ML051370412

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Errata for Report of Continuing Hydrogeologic Investigations in 2004
ML051370412
Person / Time
Site: Yankee Rowe
Issue date: 05/05/2005
From: Jesse Rollins
Yankee Atomic Electric Co
To:
Document Control Desk, NRC/FSME
References
BYR 2005-046 YA-REPT-00-010-05
Download: ML051370412 (31)
v • d • e


Text

YANKEE ATOMIC ELECTRIC COMPANY Telephone (413) 424-5261 YKEE 49 Yankee Road, Rowe, Massachusetts 01367 May 5, 2005 BYR 2005-046 Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001

References:

Subject:

1. License No. DPR-3 (Docket No. 50-29)
2. YAEC Submittal to USNRC, " Report of Continuing Hydrogeologic Investigations in 2004" (YA-REPT-00-010-05), dated April 14, 2005, BYR 2005-035 Errata for Report of Continuing Hydrogeologic Investigations in 2004 (YA-REPT-00-010-05)

Subsequent to its submittal, Yankee Atomic Electric Company (YAEC) detected a minor error and some page omissions in the Reference 2 report. Accordingly, the following "corrected" sections of the report are enclosed, and should be used to replace the corresponding sections of the original submittal:

Section 8.0, References (single page replaced)

  • Appendix 1, Geologist's Logs for Monitoring Wells Drilled in 2004 (all pages replaced)

We apologize for any inconvenience these errata may have caused you; and ask that you please direct any related questions to Mr. Greg Babineau, Radiation Protection Manager, at (413) 424-2202.

Sincerely, YANKEE ATOMIC ELECTRIC COMPANY K9ins ack 2e

Regulatory Affairs Manager Enclosure p\\Jf1/4JV1

U.S. Nuclear Regulatory Commission BYR 2005-046, Page 2/2 cc:

J. Hickman, NRC, Project Manager, NMSS S. Collins, NRC, Region I Administrator J. Kottan, Inspector, NRC Region I (w/o enclosure)

M. Whalen, MA DPH D. Howland, MA DEP M. Rosenstein, EPA, Region 1 W. Perlman, Executive Committee Chair, FRCOG T. W. Hutcheson, Chair, Franklin Regional Planning Board L. Dunlavy, Executive Director, FRCOG P. Sloan, Director of Planning & Development, FRCOG D. Katz, CAN J. Block, Esq.

r YA-REPT-0-0 10-05 8.0 References Reference 1: YA-REPT-00-004-04; Hydrogeologic Report of 2003 Supplemental Investigation, March 15, 2004 Reference 2: DESD-TD-YR-02-001, Rev 1; Site Ground Water Data Collection for YNPS Decommissioning, Framatome ANP DE&S, February 2003 Reference 3: AP-8601, Rev 4; Ground and Well Water Monitoring Program for the Yankee Nuclear Power Station Site, October 2003 Reference 4: DP-9746; Use of Data Logging Pressure Transducers to Continuously Monitor Water Levels in Ground Water Monitoring Wells and Rainwise Rain Monitoring System Reference 5: Massachusetts Department of Environmental Protection Publication WSC-310-91; Standard Reference for Monitoring Wells, Section 4.6, Decommissioning of Monitoring Wells, November 1993 Reference 6: AP-8125; Procedure for Permanent Closure of Ground Water Monitoring Wells at YNPS Reference 7: DP-8602; Ground Water Monitoring Well Drilling and Completion Reference 8: AP-8122; Subsurface Soil Sampling and Monitoring Well Installation Reference 9: Geologic Map of the Rowe Quadrangle, Franklin and Berkshire Counties, Massachusetts, and Bennington and Windham Counties, Vermont, 1967, by A.H Chidester, N.L.

Hatch, Jr., P.H. Osberg, S.A. Norton, and J.H. Hartshorn, Map GQ-642, Department of the Interior, United States Geological Survey Reference 10:

DP-9745; Ground Water Level Measurement and Sample Collection in Observation Wells Reference 11: YA-REPT-00-013-04; Interim Ground Water Monitoring Report for Yankee Nuclear Power Station, September 2004 Reference 12: Yankee Nuclear Power Station Historical Site Assessment, Rev 1, September 30, 2004 Reference 13: Yankee Nuclear Power Station license Termination Plan, Rev 1, November 19, 2004 Reference 14: YA-REPT-00-014-05; Data Assessment Report on NORM in YNPS Ground Water 30

r Appendix 1 to YA-REPT-00-010-05

Appendix 1 to YA-REPT-00-010-05 K

Z Yanhee Nudear Power Stabon GEOLOGIST'S LOG for Well #: MW-106A C J

Rowe, Massachusetts I

Project:

Yankee Ground Water Investigation Project Numbern Client:

Yankee Atomic Electric Company Logged by:

Dave Scott Drilling Co:

D.L.Malier Driller Roy Buckenberger Date Started:

August 30,2004 Date Finished:

August 30,2004 Location:

Rowe. Massachusetts Drilling Method:

Rotosonic Screen Diam:

2 inches Length:

10 feet Slot Size:

Casing Diamn: 2 Inches Length:

12 feet Type:

Boring Depth: 22 feet Well Depth: 22 feet Boring Dia.n.:

Surface Elev.:

1089.2 feet MSL I'l:

Ground Surface Depth to GW:

On-Site GW Analyses: None Off-Site GV Analyses: None 0.010 inch Schedule 40,224nch PVC 7% inches 6.60 feet frors PVC on October 31, 2004 eth Welgl og Strat9raphy Penetration Recovery Soil Core Description l Depth (FID ConcGround Water (ppm) HS Sample No.'

See log of MW-1 06B for description of sediment and ground water samples.

-9

-10

-11 Well Construction Details 13-14 -

0-1': Concrete and Flushmount Roadbox 15-1-7.5': Portland Cement/Bentonite Grout 16 -

7.5-9.5': Bentonite Chip Seal

_ 17

_9.5-22':

  1. 0 Silica Sand Filter Pack 0-12': Schedule 40, 2" Diameter PVC Riser 18 12-22': Schedule 40, 2" Diameter, 0.010-Slot PVC Screen 19 _

22': Bottom of Boring

- 20 _

21 - -24 -26 Key to WVell Construction

[D Sandpack M

WellScreen E

Cement/BentoniteGrout 0

Bentonite Seal

[

Concrete and Flushmount Roadbox

Appendix I to YA-REPT-00-010-5 Of Oboes N

YankeeNudearPowerStationl GEOLOGIST'S LOG for Well #: MW-106B \\v J

Rowe Massachusetts I

Project:

Yankee Ground Water Investigation Project Number Client:

Yankee Atomic Electric Company Logged by.

Dave Scott Drilling Co:

D.L. Maher Driller Rov Buckenberger Date Started:

August 12,2004 Date Finished:

August 27,2004 Location:

Rowe, Massachusetts Drilling Method:

Rotosonic Screen Dian:

2% Inches Length:

10 feet Slot Size:

0.010 inch Casing Dianm: 2Y. Inches Length:

251 feet Type:

Schedulc 80, 2%-Inch PVC Boring Depth: 265 feet Well Depth: 261 feet Boring Dianm 5'A inches Surface Elev.

1088.9 feet MSL Ml':

Ground Surface Depth to GW:

39.00 feet from PVC On-SiteGWAnalyses: 11-3, Co-60. Cs-13-,Cs-137 Off-Site GW Analyses: VCSby260 on October 31,2004 Depth Well Log Stratigraphy Penetration Recovery Soil Core Description 0-2': Sand, brown, fine to coarse, and dark brown organic

_ l

,silt, little medium to coarse subrounded gravel, unsorted,

-2 medium dense, damp.

5 4

2-2.5': Sand, gray, fine, well sorted, medium dense, damp.

3 2.5-5': Sand and gravel, brown to orange (in oxidized

-4

-zones), fine to coarse, angular, little silt, unsorted, medium dense, damp.

6-7': Albite gneiss boulder

-7

-8 7-11': Silt, gray-brown, with fine to medium sand and 9 _

subangular gravel, unsorted, moderately dense, damp.

