ML20247F467

Hematite Revitalization Program,Util/Support Bldg Const Zone Soil Sampling Results

ML20247F467
Person / Time
Site:	07000036
Issue date:	07/31/1989
From:	ABB COMBUSTION ENGINEERING NUCLEAR FUEL (FORMERLY
To:
Shared Package
ML20247F447	List: ML20247F443 ML20247F467
References
25760, NUDOCS 8907270158
Download: ML20247F467 (8)

Text

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HEMATITE REVITALIZATION PROGRAM UTILITY / SUPPORT BUILDING CONSTRUCTION. ZONE SOIL SAMPLING'RESULTS l

July, 1989 j

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8907270158 890718 PDR ADOCK 07000036 C

PDC Combustion Engineering, Inc.

Nuclear Power Businesses (314) 937-4691 P. O. Box 107 l

(314) 269-5640 Hematite, MO 63047

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CORE SAMPLING - HEMATITE CONSTRUCTION AREA i

i Core samples at 'one-foot intervals to a ' depth of six feet were obtained at locations Cl through C5, using a split spoon core sampler with an I.D. of l-1/2 inches.

A 2.5 to 3 inch section was taken after drilling to the proper depth. The split spoon sampler and all equipment involved was cleaned with a high pressure water spray between samples to prevent cross-contamination..The outer 1/4 inch was " peeled" from the sections to eliminate any surface smear-ing which may have occurred during sampler penetration.

The sample size retained was about 100 grams.

The consistency of' most samples was " packed mud".

The samples were dried and crushed and a 0.5 gram portion removed for count-ing.

The 0.5 gram sample was spread evenly on the bottom of a metal planchett and counted for 10 minutes for gross alpha activity, using a Tennelec LB5100 low background counting system.

Results were multiplied by the factor of 4.47 to correct for alpha absorption in the sample.

I NEW SEWER LINE. FOOTING AND GENERAL AREA SAMPLING - HEMATITE CONSTRUCTION AREA Evenly distributed sample locations were established using the " Storage /

Utility Building" drawings.

These sample locations are labeled Sul - SU22 (footing), SUFL1 - SUFL18 (general area) and SUSL1 - SUSL10a (new sewer).

Samples had to be taken in sequence of excavation locations.

The asphalt was removed one section at a time to avoid uncovering any large areas of dirt before they could be analyzed.

The reason.for this procedure was to lessen the possibility of rain water spreading any possible contamina-tion.

After each location was excavated, a 100 gm sample was removed using a stain-less steel scoop.

Each footing sample had to be analyzed prior to pouring.of concrete.

The samples were dried and crushed andl a 0.5 gram portion removed for' count-ing. The 0.5 gram sample was spread evenly on the bottom of a metal planchett and counted for 10 minutes for gross alpha activity, using a Tennelec LB5100 low background counting system.

Results were multiplied by a factor of 4.47 to correct for alpha absorption in the sample.

GRID SAMPLING - HEMATITE CONSTRUCTION AREA A 25 foot grid pattern was established covering the area' where the Stor-age / Utilities building is to be built. The sample locations are labeled G1 -

G17.

Samples were taken at the corners of each grid cell.

Each sample was taken at a depth of 1 foot.

Sample size - 100 gms taken with a stainless steel scoop.

The scoop was thoroughly cleaned between samples to avoid cross contamination.

The samples were dried and crushed and a 0.5 gram portion removed for count-ing. The 0.5 gram sample was spread evenly on the bottom of a metal planchett

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'and counted.for 10 minutes for gross alpha activity, using a Tennelec LB5100.

low background counting system.

Results were multiplied by a factor of 4.47 to correct for alpha absorption in the sample.

l STORM SEWER SAMPLING - HEMATITE CONSTRUCTION AREA Storm sewer removal and sampling was done in conjunction with' the excavation of the footings and of the general area.

Prior to starting work, radiation training was provided to the contractors involved with the excavation. of the sewer pipe.

This is.the same training provided to the CE employees.

A backhoe was used to remove the dirt down to the top of the sewer pipe.

Any excavated dirt which was analyzed and deter-mined clean was moved to a designated location outside of the fenced area.

Any 9xcavated dirt which was analyzed and determined to be contaminated, was placed into tote boxes and prepared for burial.A backhoe was al.so used to remove the soil from around one side of the pipe down to the same level as the bottom of the pipe.

This soil was handled in the same manner as described above. The area around the excavation was continually being monitored for gross beta / gamma activity using a nuclear Chicago Model 2650 survey meter.

The area under the pipe joints was removed by shovel so that the H.P. techni-ciu. could access the soil for sampling.

