SHL_-_Barrier_Wall_-_RACR_-_Final_-_Vol_2_2013.pdf

Removal Action Completion Report – Shepley’s Hill Landfill Barrier Wall Sovereign Consulting Inc.

Final Version

APPENDIX F

Results of Off-site Laboratory Backfill Quality Control Testing

(See CD Included Separately)

Client: Moretrench American Corp.

Project: Shepley Landfill Location: Devens, MA Project No: GTX-11659 Boring ID: --- Sample ID:BFM-1 Depth : ---

Sample Type: bag Test Date: 08/20/12 Test Id: 247751

Tested By: jbr Checked By: jdt

Test Comment: --- Sample Description: Moist, olive sandy silt (soil-bentonite mix) Sample Comment: ---printed 8/24/2012 11:17:24 AM

Particle Size Analysis - ASTM D 422-63 (reapproved 2002)

0.0010.010.11101001000

P er ce nt

F in er

Grain Size (mm)

0.

in

#4

#1

#2

#4

#6

#1

#2

% Cobble

% Gravel

0.4

% Sand

47.9

% Silt & Clay Size

51.7

Sieve Name Sieve Size, mm Percent Finer Spec. Percent Complies

0.375 in #4 #10 #20 #40 #60 #100 #200

9.50 4.75 2.00 0.85 0.42 0.25 0.15 0.075

Particle Size (mm) 0.0315 0.0205 0.0123 0.0089 0.0064 0.0046 0.0033 0.0013

Percent Finer

Spec. Percent Complies

Coefficients D =0.4008 mm85 D =0.1121 mm60 D =0.0649 mm50

D =0.0183 mm30 D =0.0066 mm15 D =0.0042 mm10

C =N/Au C =N/Ac Classification

ASTM N/A

AASHTO Silty Soils (A-4 (0))

Sample/Test Description Sand/Gravel Particle Shape : --- Sand/Gravel Hardness : ---

Client: Moretrench American Corp.

Project Name: Shepley Landfill Project Location: Devens, MA

GTX #: 11659

Start Date: Tested By: ema End Date: Checked By: jdt Boring #: --- Sample #: BFM-13 Depth: --- Visual Description:

Sample Type: Remolded Permeant Fluid: De-aired Distilled water Orientation: Vertical Cell #: 9/7/14 Sample Preparation:

Height, in Diameter, in Area, in2

Volume, in3

Mass, g Bulk Density pcf

5.68

Hydraulic Conductivity of Saturated Porous Materials Using a Flexible Wall Permeameter by ASTM D 5084

Constant Volume

Initial

13.5

Test specimen compacted with moderate effort at the as-received moisture content . Trimmings moisture content = 32.6%

Final 2.38 2.69

Wet, yellowish brown clayey sand with gravel (soil-bentonite mix)

9/5/2012 9/12/2012

Parameter 2.44 2.85 6.38 15.6

Bulk Density, pcf Moisture Content, % Dry Density, pcf Degree of Saturation, %

B COEFFICIENT DETERMINATION

Cell Pressure, psi: 95.2 Pressure Increment, psi: 5.01 Sample Pressure, psi: 90.0 B Coefficient: 0.97

FLOW DATA

Trial Elapsed Time, Permeability K, Temp, Permeability K @ 20 oC, Date # Cell Sample Z1 Z2 Z1-Z2 sec Gradient cm/sec oC Rt cm/sec 9/11 2 90 85 12.0 11.8 0.2 63 25.0 1.1E-07 20 1.000 1.1E-07 9/11 3 90 85 12.0 11.8 0.2 66 25.0 1.0E-07 20 1.000 1.0E-07 9/11 4 90 85 12.0 11.8 0.2 67 25.0 1.0E-07 20 1.000 1.0E-07 9/11 5 90 85 12.0 11.8 0.2 67 25.0 1.0E-07 20 1.000 1.0E-07

Pressure, psi

31.2 94.5

20.6

124 131

PERMEABILITY AT 20o C: 1.0 x 10-7 cm/sec (@ 5 psi effective stress)

Manometer Readings