10 10' 7'

I I1 Stratified Drift 11-12': Schist boulder, oxidized orange, severely

-12 weathered, loose, mostly sand.

13 -

/12-13':

Same as 7-11', with 4" cobble at 13'.

14 15':

Sand and gravel, brown, fine to coarse, subround, little silt, unsorted, loose, wet.

15-17': Same as above, with 4" cobble at 17'.

16,

_ 17 17-20': Silt, brown, with fine to coarse subround gravel, 18 little sand, unsorted, dense, moist; increasing day content 19 -

with depth. One fist-sized cobble.

20 10' 7' 22': Sand and gravel, brown, fine to coarse, unsorted, 21 loose, wet.

- 22 22-25': Till consisting of silt, olive, with fine to coarse

_ 23 angular gravel, little sand, trace clay, unsorted, very

_ 24 Till dense, damp. Advanced 10" drill casing to 25' and pressure grouted with bentonite slurry to seal off aquifer.

-25

-26 5'

3' See next page.

NOTES:

  • Results of on-site radiological screening <MDL unless otherwise noted Key to Weltl Construction

[E Sandpack E

Well Screen E

Cement/Bentonite Grout B

sentonite Seal

[

Concrete and Flushinount Roadbox

Appendix I to YA-REPT-00-01 0-05

~)Yankee Nuclear Power I GEOLOGIST'S LOG for Well No.:

MW-106B C--^

S*)Station, RoweMA Page 2 of 8 Ground Depth Well Log Stratigraphy Penetration Recovery Soil Core Description D

Jepth (pFID Conc.

Water I

(p

)H I

am l

o- - 28

- 29

- 30 31

- 32

- 33 35-36-37-38-39-40-41 -

42-43-44-45-46 -

47 48

- 49

- 50

-51

- 52 53-

- 54 55-56-57-58 59 60-61 62

- 63 64

- 65

_ M 5.

3' Till consisting of silt, olive, clay and fine to coarse angular gravel, trace sand, unsorted, very dense, damp.

25-30' 0.0 Till 5'

2'

-Till consisting of silt, olive, clay and fine to coarse angular 30-35' 0.0 gravel, trace sand, unsorted, very dense, damp.

5' 5'

-Till consisting of silt, olive, clay and fine to coarse angular 35-40' 0.0 gravel, trace sand, unsorted, very dense, damp.

3' 3'

Same as above, with few fist-sized cobbles.

40-43' 0.0 2

2'

-Same as above, with few fist-sized cobbles.

43-45' 0.0 4'

3'

-Same as above, with few fist-sized cobbles.

45-49' 0.0 Till consisting of silt, olive, clay and fine to coarse angular 2'

2'

-gravel, trace sand, few fist-sized cobbles, unsorted, 49-51' 0.0 extremely dense, dry.

Till consisting of silt, olive, clay and fine to coarse angular 4'

3' gravel, trace sand, few fist-sized cobbles, unsorted, 51-55' 0.0 extremely dense, dry.

Till consisting of silt, olive, clay and fine to coarse angular 4'

3.5'

-gravel, trace sand, few fist-sized cobbles, unsorted, 55-59' 0.0 extremely dense, dry.

Till consisting of silt, olive, clay and fine to coarse angular 3'

3' gravel, trace sand, few fist-sized cobbles, unsorted, 59-62' 0.0

-extremely dense, dry. One talc fragment.

-Till consisting of silt, olive, clay and fine to coarse angular 3'

3' gravel, trace sand, few fist-sized cobbles, unsorted, 62-65' 0.0

-extremely dense, dry.

2' See next page.

65-67' 0.0

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-010-05

)

=>Yankee Nuclear Power GEOLOGIST'S LOG for Well No.:

MW-106B C.

Station, Rowe,MA Page 3 of 8 Depth Well Log Stratigraphy Penetration Recovery Soil Core Description Depth FID Conc Water

'l.11 I

I SolCoeDecipin(ppm)

HSI Gpero.,d Same as above.

65-67' 0.0

- 67

- 68

- 69

.70

- 71

-72

-73.

- 74

-75.

- 76 78

-79. -

81

- -84J -86 -88

-89

-90 91

- -93

-94 96

- - 98

-99.

- 100

- 101

_102

-103

-104

-105

.106 Till consisting of silt, olive, clay and fine to coarse angular 2'

2'

-gravel, trace sand, few fist-sized cobbles, unsorted, 67-69' 0.0 extremely dense, dry.

3 3

Same as above. Two-inch seam of silt, clay and fine 69-72' 0.0

-sand at 71.5 feet.

-Till consisting of silt, olive, clay and fine to coarse angular 3'

3' gravel, trace sand, few fist-sized cobbles, unsorted, 72-75' 0.0

-extremely dense, dry.

_75-77': Same as above, with increasing clay content and finer-grained gravel.

5.
5.

_77-80': Laminated silty clay, olive, with 2 to 5-mm very 75-80 0.0 fine sand lamellae at -2 to 5-cm intervals, more sand at bottom; very stiff, damp.

Till 3.

3.

-Till consisting of silty clay, olive, with fine subangular gravel, little medium to coarse gravel, trace fine to

-medium sand, unsorted, very stiff, damp.

80-83' 0.0 4

4 4

4 4

2' 83-83.5': Same as above 83.5-85': Albite gneiss boulder 83-85 0.0 Boulder 1

I 1

I Same albite gneiss boulder 85-86' 0.0 1

1' 86-86.5': Same albite gneiss boulder.

86-87' 0.0 86.5-89': Sand, fine to medium, well sorted, loose,

-saturated. 20 feet of rods are wet.

3, 3,

87-90'

0.0 89-90

Albite gneiss boulder.

4 4

4 4

GW-2 H-3<300 pCVL 3,

3,

_90-91.5': Same as 80-83'.

-91.5-92.5: Sand, f. to m., little silt, loose, saturated.

92.5-93': Albite aneiss boulder.

90-93' 0.0 2'

Till consisting of silt, olive, clay and fine to coarse angular

-gravel, trace sand, few fist-sized cobbles, unsorted, very dense, damp.

93-95, 0.0 Till 8'

Advanced 7Y drill casing to 95' and pressure grouted with bentonite slurry to seal off aquifer above. 103': Till consisting of clay, olive, silt and fine to medium subangular gravel, some coarse gravel and fist-sized cobbles, trace sand, unsorted, very stiff, moist.95-103' 0.0 4

4 I

4 4

Glaciolacustrine Sequence 7,

7'

-Laminated silt and clay, olive, some fine to medium

_subangular gravel In bottom 6", stiff, damp, very plastic.

103-110' 0.0 Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-01O-05 GEOLOGIST'S LOG for Well No.:

MWa106B Cn0kee NuclearaPooer l

Ground Depth Well Log Stratigraphy PntainRecovery Soil Core DecipinDepth FlD Conc.

Water IescriptionI I(ppm)

ISsmleN.

- 107

-108 -

- 109

.110.

- 111

-112 -

-113

- 114 115

-116

-117

-118t

-119

- 120 121 -

- 122

-123 -

-124

- 125 -

-126

-127

-128 -

-129

-130

- 131 -

- 132 -

-133 -

-134 -

-135 -

-136 -

-137

-138

-139

-140

-141-

- 142 -

- 143 -

- 144 -

-145

_ 146.

7' 7,

Laminated silt and clay, olive, some fine to medium subangular gravel in bottom 6", stiff, damp, very plastic.

103-110' 0.0 4-

+

4-5.

5, Same as above, (disturbed); rate of drilling slowed at 111'. apparently because we were pushing a boulder.

- Retrieved no sample on the first attempt and reentered the hole to recover the sample.

110-115' 0

4.
4.
4.

4.

8' 8'

Laminated silt and clay, olive, with 1-mm lamellae of gray,

-very fine, micaceous sand; trace medium to coarse gravel; more gravel at bottom 6', wet.

115-123' 0.0 Glaciolacustrine Sequence GW-3 H-3<300 pCVL

4.

I

-4.

4-5.

5' Collected sample in 5' long by 3W.' diameter translucent

-Lexan liner. Material Is same as above. Advanced 7%W

-drill casing to 125' and pressure grouted with bentonite slurry to seal off aquifer.

