.375 inch (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 98.9

Sieve Size #4 (Percent Finer) % 100.0 100.0 100.0 100.0 100.0 99.8 99.2 99.6 100.0 96.2

Sieve Size #10 (Percent Finer) % 100.0 100.0 99.4 100.0 99.8 99.4 96.7 99.0 99.4 93.2

Sieve Size #20 (Percent Finer) % 99.9 99.4 99.0 99.7 96.0 99.1 96.3 98.7 99.2 91.0

Sieve Size #40 (Percent Finer) % 99.7 98.9 98.7 99.4 91.7 98.6 95.6 97.8 98.8 88.6

Sieve Size #60 (Percent Finer) % 99.3 98.1 98.3 98.8 89.0 98.2 94.4 95.6 97.8 86.2

Sieve Size #80 (Percent Finer) % 99.0 96.6 98.0 97.8 86.0 97.3 92.2 91.8 93.2 82.1

Sieve Size #100 (Percent Finer) % 98.5 93.7 97.7 95.7 70.0 87.2 81.1 65.2 54.6 57.5

Sieve Size #200 (Percent Finer) % 97.0 90.5 95.9 89.8 24.0 31.2 14.6 11.3 8.5 15.4

Hydrometer Reading 1 (Percent Finer) % 68.8 68.7 81.8 68.4 17.0 21.2 11.4 7.8 6.4 10.4

Hydrometer Reading 2 (Percent Finer) % 49.0 52.6 54.7 51.4 13.3 18.3 9.0 7.8 4.4 8.8

Hydrometer Reading 3 (Percent Finer) % 39.1 47.6 42.4 45.1 11.4 16.3 7.7 7.0 4.4 8.1

Hydrometer Reading 4 (Percent Finer) % 35.8 42.6 32.6 40.8 10.5 15.4 6.5 5.8 3.8 7.7

Hydrometer Reading 5 (Percent Finer) % 30.3 37.6 27.7 35.5 9.6 13.5 5.9 5.0 3.3 5.8

Hydrometer Reading 6 (Percent Finer) % 23.4 30.3 22.4 28.9 7.6 10.5 4.5 3.4 2.7 4.9

Hydrometer Reading 7 (Percent Finer) % 17.3 19.8 16.9 19.9 5.5 8.1 3.6 2.6 1.9 3.8

GRAVEL % 0 0 0 0 0 0.2 0.8 0.4 0 3.8

COARSE SAND % 0 0 0.6 0 0.2 0.4 2.5 0.6 0.6 3

MEDIUM SAND % 0.3 1.1 0.7 0.6 8.1 0.8 1.1 1.2 0.6 4.6

FINE SAND % 2.7 8.4 2.8 9.6 67.7 67.4 81 86.5 90.3 73.2

SILT % 66.7 52.9 68.2 54.3 14.4 17.7 8.7 6.3 5.1 9.6

CLAY % 30.3 37.6 27.7 35.5 9.6 13.5 5.9 5 3.3 5.8

SILT+CLAY % 97 90.5 95.9 89.8 24 31.2 14.6 11.3 8.4 15.4

SANDS % 3 9.5 4.1 10.2 76 68.8 85.4 88.7 91.6 84.6

TOTAL ORGANIC CARBON (Lloyd Kahn)

TOC MG/KG 25000 19000 29000 22000 8300 3400 9400 6100 5400 5800

TOC % 2.5 1.9 2.9 2.2 0.83 0.34 0.94 0.61 0.54 0.58

PERCENT SOLIDS (ASTM D2216)

PERCENT SOLIDS % 100 45 33 45 71 73 65 75 72 68

TABLE #. PHYSICAL CHARACTERISTICS OF SEDIMENT

WORMLEY CREEK CHANNEL, YORKTOWN, VIRGINIA (DECEMBER 2014)

