C-129

Client Westinghouse Electric CompanyLocation: Hematite, MOProject: Hematite Remedial InvestigationDate Started OS/25/04

Date Finished 08/02/04Geologist: J. BostwickDrilling Contractor: Geotechnology

Boring: BR-5-RB Drilling Method RotarySurf. Elev. 436.79Northing 866422.63Easting 828840.07Total Depth of Boring 244.0 feetTop of Casing 439.42Total Depth of Well 244.8 feet

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~ "0 ROD LL~ Lithology Lithology Descriptionw 0 U LL Well Construction Well Construction Desc.

Protective Casing (4")

Westinghouse Electric CompanyHematite Facility3300 State Road PFestus, MO 63028

Portland Cement

2" Sch 80 PVC Riser

6" Steel Isolation Casing

2.0' x 2.0' x 0.5' Concrete Pad

High Solids Bentonite Grout(Tremied)

Westinghouse Electric Company

Hematite Remedial Investigation

Hematite, MO

BR-5-RB

1 of 5

Client:

Project:

Location:

Borehole:

Sheet:

DOLOMITE: gray, hard, sandy, pitted/vuggy

FILL: DGA

CLAY: brown to reddish brown, plastic,damp, medium stiff, trace of roots

DOLOMITE: gray, hard, fine grained,slightly weathered along bedding plane

CLAY: reddish brown plastic, wet

Top of Bedrock 39.0'

CLAY: brown, plastic, wet

CLAY: brown, plastic, damp to moist, stiff

CLAY: gray, plastic, damp to moist, stiff,trace of gravel at 13.5', moist to wet at 16.0'

CLAY: with silt, brown, plastic, moist,med iu m stiff

CHERTY GRAVEL: light brown to brown,hard, non-plastic, wet, with medium sand,trace clay

SAND: brown to light brown, non-plastic,wet, medium density with silt

SAIC8421 S1. John Industrial DriveS1. Louis, Missouri

N/A

o

47

5.5/4.5 56

20/1.5

20/20

20/20

20/20

30/30

20/20

20/20

20/20

20/05

20/20

20/20

20/20

20/20

20/20

20/20

20/20

20/20

20/20

20/20

20/20

1.5/1.25

50

20

30

45

40

35

25

5

15

10

425

430

420

410

405

415

o

400

20/20

395

390

435

B Westinghouse

C-130

Client Westinghouse Electric CompanyLocation: Hematite, MOProject: Hematite Remedial InvestigationDate Started OS/25/04

Date Finished 08/02/04Geologist: J. BostwickDrilling Contractor: Geotechnology

Boring: BR-5-RB Drilling Method RotarySurf. Elev. 436.79Northing 866422.63Easting 828840.07

Total Depth of Boring 244.0 feetTop of Casing 439.42

Total Depth of Well 244.8 feet

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LL Litholo9Y Litholo9Y Description Well Construction Well Construction Desc.

B WestinghouseWestinghouse Electric CompanyHematite Facility3300 State Road PFestus, MO 63028

6" Steel Isolation Casing

High Solids Bentonite Grout(Tremied)

Westinghouse Electric Company

Hematite Remedial Investigation

Hematite, MO

BR-5-RB

2 of 5

Client:

Project:

Location:

Borehole:

Sheet:

chert 111.7-112.0'

DOLOMITE: gray, very hard, silty to sandy,crystalline, pitted/vuggy, chert 78.1-78.6'

sand lenses 108.2-110.5'

DOLOMITE: gray, hard, micritic, w/wavygreen/gray shale laminae

DOLOMITE: gray, very hard, silty

DOLOMITE: gray, very hard, fine grainedwith gray shale laminae

DOLOMITE: gray, hard, sandy,pitted/vuggy, slightly weathered alongbedding planes

SAIC8421 S1. John Industrial DriveS1. Louis, Missouri

87

85

100/100 87

100/100 93

100/100

100/100

100/100 N/A

70

85

65

95

90

80

55

50

75

60

100

375

355

350

345

380

370

360

340

385

365

C-131

Client Westinghouse Electric CompanyLocation: Hematite, MOProject: Hematite Remedial InvestigationDate Started OS/25/04

Date Finished 08/02/04Geologist: J. BostwickDrilling Contractor: Geotechnology

Boring: BR-5-RB Drilling Method RotarySurf. Elev. 436.79Northing 866422.63Easting 828840.07Total Depth of Boring 244.0 feetTop of Casing 439.42Total Depth of Well 244.8 feet

gco1iliiw

g""15."o ROD

>­

" "~ c.a"" "mo-~ "LL~

LL Litholo9Y Litholo9Y Description Well Construction Well Construction Desc.