123-128' 0.0 4-I

+

4.

4.

7, 4'

128-130: Same laminated silty clay, olive, trace fist-sized cobbles.

1130-1131': Sand, fine, with silt, olive, firm, saturated.

131 -1132: Same as 128-130'.

-132-135':

Sample dropped out: probable sand, saturated

_(4 rods wet). Advanced 7%W drill casing to 135'.

128-135' 0.0 GW-4 H-3<300 pCi/L Till ?

2' 2'

Clayey silt, olive, with fine to medium subangular gravel, 135-137' 0.0 few fist-sized cobbles, unsorted, dense, moist.

Boulder 2'

0.5'

-Albite gneiss boulder.

137-139' 0.0 Till ?

2' 2'

Clayey silt, olive, with fine to medium subangular gravel, 139-141' 0.0 few fist-sized cobbles, unsorted, dense, moist.

I I

.0 Glaciolacustrine Sequence 14' No recovery on first attempt: heaving sand - 30' heaved

-into the casing. Reentered the hole to retrieve sample:

-Sand, very fine, micaceous, and silt, olive, trace coarse gravel, loose, saturated. 6" hard zone at 153'.

141-155' 0

GW-5 H-3<300 pCIL

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix I to YA-REPT-00-010-05

(

ByYankee Nuclear rower GEOLOGIST'S LOG for Well No.:

MW-106B A

Station, RoweMAI Page 5 of 8 I

1 1 Ground 1 Depth Wl o Stratigraphy Penetration Recovery Soil Core Decito Depth FID Conc.

Water DescrptioII__II(ppm)

HS Sample-No.

-147

-148

-149

._150

- 151

-152

-153

-156 -

-155 -

- 156 -

-157

- 158-

- 159-

-160 -

-161

- 162 -

-163 -

- 164 -

- 165 -

-166

-167 -

-168

-169

-170

-171

-172

- 173 -

-174

-175

- 176 -

-177

-178

-179

-180

-181

-182 -

-153 -

-184

-185 -

_186 -

~/1, 1/

/11

/1

/

//

/

/

//

j

/

/

/

/

/

//

/

/

/

/

14' 8

-No recovery on first attempt: heaving sand - 30' heaved into the casing. Reentered the hole to retrieve sample:

-Sand, very fine, micaceous, and silt, olive, trace coarse

-gravel, loose, saturated. 6" hard zone at 153'. Advanced 7%" drill casing to 155' and pressure grouted with

- bentonite slurry to seal off aquifer above.

GW-5 H-3<300 pCVL 141-155' 0.0 I

.4 4.

10' 10'

- 155-158.5: Sand, olive, fine, with fine to coarse subround

-gravel, some silt, unsorted, medium dense, saturated.

L 158.5-163.5': Sand, olive, fine to coarse, with fine to coarse subround gravel, some silt, unsorted, medium

-dense, saturated.

l163.5-165': Laminated silty clay, olive, very stiff, damp.

One 1-mm very fine gray sand lamerlla.

155-165' 0.0 Glaciolacustrine Sequence Advanced 7%" drill casing to 165' and pressure grouted lwith bentonite slurry to seal off aquifer.

165-172: No recovery on first attempt; 120' of rods are wet.

Reentered the hole to retrieve sample: 10' of sand heaved

-Into the casing. Sample description: Sand, brown, GW-6 10' 10' medium to very coarse, and fine to medium gravel; little 165-175' 0.0 H-3<300 -

silt, loose, saturated.

pCVL 172-173': Silt, olive, stiff, saturated.

173-175': Sand, brown, fine, little silt, medium dense, saturated.

10 10'

-Advanced 5Y2" drill casing to 175'. Did not pressure grout

-because there Is no confining unit to key Into.

175-185: Laminated sand, very fine, and silt, olive, some

-clay, stiff, saturated.

175-185' 0.0 4-I I

10 10' See next page.

185-195l 0.0

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-0O-010-05 (dj<E\\Yankee Nuclear Power GEOLOGIST'S LOG for Well No.:

MW-106B (L.At

Station, Rowe,NtA Page 6 of 8 h

.1 1

SFID Conc. I Ground Depth Well Log Stratigraph Peetato Reover Soil Core Description jepth (pmS Water

-187

-188

-189

_ 190

- 191

-192

-193

- 194

- 195

- 196

- 197

- 198

- 199

- 200

- 201

- 202

- 203

- 204

- 205

- 206

- 207

- 208

-209

-210

-211

- 212

- 213

- 214

- 215

- 216

- 217

-218

-219

-220

- 221

- 22

- 223

- 224

-225

- 726

$2

/

//

A

/

$2

/$2

$2

$2

/

/

/

/

/

A

/

10' 10'

-Laminated sand, very fine, and silt, olive, some day, stiff,

-saturated.

185-195' I 0.0 10' 10'

-195-199': Clay, olive, some silt, medium soft, moist.

_199-203': Sand, very fine, and silt, olive, some day, medium soft, wet.

-203-205': Laminated day with silt, olive, stiff, moist.

195-205' I 0.0 I

4 F

t Glaciolacustrine Sequence

_205-211': Laminated silt with clay, olive, trace very fine sand, stiff, moist.

211-215': Laminated silt with day, olive, some very fine sand, stiff, moist.

215-225: Laminated silt with day, olive, some very fine sand, stiff, moist.

20' 20' 205-225' l 0.0 I

I 4

I See next page.

225-233' l 0.0 A

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix I to YA-REPT-00-010-05 GEOLOGIST'S LOG for Well No.:

/

As Yankee Nuclear Power MW-106B

  1. .,_/
Station, Rowe, AI Page 7 of 8 I IFICorc 'Zue Depth Well Log Stratigraphy l Penetration Recovery Soil Core Description Depth lFID Conc Water (p

HS Sample No.

- 2277

- 228

- 229

_ 230

-231

- 232

-233

- 234

- 235

- 236-

- 237-

- 238-

- 239 -

- 240 -

-241 -

- 242 -

- 243 -

- 244 -

- 245 -

- 246 -

- 247 -

- 248 -

-249

-250-

- 251

- 252 -

- 253 -

- 254 -

- 255 -

- 256 -

- 257 -

- 258 -

_259 -

- 260 -

- 261 -

- 262 -

- 263 -

- 264 -

- 265

_ 266

/

/

/

/

/

/

Glaciolacustrine Sequence 8B

-Advanced 5W drill casing to 225' and pressure grouted

-with bentonite slurry to seal off aquifers above.

225-230': Laminated silt with clay, olive, some very fine sand,

-stiff, moist.

230-232': Same as above, little fine gravel.

-232-233': Gravel, f. to c.. angular; some silt and clay.

loose, wet. 6" albite gneiss cobble at bottom.

225-233' 0.0 I

t I

t 12' 9'

Albite gneiss bedrock, coarse grained, foliation (bands of

-quartz) dips at 300. One 6.5-stick and one 2.5'-stick of

-core recovered from the 233-242' interval (only one fracture). Interval from 242-245' very broken up - only

-coarse gravel-sized fragments recovered (several natural

-fractures).

233-245' 0.0 Bedrock Albite gneiss bedrock, coarse granular texture; rich In biotite and muscovite; few small garnets; quartz stringers 10' 7'

formfoliationdipping 30°; %albitegrains;3.4' solid stick 245-255' 0

-of core from 248.8' to 252.2; natural break at 254' with silt in-filling.

GW-7 H-3<300 -

pCi/L 10' 10.6' Same albite gneiss as above. Natural break at 260'.

-Collected GW-7 from well, after sand pack and bentonite

-seal were placed.

255-265' 0

+

I

.t 1-End of boring at 265'.

  • Results of on-Site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-01 0-05 6 ~~)

Yankee NulaPor DRILLING LOG for Well No.:

MW-106B CXn4

) Station, cjo Page 8 of 8 Depth lWell Log Stratigraphy Penetration Recovery Soil Core Description I Depth FID Conc.

Water I

II I

I__I

__I(pM)

HS sample No.'