WORMLEY CREEK CHANNEL

MAINTENANCE (SEDIMENT SURFACE TO -7 FT) AND NEW WORK (-7 FT TO -10 FT) SEDIMENTS

------------------------(26)------------------------

Wormley Creek Maintenance Dredge Material

0.0010.010.1110100

D30

7.0

7.0

7.0

7.0

7.0

16 20 30

D60

40 501.5

3.0

4.1

76.0

84.6

91.5

4.75

4.75

9.5

4.75

0.082

0.088

0.104 0.077

D100

6 810 14

Specimen Identification

Specimen Identification

Classification

D10

41 3/4 1/23/8 3

%Gravel %Sand %Silt %Clay

WCC-01-SS-M

WCC-02-SS-M

WCC-03-SS-M

WCC-04-SS-M

WCC-05-SS-M

100 1403 2 60 fine

HYDROMETERU.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS

97.0

95.9

24.0

14.6

8.5

0.129

0.12

0.154

D50 7.0

7.0

7.0

7.0

7.0

CuPI Cc

GRAIN SIZE DISTRIBUTION

GRAIN SIZE IN MILLIMETERS

P E

R C

E N

T F

IN

E

R B

Y W

E

IG

H T

COBBLES

GRAVEL SAND

SILT OR CLAY

WCC-01-SS-M

WCC-02-SS-M

WCC-03-SS-M

WCC-04-SS-M

WCC-05-SS-M

LL PL

2.00

0.0

0.0

0.0

0.8

0.0

0.91 coarse fine coarse medium

0.111

0.108

0.14

Project: Wormley Creek

Location: Yorktown Virginia

Number:

U.S. Army Corps of Engineers Norfolk District 803 Front Street Norfolk, VA 23510 Telephone: 757 201-7500

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Typewritten Text

WORMLEY CREEK - MAINTENANCE MATERIAL

Wormley Creek New Work Dredge Material

0.0010.010.1110100

D30

10.0

10.0

10.0

10.0

10.0

16 20 30

D60

40 501.5

9.5

10.2

68.6

88.3

80.8

9.5

9.5

0.095

0.095

D100

6 810 14

Specimen Identification

Specimen Identification

Classification

D10

41 3/4 1/23/8 3

%Gravel %Sand %Silt %Clay

WCC-01-SS-NW

WCC-02-SS-NW

WCC-03-SS-NW

WCC-04-SS-NW

WCC-05-SS-NW

100 1403 2 60 fine

HYDROMETERU.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS

90.5

89.8

31.2

11.3

15.4

0.107

0.14

0.153

D50 10.0

10.0

10.0

10.0

10.0

CuPI Cc

GRAIN SIZE DISTRIBUTION

GRAIN SIZE IN MILLIMETERS

P E

R C

E N

T F

IN

E

R B

Y W

E

IG

H T

COBBLES

GRAVEL SAND

SILT OR CLAY

WCC-01-SS-NW

WCC-02-SS-NW

WCC-03-SS-NW

WCC-04-SS-NW

WCC-05-SS-NW

LL PL

1.90

0.0

0.0

0.2

0.4

3.8

0.88 coarse fine coarse medium

0.095

0.123

0.133

Project: Wormley Creek

Location: Yorktown Virginia

Number:

U.S. Army Corps of Engineers Norfolk District 803 Front Street Norfolk, VA 23510 Telephone: 757 201-7500

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WORMLEY CREEK - NEW WORK MATERIAL

Wormley Creek Shoreline Material

0.0010.010.1110100

D30

0.5

0.5

0.8

0.5

16 20 30

D60

40 501.5

97.5

99.6

99.3

99.4

9.5

9.5

9.5

9.5

0.308

0.252

0.251

0.379

0.197

0.188

0.185

0.181

D100

6 810 14

Specimen Identification

Specimen Identification

Classification

D10

41 3/4 1/23/8 3

%Gravel %Sand %Silt %Clay

WC-01

WC-02

WC-02

WC-03

100 1403 2 60 fine

HYDROMETERU.S. SIEVE OPENING IN INCHES U.S. SIEVE NUMBERS

POORLY GRADED SAND(SP)

POORLY GRADED SAND(SP)

POORLY GRADED SAND(SP)

POORLY GRADED SAND(SP)

NP

NP

NP

NP

NP

NP

NP

NP

NP

NP

NP

NP

0.5

0.2

0.6

0.4

0.435

0.352

0.355

0.621

D50 0.5

0.5

0.8

0.5

CuPI Cc

GRAIN SIZE DISTRIBUTION

GRAIN SIZE IN MILLIMETERS

P E

R C

E N

T F

IN

E

R B

Y W

E

IG

H T

COBBLES

GRAVEL SAND

SILT OR CLAY

WC-01

WC-02

WC-02

WC-03

LL PL

2.21

1.87

1.92

3.44

0.9

0.2

0.1

0.2

1.10

0.96

0.96

1.28 coarse fine coarse medium

0.387

0.313

0.314

0.538

Project: Wormley Creek

Location: Yorktown Virginia

Number:

U.S. Army Corps of Engineers Norfolk District 803 Front Street Norfolk, VA 23510 Telephone: 757 201-7500

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WORMLEY CREEK - SHORELINE MATERIAL

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