MOISTURE DENSITY TEST DATA Client: City and County of Berthoud Project: Berthoud County Landfill Expansion Project Number: 93X4123.4 Location: B-3 Depth: 0-5' Sample Number: S-1 Description: Light brown sandy gravel - some +3 material AASHTO: A-4(0) Test Data and Results For Curve C-15 Test Specification: Type of Test: AASHTO T 180-01 Method B Modified Mold Dia: 6.00 Hammer Wt.: 10 lb. Drop: 18 in. Layers: five Blows per Layer: 56 Point No. Wt. M+S

127.5 ZAV SpG 2.65

Wt. M Wt. W+T

125

Wt. D+T Tare

120

Dry Density, pcf

122.5

Moist. Dry Den.

1

2

3

4

5

6

17.5 8.2 652.20 628.40 90.30 4.4 118.1

18.1 8.2 776.60 726.60 80.50 7.7 122.4

18.3 8.2 900.80 832.90 87.30 9.1 123.8

18.7 8.2 635.80 582.50 102.20 11.1 126.3

18.8 8.2 827.40 746.60 110.30 12.7 124.7

18.6 8.2 842.90 755.10 105.80 13.5 121.4

117.5

Moisture Content, %

115 2.5

5

7.5

10

12.5

15

17.5

Rock Corrected Results: Uncorrected Results:

Max. Dry Den.= 133 pcf Opt. Moist.= 10% Max. Dry Den.= 126 pcf Opt. Moist.= 11%

Rock Correction Data: Correction Method: AASHTO T 224-01 Percentage of Oversize Material (%> #4): 81

Bulk Specific Gravity of Oversize Material: 2.7

Oversize Material Moisture Content: 4 Note: the rock correction was applied to the calculated max. density and opt. moisture values.

ALV Engineers

140

COMPACTION TEST REPORT DATE: 2007-10-28 PROJECT NO.: P91003-24 PROJECT: Berthoud County Landfill Expansion

130

Test specification: AASHTO T 99-01 Method D Standard Oversize correction applied to final results

These results are for the exclusive use of the client for whom they were obtained. They apply only to the samples tested and are not indicitive of apparently identical samples.

Dry density, pcf

120

100% SATURATION CURVES FOR SPEC. GRAV. EQUAL TO: 2.8 2.7 2.6

110

100

90

80

70

0

5

10

15

20

25

30

35

40

Water content, % No. C-281 C-294 C-301 C-314 C-321 No. C-281 C-294 C-301 C-314 C-321

Tested By:

LOCATION AND DESCRIPTION Sample Source: Boring B-2 Depth: 0-5' Sample No.: S-1 Dark Brown Sandy Lean Clay w/ Organics & Rubble Sample Source: Boring B-2 Depth: 5-10' Sample No.: S-2 Dark Gray Sandy Clay Loam Trace Gravel (Till) Sample Source: Boring B-2 Depth: 10-15' Sample No.: S-3 Grayish Brown Sandy Loam (Alluvium) Sample Source: TP-2 Depth: 0-2.5 Sample No.: S-1 Gray Brown Sandy Clay (Topsoil) Sample Source: Boring B-4 Depth: 5-10' Sample No.: S-2 Dark Brown Silty Lean Clay USCS CL CL CL CL CL

LL 52 40 NV 34 41

PI NAT. MOIST. 32 34 25 5.7 NP N/A 20 29 16 28

REMARKS T-112=0.0% SE=89 Soundness= 3.8% T-96=27% T-104=2.8% T-96=23 Soundness=2.8% T-112= 0.0 T-96=23 Soundness=2.8% T-112= 0.0 SE=82 T-112=2.945

OVERSIZE %>3/4 in.=12.4 %>3/4 in.=90.0 %>3/4 in.=88.0

%< No.200 4.9 % 15 % 14 %

MAX. DRY DEN. 126.3 162.5 161.3

OPT. MOIST. 8.3 % 8.6 % 7.3 %

%>3/4 in.=95.0

12 %

164.2

15.8 % Figure

ALV Engineers

ALV

ALV

ALV

ALV

ERK Checked By: ERK

[5 tests] 5-Curve Report (PR5CURVE)

F-22

140

COMPACTION TEST REPORT DATE: 2007-10-28 PROJECT NO.: P91003-24 PROJECT: Berthoud County Landfill Expansion

130

These results are for the exclusive use of the client for whom they were obtained. They apply only to the samples tested and are not indicitive of apparently identical samples.

Dry density, pcf

120

100% SATURATION CURVES FOR SPEC. GRAV. EQUAL TO: 2.8 2.7 2.6

110

100

90

80

70

0

5

10

15

20

25

30

35

40

Water content, % No. C-281 C-294 C-301 C-314 C-321 No. C-281 C-294 C-301 C-314 C-321

LOCATION AND DESCRIPTION Sample Source: Boring B-2 Depth: 0-5' Sample No.: S-1 Dark Brown Sandy Lean Clay w/ Organics & Rubble Sample Source: Boring B-2 Depth: 5-10' Sample No.: S-2 Dark Gray Sandy Clay Loam Trace Gravel (Till) Sample Source: Boring B-2 Depth: 10-15' Sample No.: S-3 Grayish Brown Sandy Loam (Alluvium) Sample Source: TP-2 Depth: 0-2.5 Sample No.: S-1 Gray Brown Sandy Clay (Topsoil) Sample Source: Boring B-4 Depth: 5-10' Sample No.: S-2 Dark Brown Silty Lean Clay USCS CL CL CL CL CL