Well Construction Details 0-1': Concrete and Flushmount Roadbox 1-230': Portland Cement/Bentonite Grout 230-249': Bentonite Chip Seal 249-265': #0 Silica Sand Filter Pack 0-251': Schedule 80, 2%2" Diameter PVC Riser 251-261': Schedule 80, 2%2" Diameter, 0.010-Slot PVC Screen 265': Bottom of Boring

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-O-01 0-05 GEOLOGIST'S LOG for Well #: MW-106C Project:

Yankee Ground Water Investigation Client:

Yankee Atomic Electric Company Drilling Co:

D.L Maher Date Started:

August 30,2004 Location:

Rowe. Massachusetts Screen Diarn:

2 inches Casing Diam: 2 Inches Boring Depth: 95 feet Surface Ecv.: 1089.0 feet htSL On-Site GW Analyses: None Project Number Logged by-Dave Scott Driller Roy Buckenberger Date Finished:

September 8, 2004 Drilling Method:

Rotosonic Length:

5 feet Slot Size:

Length:

90 feet Type:

Well Depth: 95 feet Boring Diam.:

hp.

Ground Surface Deptl toGW:

Off-Site GV Analyses: None Depth I Well I 1..... _ 74-77-78- -

80 81

_ 82- -s85 -

87-

_882 _ 91

_ 92-

_ 93-

_ 94

_ 95 97-Log Stratigraphy I PenetrationI Recovery I See log of MW-1 06B for description of sediments and ground water samples Well Construction Details 0-1': Concrete and Flushmount Roadbox 1-80': Portland Cement/Bentonite Grout 80-86.5': Bentonite Chip Seal 86.5-95': #0 Silica Sand Filter Pack 0-90': Schedule 40, 2" Diameter PVC Riser 90-95': Schedule 40, 2" Diameter, 0.010-Slot PVC Screen 95': Bottom of Boring 0-25': 8" Steel Casing Cement/Bentonite Grouted in Place Key to Well Construction ED Sandpack F

Well Screen E

Cement/BentoniteGrout M

Bentonite Seal

[

Concrete and Flushniount Roadbox

Appendix 1 to YA-REPT-00-01-05 GEOLOGIST'S LOG for Well #: MW-106D G(

Project:

Yankee Ground Water Investigation Client:

Yankee Atomic Electric Company Drilling Co:

D.L Maher Date Started:

September 8 2004 Location:

Rowe, Massachusetts Screen Diam: 2/. inches Casing Diana: 21 Inches Boring Depth: 155 feet Surface Elev.:

1089.1 feet MtSL On-Site GW Analyses None Project Number Logged by, Dave Scott Driller:

Roy Buckenberger Date Finished:

September 14,2004 Drilling Method:

Rotosonic Length:

10 feet SFc Length:

144 feet Ty Well Depth: 154 feet BC MIP:

Ground Surface De Off-Site GW Analyses: None Depth

- 130 -

- 131 L132 133

_ 13 4 L135 -

-136 -

- 137 -

- 138 -

- 139 -

- 1402-

- 141 -

- 142 -

- 143 -

- 144 -

-145

- 146 -

- 147.

- 148

- 149

-150.

151 -

- 152

- 153

- 154 -

- 155 -

_ We

.l

_ l

_ l

_ l fil ILog d'p Stratigraphy I Penetration Recovery I See log of MW-i 06B for description of sediments and ground water samples Well Construction Details 0-1': Concrete and Flushmount Roadbox 1-132': Portland Cement/Bentonite Grout 132-142': Bentonite Chip Seal 142-155': #0 Silica Sand Filter Pack 0-144': Schedule 80, 2%2" Diameter PVC Riser 144-154': Schedule 80, 2%2" Diameter, 0.010-Slot PVC Screen 155': Bottom of Boring 0-25': 8" Steel Casing Cement/Bentonite Grouted in Place Key to Well Construction E Sandpack F

Well Screen E

Cement/Bentonite Grout Bentonite Seal

[M Concrete and Flushmount Roadbox

Appendix 1 to YA-REPT-00-010-05 f =5

>Yankee Nudear Power Station GEOLOGIST'S LOG for Well #: MW-108A Y

.)I Rowe, Massachusetts I

Project:

Yankee Ground Water Investigation Project Number:

Client:

Yankee Atomic Electric Company Logged by Dave Scott Drilling Co:

D.L M~aher Driller Rov Buckenberger Date Started:

lulv 16,2004 Date Finished:

Julv 16,2004 Location:

Rowe, Massachusetts Drilling Method:

Rotosonic Screen Diam:

2 inches Length:

10 feet Slot Size:

0.010 inch Casing Diam: 2 inches Length:

15 feet Type:

Schedule 40,2-inch PVC Boring Depth: 25 feet Well Depth: 25 feet Boring Diam.:

514 inches Surface Elev.:

1118.4 feet MISL NIP:

Ground Surface Depth to GW:

1231 feet from PVC On-SiteG VAnalyses: None Off-Site GW Analyses: None on October 31,2004 Depth [

Stratigraphy Penetration Recovery Soil Core Description -2

-3

-4 10 11 12 13 14 15 -

16 -

7 18 -

19

- 20 21

-22 24 - -

26 See log of MW-1 08B for description of sediment and ground water samples.

Well Construction Details:

0-1': Concrete and Flushmount Roadbox 1'-6.1': Portland Cement/Bentonite Grout 6.1'-10': Bentonite Chip Seal 10'-25': #0 Silica Sand Filter Pack 0-15': Schedule 40 2" PVC Riser 15'-25': Schedule 40 2" PVC, 0.010-Slot Screen 25': Bottom of Boring Key to Well Construction

[D Sandpack F

Well Screen 0

Cement/BentoniteGrout N

Bentonite Seal

[

Concrete and Fluslunount Roadbox

Appendix 1 to YA-REPT-00-010-05 t[Yanke NudearPowerStation GEOLOGIST'S LOG for Well #:

MW-108B K.^taJ RoweMassadiusetta Project:

Yankee Ground Water Investigation Project Number.

a

/_IIam___

Client:

Yankee Atomic Electric Company Logged by-DaveScott Drilling Co:

D.L. Malher Driller Roy Buckenberger DateStarted:

JulY8.2004 Date Finished:

July15.2004 Location:

Rowe, Massadiusetts Drilling Method:

Rotosonic Screen Diam:

2%. Inches Length:

10 feet Slot Size:

0.010 inch Casing Diama: 2. Indies Length:

205 feet Type:

Schedule 80, 2'/,nch d PVC Boring Depth: 215 feet Well Depth: 215 feet Boring Diam.:

5% inchies SurfaceEkev.: 1118.5 feet MSL MP:

Ground Surface Depth to VW: 53.43 feet from PVC 4

X i USC On-SiteGW Analyses: 11-3.Co-60,Cs-134, Cs-137 Off-Site GW Analyses: VOCs by 8260B onOctober31,2004 Depth Well Log Stratigraphy Penetration Recovery Soil Core Description Depth FID Coc samond WateN 2

-Fill consisting of sand, brown, fine to medium, and fine to 5'

4' coarse subround gravel, some cobbles, some silt, 0-5' 0.0 unsorted, loose, dry.

-4 - 6 2'

2' Sand, brown, fine to coarse, little medium to coarse 5-7' 0.0 gravel, some silt, unsorted, loose, wet at 7'.

-7 Fill 8

Sand, brown, line, some silt, trace fine gravel, rounded, 7-0 9

3_3 unsorted, loose, wet.

7

-1 0

-11 5

-Sand, brown to gray-green, fine and gravel, fine to coarse.

1 13-4 some silt, unsorted, medium dense, wet.

14-GW-1 H-16

- Silt, dark brown, organic and sand, very fine, trace fine to 100 3<300

17.

-medium subangular gravel, unsorted, loose, wet.

15-18 pCiIL 18 Stratified Drift 19 2'

2'

-Same as above, but gray-green.

18-20' 0.0

- 20.

20-21': Sand, brown, med. to very coarse and gravel, f. to

- 21

-c., rounded, trace silt, unsorted, medium dense, wet.

- 22

_21-24': Silt, gray-brown and sand, very fine, some

5.