B WestinghouseWestinghouse Electric CompanyHematite Facility3300 State Road PFestus, MO 63028

High Solids Bentonite Grout(Tremied)

Westinghouse Electric Company

Hematite Remedial Investigation

Hematite, MO

BR-5-RB

3 of 5

Client:

Project:

Location:

Borehole:

Sheet:

DOLOMITE: gray, verry hard, silty,crystalline

chert 156.9-157.1'

DOLOMITE: gray, very hard, sandy, turbid,cherty

DOLOMITE: gray, very hard, sandy, pitted

DOLOMITE: gray, hard, silty, w/wavygray/black shale laminae

styolitic 144.4-144.8'

DOLOMITE: gray, very hard, micritic,w/wavy gray shale lamine

SANDSTONE: (QUARTZ ARENITE) gray,very hard, crystalline, calcareous

vertical fracture 145.1-145.4'

SAIC8421 S1. John Industrial DriveS1. Louis, Missouri

89

94

100/100 79

100/100

100/100

100/100 92

100/100 96

145

130

140

120

150

125

100

105

135

115

110

300

310

295

325

315

330

335

290

305

320

C-132

Client Westinghouse Electric CompanyLocation: Hematite, MOProject: Hematite Remedial InvestigationDate Started OS/25/04

Date Finished 08/02/04Geologist: J. Bostwick

Drilling Contractor: Geotechnology

Boring: BR-5-RB Drilling Method RotarySurf. Elev. 436.79Northing 866422.63Easting 828840.07

Total Depth of Boring 244.0 feetTop of Casing 439.42

Total Depth of Well 244.8 feet

gco1iliiw

g""15."o ROD

>­

" "~ c.a"" "mo-~ "LL~

LL Litholo9Y Litholo9Y Description Well Construction Well Construction Desc.

B WestinghouseWestinghouse Electric CompanyHematite Facility3300 State Road PFestus, MO 63028

Secondary Filter Pack(100 Mesh)

0.25" Bentonite Pellets

High Solids Bentonite Grout(Tremied)

Westinghouse Electric Company

Hematite Remedial Investigation

Hematite, MO

BR-5-RB

4 of 5

Client:

Project:

Location:

Borehole:

Sheet:

DOLOMITE: gray, very hard, micritic

CALCITE: white

DOLOMITE: gray, very hard, sandy, pitted

DOLOMITE: gray, very hard, micritic,crystalline

DOLOMITE: gray, hard, micritic

DOLOMITE: gray, very hard, silty, with grayshale streaks and lenses

DOLOMITE: gray, very hard, sandy, vuggy,crystalline

DOLOMITE: gray, very hard, sandy,pitted/vuggy, crystalline

DOLOMITE: gray, very hard, micritic,w/wavy green/gray shale laminae

SAIC8421 S1. John Industrial DriveS1. Louis, Missouri

96100/98

100/100 81

100/100 98

100/100 95

100/100 93

190

195

175

185

165

170

155

160

150

180

200

270

260

265

275

255

250

285

280

240

245

C-133

Client Westinghouse Electric CompanyLocation: Hematite, MOProject: Hematite Remedial InvestigationDate Started OS/25/04

Date Finished 08/02/04Geologist: J. BostwickDrilling Contractor: Geotechnology

Boring: BR-5-RB Drilling Method RotarySurf. Elev. 436.79Northing 866422.63Easting 828840.07Total Depth of Boring 244.0 feetTop of Casing 439.42Total Depth of Well 244.8 feet

>-~

g "-> "o " >-c g ,,~ " "0 ,,- ~ c~ ~ c .a"m "" " " "~

"D- mo-> "-" "

~~

~ "0 ROD LL~ Litholo9Y Litholo9Y Description Well Construction Well Construction Desc.w 0 U LL

200 ,

DOLOMITE: gray, very hard, silty, wlwavy

"green/gray shale laminae Primary Filter Pack0235 (10/20 Mesh)

turbid 202.5-203.3' "0"0

100/91 71 "0205 DOLOMITE: gray, hard to very hard, sandy, 2" Sch. 80 PVC Screen, 0.010" Slot

"pitted/vuggy0

230 "0"0"10/10 0 0

210 "0"225 0

"0"0

90/90 78 "215 0

"0220 "0

"0"DOLOMITE: gray, very hard, silty, w/gray 0

220 shale streaks

"DOLOMITE: gray, very hard, sitly to sandy, 0turbid "215 0

"0"100/100 93 0

"225 DOLOMITE: gray, hard, silty, w/green shale 0lenses

"chert (gray to white) 226.3-227.0' 0210

"DOLOMITE: gray, very hard, sitly, 0wloccasional wavy green shale laminae

"0"230 0

"0"205 0

"0SANDSTONE: buff, hard, medium grained,

"100/100 76 crystalline0

235 "0"200 0

"0"0

DOLOMITE: gray, very hard, silty to sandy "0240

"0195 "50/50 83 0

"0"0

245 Bottom of Hole 244.0' Bottom of Well 244.8'

190

250

B WestinghouseWestinghouse Electric CompanyHematite Facility3300 State Road PFestus, MO 63028

SAIC8421 S1. John Industrial DriveS1. Louis, Missouri

Client:

Project:

Location:

Borehole:

Sheet:

Westinghouse Electric Company

Hematite Remedial Investigation

Hematite, MO

BR-5-RB

5 of 5