LL 52 40 NV 34 41

PI NAT. MOIST. 32 34 25 5.7 NP N/A 20 29 16 28

TEST SPECIFICATION AASHTO T 99-01 Method D Standard AASHTO T 99-01 Method D Standard AASHTO T 99-01 Method D Standard AASHTO T 99-01 Method D Standard AASHTO T 99-01 Method D Standard

OVERSIZE %>3/4 in.=12.4 %>3/4 in.=90.0 %>3/4 in.=88.0

%< No.200 4.9 % 15 % 14 %

MAX. DRY DEN. 126.3 162.5 161.3

OPT. MOIST. 8.3 % 8.6 % 7.3 %

%>3/4 in.=95.0

12 %

164.2

15.8 % Figure

ALV Engineers

Tested By:

ALV

ALV

ALV

ALV

ERK Checked By: ERK

[5 tests] 5-Curve Report, List Test Specs. For All 5 Curves (PR5SPEC)

F-22

COMPACTION TEST REPORT Curve No.

C-281

125 ZAV SpG 2.38

Test Specification: AASHTO T 99-01 Method D Standard Oversize correction applied to final results

122.5

Dry density, pcf

Preparation Method

5.5 lb.

Hammer Wt.

120

12 in.

Hammer Drop

117.5

Number of Layers

three

Blows per Layer

56 0.075 cu. ft.

Mold Size

Test Performed on Material 3/4 in. Passing

115

NM

34

52

LL

12.4

These results are for the exclusive use of the client for whom they were obtained. They apply only to the samples tested and are not indicitive of apparently identical samples.

%>3/4 in.

3

4.5

6

7.5

9

10.5

12

Water content, %

CL

USCS

32

PI

2.65

Sp.G. (ASTM D 854)

112.5

Sieve

4.9

%3/4 in.=90.0

15

2.615

NV

%>3/4 in.=88.0

14

#200

34

S-1

S-2

S-3

S-1

Natural water content, percent

34

5.7

N/A

29

Optimum water content, percent

8.3

8.6

7.3

126.3

162.5

161.3

Max dry density, pcf Remarks:

T-112=0.0% SE=89 Soundness=3.8%

Project: Berthoud County Landfill Expansion

Project No.: P91003-24

T-96=27% T-104=2.8% T-96=23 Soundness=2.8% T-112=0.0

Location:

T-96=23 Soundness=2.8% T-112=0.0

Source:

Figure

Tested By: ALV

F-22

Boring B-2

ALV ENGINEERS Checked By: ERK

[4 tests] Corps of Engineers Report Form (4 curves/page) (PRCOE)

COMPACTION TEST REPORT 125

122.5

These results are for the exclusive use of the client for whom they were obtained. They apply only to the samples tested and are not indicitive of apparently identical samples.

Dry density, pcf

120

117.5

ZAV for Sp.G. = 2.38

115

112.5

3

4.5

6

7.5

9

10.5

12

Water content, %

Test specification: AASHTO T 99-01 Method D Standard Oversize correction applied to final results Elev/ Classification Depth USCS AASHTO 0-5'

CL

Nat. Moist.

Sp.G.

LL

PI

%> 3/4 in.

%< No.200

34

2.65

52

32

12.4

4.9

A-7-6(31)

ROCK CORRECTED TEST RESULTS

Maximum dry density = 126.3 pcf

MATERIAL DESCRIPTION Dark Brown Sandy Lean Clay w/ Organics & Rubble

Optimum moisture = 8.3 % Project No. P91003-24 Client: County of Berthoud Project: Berthoud County Landfill Expansion Sample Source: Boring B-2

Depth: 0-5'

Remarks: T-112=0.0% SE=89 Soundness=3.8% Sample No.: S-1

ALV ENGINEERS

Tested By: ALV

Figure

Checked By: ERK

[1 test] Standard GEOSYSTEM Report Form (1 Curve Per Page) (PRGEOSYS)

F-22

COMPACTION TEST REPORT Curve No.

C-281

125 ZAV SpG 2.38

Test Specification: AASHTO T 99-01 Method D Standard Oversize correction applied to final results

122.5

Dry density, pcf

Preparation Method

5.5 lb.

Hammer Wt.

120

12 in.

Hammer Drop

117.5

Number of Layers

three

Blows per Layer

56 0.075 cu. ft.

Mold Size

Test Performed on Material 3/4 in. Passing

115

NM

34

52

LL

12.4

These results are for the exclusive use of the client for whom they were obtained. They apply only to the samples tested and are not indicitive of apparently identical samples.

%>3/4 in.

3

4.5

6

7.5

9

10.5

12

Water content, %

CL

USCS

AASHTO

1

2

3

4

5

9242.60

7270.90

6240.40

6189.50

6123.20

WM

7267.60

5267.60

4267.60

4267.60

4267.60

WW + T #1

758.90

723.50

687.20

751.00

727.30

WD + T #1

684.90

660.10

639.80

707.20

693.30

0.00

0.00

0.00

0.00

0.00

TARE #1

A-7-6(31)

4.June.2003

Date Sampled

5.June.2003 ALV

Tested By

WM + WS

4.9

%