5 subangular fine to medium gravel, few cobles, unsorted, 20-25' 0.0

- 3Till dense, moist.

- 24 24-25: Till: silt, brown, some f. to c. sand, subangular f. to

- 25

c. gravel, few cobbles, unsorted, very dense, dry.

26 1

1, Same as 24-25'.

25-26'

0.0 NOTES

  • Results of on-site radiological screening <MDL unless otherwise noted Key to Well Construction

[D Sandpack FM WellScreen E

Cement/BentoniteGrout N

Bentonile Seal

[

Concrete and Fluslhmount Roadbox

Appendix I to YA-REPT-00-010-05

(~~)

Yankee Nuclear Power i GEOLOGIST'S LOG for Well No.:

MW-108B C A*:)Station, Rowe,tA _Page 2 of 6

'I I

Tj j

round Depth Well Log Stratigraphy Penetration Recovery Soil Core Description Depth FID Conc.

Water DecrptonI.I.I..(PPM)

HSISample No."

27

- 28

- 29

-_30 31 32

- 33 35-36.

37-38 -

-39

_ 40 41 42 43 44-45 46 47 48 49 50.

51 52.

53.

54.-

55.

56.

57.

58 59 60 61 62 63 64 65 X/

F/1 1/1 P/,

F/

/

/

/

/

/

/

/

/

/

/

/

/

//

/

/

/

/

'4 3'

3' Advanced 8" permanent steel casing to 26' and cement grouted

-to seal off aquifer above. 26-29': Silt, olive brown and very fine

-sand, some angular decomposed schist-m. to c. gravel-sized.

unsorted, very dense, dry. Very tough drilling 26-29'

0.0 29-30

Same as above.

3' 2'

30-32: Albite gneiss boulder: pulverized by drill, with up 29-32' 0.0 to cobble-sized fragments, dry.

-Silt, olive brown and fine sand, some angular fine to 3'

3' medium gravel, trace coarse gravel, unsorted, very 32-35' 0.0

-dense, dry.

_35-36.5': Same as above, but moist; slightly more sandy.

3' 3'

35-38' 0.0 36.5-38': Same as 32-35', dry.

-Silt, olive brown with very fine sand and fine to coarse 3'

3' angular gravel, few angular quartz cobbles and 3841' 0.0

-gametiferous schist fragments, unsorted, very dense, dry.

Same as above. No recovery on the first attempt.

4' 4'

-Reentered the hole to retrieve the sample. As a result, 4145' 0.0 the sample was highly disturbed.

45-48': Silt, olive and fine sand, some fine to coarse 4

4 angular gravel, unsorted, very dense, damp.

4549'

0.0 _4849

Same as above; slightly more sand at top and wet, but only dam~p at bottom.

2' 2'

Silt, olive, with very fine sand, some fine to medium 49-51' 0.0 subangular gravel, unsorted, very dense, damp.

2' 2'

Samre as above, but dry with few chlorite schist and albite 51-53' 0.0 gneiss cobbles.

2' 2'

53-54.5': Albite gneiss boulder.

53-55' 0.0 54.5-55': Same as 49-51', dry.

3' 3'

Same as 51-53', damp.

55-58' 0.0 T111

-Same as 49-51', dry.

58-60' 0.0 3,

3' 60-61.5: Same as above, damp; one 2" medium sand lense in middle, wet.

.61.5-63': Sand, fine with silt, olive, unsorted, loose, saturated. Bottom 3" In top of albite gneiss boulder.

60-63' 0.0 GW-2 H-3.c300 pCi/L

.5

4.

4, 4

4 1.5 0.5

_Albite gneiss boulder.

63-64.5' 0.0 Boulder 10.5 0.5 Advanced 5 as drill casing to 65'.

See next page.

64.5-75' 0.0 Results of on-site radiological screening <MDL unless otherwise noted

Appendix I to YA-REPT-00-010-05 IGEOLOGIST'S LOG for Well No.:

1..<E NYankee Nuclear Power MW-108B 1A

,d

Station, Rowe, MA Page 3 of 6 Soil Core Description l

Depth FID Conc. Ground Water I

I(ppm) HS ISample No."

Cored with water because we thought we were in

-bedrock.

Broke through the boulder at 66; all fine-grained material was washed from the sample below the

- boulder by the coring water. Only subround cobbles of

_albite gneiss, gamet gneiss and marble remained in the sample. The coring water return was very silty and gray-

-green; not gray as if we had been cutting through the

,albite gneiss bedrock.

64.5-75' 0.0 Two feet in top of sampler is wash from 65-75: medium to

-very coarse sand and medium to coarse subround gravel.

75-80: Silt, olive green and clay, with fine angular gravel, 75-80' 0.0 some medium gravel, unsorted, very dense, damp. Few

-cobbles in bottom 1 foot of sample.

-Advanced 7%" drill casing to 79' and pressure grouted with bentonite slurry to seal off aquifer above.

80-85': Extremely dense till consisting of silt, olive, little 80-85' 0.0

-clay and fine to coarse angular gravel, some fine sand, unsorted, dry. Gravel Is comprised of granite gneiss and

-chlorite schist.

Same as above.

85-90' 0.0 Same as above.

90-95' 0.0 Silt. olive, with fine angular gravel, little medium to coarse

'gravel, trace clay, unsorted, very dense, dry. Faint

.bedding near bottom defined by 1-2mm light gray clay lamellae at 5-10 cm intervals within gravely silt matrix.95-100' I 0.0 Same as above, no layering. Top of sample is wet but water is probably what was trapped above a grout plug between the 5/W and 7%" drill casings, which was GW-3 H-_

released when the 5%" casing was advanced after the 95-100-105' 0.0 3<300 100- sample was collected. Although the water Is pCiL

-probably not from the formation, we will sample it anyway, as a precaution.

105-1106-: Albite gneiss boulder.

105-110, 0.0

Appendix 1 to YA-REPT-00-01 0-05 GEOLOGIST'S LOG for Well No.:

MW-108B (. i Yn)

S

Nation, Rowe Page 4 of 6 Depth lWell Log l Stratigraphy l Penetration Recovery Soil Core Description D

Depth l FlD Conc. lGround Water I

II I

I I

I(ppm) HSI Sample No.'

- 107 -

-108 -

- 109 -

_110

- 111

-112

-113

-114

-115 -

-116

-117 -

-118 -

-119 -

-120 -

-121 122 -

-123 124 -

125 -

- 126 -

127 -

128 -

-129

-130 131 132 -

133 -

134 135 -

136 -

137 138 139 140 141 142 143 -

144 145 -

146

/

/

/

/

/

/

/

/

/

/

K

/

5, 5.

-Advanced 5%" drill casing to 105' and pressure grouted

-with bentonite slurry to seal off possible aquifer above.

106-110 : Silt, olive, with clay and fine angular gravel,

-little coarse gravel, unsorted, very dense, damp.

105-110' 0.0 Till Clay, olive, with fine angular gravel, trace coarse

5.

~subangular garnet schist gravel, one talc clast, unsorted, 5-5-

_unlayered, hard, damp. This Interval drilled easier than I10-115 0.0 above.

Clay, olive, with fine angular gravel. Few 1-2 mm very 10' 10'

-fine gray sand lamellae at 124' and one 1 very coarse 115-125' 0.0 brown sand layer with small cobbles at 115.

-Silt, olive, with clay and fine to coarse angular gravel, 7'

7' unsorted, very dense, no layering, damp. 4' schist cobble 125-132' 0.0

-at bottom.

3' 3'

Same as above, some gneiss and schist cobbles.

132-135' 0.0

-Silt, olive, and fine to coarse angular gravel, trace clay, 3'

3' unsorted, very dense, dry', 4" anorthosite cobble at 135-138' 0.0 bottom.

7' 7'

Same as above. No imbrication of gravel.

138-145' 0.0 4,

3' 145-147': Same as above.

145-149' 0.0 Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-010-05 K

.J4ZIINYankee Nuclear Power GEOLOGIST'S LOG for Well No.:

MW-108B CL*

tStation, Rowe, MA

[Page 5 of 6 Depth I Well Log I Stratigraphy Penetrationl Revery Soil Core Description Depth FID Concl Ground Water IecI ver Ij (ppm) HS I Sample No.-

147 -

148 149 150 -

151

-152

-153-

-154 155 156 157 158 159 -

160 161 162 163 -

164 165 -

166 -

167 -

168 -

-169

-170

-171

-172

-173

-174

- 175 -

  • 176 -

-177

-178

-179

-180

-181

- 182 183 184

-185

.1866

/

/

/

/

/

/

/

/

/

/

/

/

/

/

//

/

/

Till Boulder 4'

3,

- 147-149': Albite gneiss boulder (mostly pulverized by

-drill).

145-149' 0.0

-Cored with water, believing we were in bedrock. Broke through the boulder at 150'. All fine-grained material below the boulder was washed from the sample by the 6'

0.75

-coring water. Only subround cobbles of gneiss and schist 149-155' 0.0 remained In the sample. The coring water return was very silty and gray-green; not gray as if we had been

-cutting through the albite gneiss bedrock.

Top 2.5' of sample is slough: very coarse sand and gravel from 2'

4.5'-which the fines were washed while coring 149-155'. 155-157:

155-157' 0.0 Same silt and f. toc. 'angular gravel as above.

I I

Till

-Silt, olive, some clay, with fine to medium angular gravel, trace cobbles, unsorted, very dense, damp. Few fine sand lamellae (1-2 mm) at 163-164'; moist In sandy zone.

-remaining sample damp to dry.

After sitting overnight, the hole had 80' of water. The water-bearing zone Is likely 163-164'. or possibly a sand that was

-washed out while coring 149-155'.

After collecting ground water sample GW-4, advanced 5Y.' drill casing to 165' and pressure grouted with bentonite slurry

-to seal off aquifer.

157-165' 0.0 GW4 H-3c300 -

pCVIL 165-166': albite gneiss boulder.

166-170': Cored with water from 165-170', believing we

- were on bedrock. Broke through the boulder at 166'.

5' 3

Most fine-grained material below the boulder was washed 165-170' 0.0 from the sample by the coring water. Only subrounded cobbles of gneiss and quartzite remained, with thumbnail-I__ ___

sized clumps of olive clay.

I I

Glaciolacustrine Sequence 170-174': Sand. fine to medium, trace silt, olive, loose.

-saturated.

Upon reentering the hole to advance, the sand had heaved 20'.

174-175': Sand, f. to m. and silt, olive, dense, moist.

175-178': Silt, olive, with fine angular gravel, little medium to

-coarse gravel, trace clay, unsorted, very dense, dry. After collecting ground water sample GW-5, advanced 5!.' drill casing

-to 175' and pressure grouted with bentonite slurry to seal off aquifer.

170-178' 0.0 GW-5 H-3<300 pCVL, Sand, very fine, with silt, olive, little clay, well sorted, medium dense, saturated. 40' of rods are wet. Upon 178-185' 0.0 reentering the hole, sand had heaved 25' Into the casing, which was at 175'.

4' 4.

See next page.

185-189' 0.0

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix I to YA-REPT-0O-010-05 GEOLOGIST'S LOG for Well No.:

MW-108B (A

Station, RoueMA IPage 6 of 6 I r

~Gron Soil Core Description Depth FD Cone ron FIDCo Hc Water SoilCoreDesciptinDeth ppm) HSj Sample No.'

  • some medium to coarse sand at 185-mm lamellae visible. On rock at bottom of 185-189' 0.0 sampler.

Boulder 189-194': Albite gneiss boulder.

189-195

0.0 194-195'

Same very fine sand as at 178-185'.

P 195-196: Same as above.

10 196-205: Albite gneiss bedrock, coarse grained, with W" albite megacrystals. Several machine breaks, but at least 3 natural fractures with iron staining at 201', 202.5' and 203.5'. Bottom 6' of sample very quartz rich.

195-205' 0.0 1

4 I

I Bedrock 10' 8.5'

-Albite gneiss bedrock. Iron-stained (natural) fractures at 206.5'. 209.5' and 211.5'. Collected ground water sample GW-6 after completing well and purging approximately 80

-gallons of water.

205-215' 0.0 GW-6 H-3<300 -

pCVL_

.1.

L I

I

.L 1

- 216 -

-217

-218

-219 -

-220

-221 Well Construction Details:

0-1': Concrete and Flushmount Roadbox 1'-197.5': Portland CementlBentonite Grout 197.5'-202.5': Bentonite Chip Seal 202.5'-215': #0 Silica Sand Filter Pack 0-205': Schedule 80 2.5" PVC Riser 205'-215': Schedule 80 2.5" PVC, 0.010-Slot Screen 215': Bottom of Boring 0-26': 8" Steel Casing CementlBentonite-Grouted in Place

-223

-224

-225 -

.226 -,

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix I to YA-REPT-00-010-05 GEOLOGIST'S LOG for Well #: MW-108C Project:

Yankee Ground Water Investigation Client:

Yankee Atomic Electric Comrpanv Drilling Co:

D.L Maher Date Started:

June 23.2004 Location:

Rowe. Massachusetts Screen Dian: 2 Inches Casing Diarn: 2 inches Boring Depth: 170 feet (see note below)

Surface Elev.: 1118.7 feet NtSL On-Site GW Analyses: None Project Nunmber Logged by:

Dave Scott Driller.

Bill Zarnow (6/23-6/25). Rov Bu Date Finished:

Julv 7.2004 Drilling Method:

Rotosonic Length:

5 feet Slot Size:

Length:

60 feet Type:

Well Depth: 65 feet Boring Diani.:

MlP:

Ground Surface Depth to GW:

Depth Well Log

- 46

/

- 47

/

48

-49

/

- 50 51 52 53

-54

-55

-57

-58

-59

-60

- 61

- 62

- 63

- 64

- 65

- 66 67

-70 Stratigraphy IPenetration I Recovery I See log of MW-1 08B for description of sediment and ground water samples.

Well Construction Details:

0-1': Concrete and Flushmount Roadbox 1'-51': Portland Cement/Bentonite Grout 51'-57': Bentonite Chip Seal 57'-67': #0 Silica Sand Filter Pack 0-60': Schedule 40 2" PVC Riser 60'-65': Schedule 40 2" PVC, 0.010-Slot Screen 170': Bottom of Boring (filled to 67' with bentonite chips) 0-26': 8" Steel Casing Cement/Bentonite-Grouted in Place Kea to Well Construction

[jJ Sandpack F

WellScreen E

Cement/BentoniteGrout M Bentonite Seal S

Concrete and Fluslunount Roadbox

Appendix I to YA-REPT-00-010-05 f4 Y

Fi'ankee Nudear Power Station GEOLOGIST'S LOG for Well #: MW-109B Rowe Massadiusets Project:

Yankee Ground Water Investigation Client:

Yankee Atomic Electric Company Drilling Co:

D.L Maher Date Started:

Tuly 20,2004 Location:

Rowe., Massachusetts Screen Diam:

2% inches Casing Diam: 2% Inches Boring Depth: 190 feet Surface Elev.: 1124.6 feet MSL On-SiteGWVAnalyses: 1-3.Co-60, Cs-134. Cs-137 Project Number Logged by:

Dave Scott (0-20 ) a Driller:

Rov Buckenberger Date Finished:

August 2.2004 Drilling Method:

Rotosonk Length:

10 feet SI Length:

180 feet T,

Well Depth: 190 feet B,

NIP:

Ground Surface D

Off-Site GW Analyses: VOCs by 8260B nd Mike Ravella (20-190')

S.,

ot Size:

y)pe:

oring Diani.:

epth to GWV:

0.010 indi Schedule 80, 2/-inch PVC 5% inches 28.70 feet from PVC on October 31, 2004

._,,_.v_

\\

\\

Depth Well Log Stratigraphy Penetration Recovery Soil Core Description Depth FID Conc Ground Water Descrption(ppm)

HS Sample No.-

_I Fill consisting of silt, brown and fine to coarse sand, some 2

4' 1'

fine to coarse subangular gravel, one fist-sized cobble, 0-4' 0.0 3

unsorted, loose, dry.

-4

.Fill_

-5il 1

1 Boulder rusty-weathering gneiss.

4-5' 0.0 5

5-6': Same boulder; rusty-weathering gneiss.

7 6-8': Fill, same as 04'; dark brown oxidized zone at 8'.

-8 6

6' 5-11' 0.0

9. 1 1': Sand, fine to medium and rounded fine to coarse 10

/_gravel, with brown silt, few cobbles, unsorted, loose, dry.

- 11

-12 Stratified Drift 1'

1' Boulder albite gneiss.

11-12' 0.0 GW-1 12-13.5: Same boulder.

H-3< 300

-13 3'

2.5' 12-15' 0.0 pCill 14

-13.5-15':

Silt, brown and fine to coarse angular gravel, 15 -

little fine to medium sand, unsorted, loose, wet.

-16 17 Till consisting of silt, olive, some fine to coarse sand and 5

5' fine to coarse subangular gravel, trace clay, unsorted, 15-20' 0.0 is

/-very dense, damp.

Advanced

/

1.permanent 8" steel casing to 20' and cement grouted.

-19 20

/

Till

-21

-22

- Grayish Brown (5YR312) Gravely Silt: mostly silt, some 5

4' gravel, little day, poorly sorted, hard, damp, poor 20-25' 0.0 2243 plasticity. (Till).

25 4'

3.5' See next page.

25-29'

0.0 NOTES

  • Results of on-site radiological screening <NMDL unless otherwise noted Key to Well Construction E] Sandpack E

WellScreen El Cement/BentoniteGrout B

BentoniteSeal

[

ConicreteandFlushmountRoadbox

Appendix 1 to YA-REPT-00-010-05 f

~Yankee Nuclear~oe GEOLOGIST'S LOG for Well No.:

MW-109B e

Station, Rowe, MA Page 2 of 6 1

Depth Well 1 Stratigraphy lenetratio Recovery Soil Core Description l

Depti lF(PD C)on WaterS ample

,,,m HS.

Nor 27

- 28

-29

-30 31 -

32 -

-33 39 -

40

- 41 42 -

46 47 48

-49

- 50 51 52 53 54 -60 61

- -63

-64

-65

/

/

.7

/K K

/7/

K

/

KK

/K

/

/

/K

/

/

/

4, 3.5, 25-26':Grayish Brown (5YR312) Clayey Sn: mostly silt, some clay, some gravel; moderately soft, moist, some plasticity.

26-28.5': Grayish Brown (5YR3/2) Gravely Silt: mostly

-silt, some gravel, poorly sorted, hard, damp to dry, poor plasticity. (Till).

25-29' 0.0 6'

6' Same as above, no laminations thus far to this depth.

29-35' 0.0 Higher clay content at 4'. (Till).

-Grayish Brown (5YR3/2) Clayey Silt: mostly silt, some 5'

5' clay, some gravel, unsorted, hard, damp to dry, some 3540' 0.0

-plasticity.

Note: higher clay content than above. (Till).

2 5,

5'

-Grayish Olive (10Y4/2) Clayey Silt: mostly silt, some clay.

little gravel, hard, dry, little plasticity. Note: 6' cobble at

-43.5'. less clay and mostly silt at 44'. (Till).

40-45' 0.0 Till lGrayish Olive (10Y412) Fine Sandy Silt: mostly silt, some fine sand, little clay, some laminations, hard, damp to GW-2 8'

8' moist, low plasticity. Note: silty fine sand from 51-52',

45-53' 0.0 H-3< 300 moist. Hole produces water, with water level about 47'.

pCUL J

l (Silt / Till).

4, Grayish Olive (10Y412) Silt: mostly silt, little fine sand, little clay, firm, damp to dry, low plasticity. (Silt I Till).

53-5r

0.0 57-58

Same as above, but medium soft, damp.

3 l

3 60': Grayish Brown (5YR3/2) Silt: mostly silt, little 57-60' 0.0 gravel, hard, dry, no plasticity. (Till).

-Advanced 7%" drill casing to 60' and pressure grouted lwith bentonite slurry to seal off above aquifer.

5' 5

l 60-65: Grayish Brown (5YR312) Gravely Silt: mostly silt, 60-65' 0.0

-some to little gravel, little clay, hard, dry, no plasticity.

-(Till).

Same as above. (Till).

65-67' 0.0 1

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-010-05 i

at 3

Yankee Nuclear rower GEOLOGIST'S LOG for Well No.:

MW-109B A. Z staon.

Rowe, A IPage 3 of 6 Depth ll Log Stratigraphy rentratiRecovery Soil Core Description Depth RD Cono. Wa ple

- L.....41 n

I I

I (ppm) HS No.'

67

- 68 69

- 70

- 71

-72

-73 74 75 76 77 78

-79 80 81 82

- 83 84 85 86 7

-88 89 90 91 92 93 94 95 96 97 98 99

- 100 101 102 103 104

-105

_106

///

/

/

/

/

/

/

/

/

/

2' 2'

Same as above. (Till).

65-67' 0.0 Till Silty Sand Till 3'

3' Same as above. (Till).

67-70'

0.0 70-72'

Same as above. (Till).

72-73':Grayish Brown (5YR3/2) Silty Sand: fine sand, 4'

4'

-some silt, little clay, unsorted, med. soft, moist.(Sand).

70-74'

0.0 _73-74'

Grayish Brown (5YR3/2) Clayey Silt: silt, some clay and gravel, very stiff, moist, poor plasticity. (Till).

Grayish Brown (5YR3/2) Clayey Sandy Silt: mostly silt 6'

6'

-and clay, some fine sand and little gravel, poorly 74-80' 0.0 laminated, stiff, damp to moist, poor plasticity. (Till).

-Grayish Brown (5YR3/2) Silty Clay: mostly clay, some silt, 5'

5' little gravel, very little fine sand, poorly laminated, stiff.

80-85' 0.0 damp, poor plasticty. (Till).

5' 3,

Same as above. (Till).

85-90' 0.0 4

4 4

_90-93': Dark Yellovish Brown (10YR4/2) Silty Sand:

mostly fine to coarse sand, little silt and little cobbles,

- poorly sorted, loose, wet. (Sand).

Silty Sand Clayey Silt Silty Sand Clayey Silt 9T:

Grayish Brown (5YR3/2) Silty Sand: mostly fine to coarse sand, little gravel and little clay, poorly sorted,

-medium dense, moist. (Sandy Till).

10' 10' 90-1 00' 0.0 GW-3 H-3<300 -

pCUL 97-98': Grayish Brown (5YR3/2) Clayey Silt: silt, some clay, little

-gravel, very stiff, moist, poor plasticity. (Clay Till).

70":

%jutdylbi-l oIUWII ; I t./ 1)

On1tly 0dIIU; tile to medium sand, some silt and little cobbles, poorly sorted,99-100': Same as 97-98'. (Clay Till).

Till 5'

5' Grayish Brown (5YR3/2) Clayey Silt: silt, some clay, little

-gravel, very stiff, damp, poor plasticity. (Clay till).

-Advanced 7%" drill casing to 105' and pressure grouted with bentonite slurry to seal off aquifer above.

100-105' 0.0 Glaciolacustrine 5'

5' See next page.

105-110' 0.0

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix I to YA-REPT-00-010-05 t) =5 EYankee Nuclear Power GEOLOGIST'S LOG for Well No.:

MW-108B C

tc

Station, Rowe, MA 1A Page 4 of 6 Depth Well Log Stratigraphy Penetration RecoverySoil Core Description Depth FID Conc.rund Wate

_p)

HS Sample No.

- 107-

-108

.109.

.110

- 111

-112

-113

-114

-115

- 116

-117

- 118

- 119

-120.

- 121

- 122 -

- 123 -

- 124 -

- 125 -

- 126 -

-127 -

- 128

-129

-130

-131 -

- 132 -

-133 -

- 134 -

- 135 -

- 136 -

-137 -

-138 -

-139

-140-

-141

-142 -

-143

- 144

-145 -

. 146 1/s PR 5,

5.

-Advanced 5W drill casing to 105' and pressure grouted

-with bentonite slurry to seal off possible aquifer above.

106-1 10: Silt, olive, with clay and fine angular gravel,

-little coarse gravel, unsorted, very dense, damp.

105-110' 0.0 Till Clay, olive, with fine angular gravel, trace coarse 5

5subangular garnet schist gravel, one talc clast, unsorted,

-115' 0.0

_ unlayered, hard, damp. This interval drilled easier than above.

Clay, olive, with fine angular gravel. Few 1-2 mm very 10' 10

-fine gray sand lamellae at 124' and one V very coarse 115-125' 0.0 brown sand layer with small cobbles at 115'.

-Silt, olive, with clay and fine to coarse angular gravel, 7'

7' unsorted, very dense, no layering, damp. 4' schist cobble 125-132' 0.0

-at bottom.

3' 3'

Same as above, some gneiss and schist cobbles.

132-135' 0.0

-Silt, olive, and fine to coarse angular gravel, trace clay, 3'

3' unsorted, very dense, dry; 4' anorthosite cobble at 135-138' 0.0

-bottom.

7' 7'

Same as above. No Imbrication of gravel.

138-145' 0.0 4,

3, 145-147': Same as above.

145-149' I 0.0

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-01 0-05 Yankee Nuclear PowerII GEOLOGIST'S LOG for Well No.:

MW-109B C} Ac)Station, Rowe, MA I[Page 5 of 6 Depth lW'ell Log Stratigraphy atio Recovery Soil Core Description D )epth 1 Conc. Water Sample I II n

I I

I I(ppm) H No..

  • 147 -

-148

-149 150 -

_ 151

-152 -

-153

-154 155

-156

-157 -

-158-

-159

-160 -

-161

  • 162 -

-163

- 164 -

- 165

-166

-167

-168

-169

-170

-171

-172.

-173-

-174

- 175

- 176

-177

-178 -

-179

-180.

-181

-182

-183 184

-185

.186 145-147': Mostly silt, some fine sand, little gravel, not

-laminated, soft, damp, no plasticity.

- 147-155': Grayish Brown (5YR312) Silt: mostly silt, little clay, not laminated, firm, damp, no plasticity.

10' 10' 145-1 55' 0.0 I

I I-t I

Glasciolacustrine Sequence 10' 10' 155-156': Grayish Brown (5YR3/2) silt: mostly silt, little

-clay, not laminated, firm, moist, poor plasticity.

_156-157': Grayish Brown (5YR3/2) Sand: fine to medium sand, some silt, poorly sorted, loose, wet.

157-158': Same as 155-156'. but soft and wet.

158-159%: Same as 156-157'.

159-164.5: Same as 155-156', but very little clay. Rods

-are wet.

164.5-165': Same as 155-156' but very little clay and dry.

155-165' 0.0 GW-5 H-3=880 pCi/L

4.

I

+

I I

10' 10' 165-171': Grayish Brown (5YR3/2) Silt: mostly silt, little to

-no clay, firm, not laminated, moist to wet, poor plasticity (Silt).

171-174': Same as above, but some clay.

174-175': Crushed weathered rock, dry (cobble or bedrock).

165-175' 0.0 I

Bedrock 15' 10' Advanced SW drill casing to 175'. Cored competent rock

-from 175-190': biotitic albite gneiss. Natural fractures at

_173' and 173.5' (iron staining on 173' fracture).

Remaining fractures appear to be machine breaks.

-Missing 5 of sample Is probably due to washed out

-fractured material. Collected GW-6 from well after sand pack and bentonite seal were placed.

175-190' 0.0 GW-6 H-3<300 pCUIL J. _______

1.

£

'Results of on-site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-010-05

,t Yankee Nuclear Power GEOLOGIST'S LOG for Well No.:

MW-109B

.7

Station, Rowv1.4 IPage 6 of 6 Depth Well Log Stratigraphy PemetratioRecovery Soil Core Description Depth Water Cnc No.

~:;:;;'I'PM1 S WaI No.p

-187 Cored competent rock from 175-190: biotitic albite gneiss. Natural fractures at 173' and 173.5' (iron staining GW-6

-188 Bedrock 15' 10'

-on 173'fracture). Remaining fractures appear to be 175-190' 0.0 H-3<300 -

machine breaks. Missing 5' of sample is probably due to pCiIL 190

_ _L..L..i

___washed out fractured material.

Well Construction Details:

0-1': Concrete and Flushmount Roadbox 1'-175.5: Portland Cement/Bentonite Grout 175.5'-177.5': Bentonite Chip Seal 177.5'-190': #0 Silica Sand Filter Pack 0-180': Schedule 80 2.5" PVC Riser 180'-190': 0.010" Schedule 80 2.5" PVC Screen 190': Bottom of Boring 0-20': 8" Steel Casing Cement/Bentonite-Grouted in Place Results of on-Site radiological screening <MDL unless otherwise noted

Appendix 1 to YA-REPT-00-010-05 GEOLOGIST'S LOG for Well #: MW-109C Project:

Yankee Ground Client:

Yankee AtomicI Drilling Coa. D.L Mlaher Date Started:

August 6,2004 Location:

Rowe, Massachl Screen Diani:

2 inches Casing Diam: 2 inches Boring Depth: 55 feet SurfaceElev.:

1124.2 feet MSL On-Site GW Analyses: None Water Investigation Electric Conipany Isetts Project Number Logged by-.

Dave Scott Driller:

Rov Buckenberg Date Finished:

August 9,2004 Drilling Method:

Rotosonic Length:

5 feet Length:

49 feet Well Depth: 54 feet MP:

Ground Surface Off-Site GW Analyses: None 31-32

-33.

34-35

-36 37

_38-39-40-41- -

44.

45.

46 47 48 49 50.

51-52.

53_

54.

55-See log of MW-109B for description of sediment and ground water samples.

]

Well Construction Details:

0-1': Concrete and Flushmount Roadbox 1'-42.5': Portland Cement/Bentonite Grout 42.5'-46.8': Bentonite Chip Seal 46.8'-55': #0 Silica Sand Filter Pack 0-49': Schedule 40 2" PVC Riser 49'-54': 0.010" Schedule 40 2" PVC Screen 55': Bottom of Boring I

_ 56.

Key to Well Construction r.z Sandpack F

WellScreen 0

Cement/BentoniteGrout Bentonite Seall S

Concrete and Fluslunount Roadbox

Appendix I to YA-REPT-00-010-05 GEOLOGIST'S LOG for Well #: MW-109D Project:

Yankee Ground Water Investigation Client:

Yankee Atomic Electric Company Drilling Co:

D.L. Maher Date Started:

August 2,2004 Location:

Rowe. Massachusetts Screen Dianm:

2 inches Casing Diarn: 2 inches Boring Depth: 113 feet Surface Elev.: 1124.2 feet MSL On-Site GW Analyses: None Project Number.

Logged by Dave Scott Driller.

Roy Buckenberg Date finislied:

August 6,2004 Drilling Method:

Rotosonic Length:

5 feet Length:

88.7 feet Well Depth: 93.7 feet NIP:

Ground Surface Off Site GW Analyses: None Depth Well Log

~77/

-78/

r79 81 82/

83

- 84 85

- 86

-87

-88

-89

-90

_ 91

_ 92 93

-94

-95

-96

-97 98

- 99

-100

- 101-

-_102.

Slratigraphy I Penetration IRecovery I See log of MW-1 09B for description of sediment and ground water samples.

Well Construction Details:

0-1': Concrete and Flushmount Roadbox 1'-83': Portland Cement/Bentonite Grout 83'-86': Bentonite Chip Seal 86'-96': #0 Silica Sand Filter Pack 0-88.7': Schedule 40 2" PVC Riser 88.7'-93.7': 0.010" Schedule 40 2" PVC Screen 113': Bottom of Boring (filled to 96 feet with bentonite chips) 0-21': 8" Steel Casing Cement/Bentonite-Grouted in Place Key to Well Construction E

Sandpack F

WellScreen E

Cement/BentoniteGrout M Bentonite Seal

[M Concrete and Flushlnount Roadbox

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