Sheets of plastic were placed below each joint before separation to catch any leakage.

Most sludge, if any, was solid enough that only very small amounts were lost from each section during removal.

Each sample from joint or sludge from inside the pipes was approxi-mately 200 cc.

After inspection, each pipe was placed into a tote box for j

burial.

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The samples were dried and crushed and a 0.5 gram portion removed for count-ing. The 0.5 gram sample was spread evenly on the bottom of a metal planchett

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and counted for 10 minutes for gross alpha activity, using a Tennelec LB5100 l

low background counting system.

Results were multiplied by the factor of 4.47

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to correct for alpha absorption in the sample.

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STORAGE / UTILITY BUILDING - CROUND SAMPLE PLAN

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NEW SEWER LINE SAMPLES '

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SAMPLE SAMPLE NUMBER Pci/CM DEPTH SUSL 1

22 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 2

23 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 3

22 SAMPLE TAKLN DIRECTLY BELOW SURFACE SUSL 4

23 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 5

26 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 6

5 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 7

22 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 8

27 SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 9

6

. SAMPLE TAKEN DIRECTLY BELOW SURFACE SUSL 10 28 SAMPLE TAKEN DIRECTLY BELOW SURFACE

$USL 1a 16 APPROX.

36 INCHES BELOW SURFACE SUSL 2a 9

APPROX.

36 INCHES BELOW SURFACE SUSL 3a 13 APPROX.

36 INCHES BELOW SURFACE SUSL

4. a 16 APPROX.

36 INCHES BELOW SURFACE SUSL 5a 27 APPROX.

36 INCHES BELOW SURFACE [

SUSL 6a 14 APPROX.

36 INCHES BELOW SURFACE SUSL 7a 12 APPROX.

36 INCHES BELOW SURFACE SUSL

8. a 28 APPROX.

36 INCHES BELOW SURFACE SUSL 9a 9

APPROX.

36 INCHES BELOW SURFACE SUSL 10 a 13 APPROX.

36 INCHES BELOM SURFACE CORE SAMPLES C1 8

SAMPLE TAKEN DIRECTLY BELOW ASPHALT' C1 8

APPROX.

12 INCHES BELOW SURFACE C1 11 APPROX.

24 INCHES BELOW SURFACE C1 11 APPROX.

36 INCHES BELOW SURFACE C1 5

APPROX.

48 INCHES BELOW SURFACE C1 21 APPROX.

60 INCHES BELOW SURFACE C1 3

Arruun.

(Z INCMtb BELGd EURFACE C2 11 SAMPLE TAKEN DIRECTLY BELOW ASPHALT C2 18 APPROX.

12 INCMES BELOW SURFACE-C2 12 APPROX.

24 INCHES BELOW SURFACE C2 11 APPROX.

36 INCHES BELOW SURFACE C2 11 APPROX.

48 INCHES BELOW SURFACE C2

.9 APPROX.

60 INCHES BELOW SURFACE CZ 3

ArruuA.

(2 INCME5 BELOW SURFACE C3 3

SAMPLE TAKEN DIRECTLY BELOW ASPHALT C3 14 APPROX.

12 INCHES BELOW SURFACE C3 5

APPROX.

24 INCHES BELOW SURFACE C3 14

' APPROX.

36 INCHES BELOW SURFACE C3 9

APPROX.

48 INCHES BELOW SURFACE C3 6

APPROX.

60 INCHES BELOW SURFACE G5 h

Arrnua.

(Z INCHE5 BELOW EURFACE C4 22

-SfdPLE TAKEN DIRECTLY BELOW ASPHALT C4 142 APPROX.

12 INCHES BELOW SURFACE C4 20 APPROX.

24 INCHES BELOW SURFACE C4 28 APPROX.

36 INCHES BELOW SURFACE C4 8

APPROX.

48 INCHES BELOW SURFACE C4 12 APPROX.

60 INCHES BELOW SURFACE C4 lb APPROX.

(Z INCHES BELOW RJRFACE C5

{3 SAMPLE TAKEN DIRECTLY BELOW ASPHALT C5-43 APPROX.

12 INCHES BELOW SURFACE C5 11 APPROX.

24 INCHES BELOW SURFACE C5 17 APPROX.

36 INCHES BELOW SURFACE I

C5 3

APPROX.

48 INCHES BELOW SURFACE

~' C5 2

APPROX.

60 INCHES BELOW SURFACE Ch 5

APPROX.

(Z INCHES BELOW SURFACE

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FOOTING SAMPLES.

SAMPLE

. SAMPLE S

NUMBER -

Pel/GM DEPTH -

SU 1 10 APPROX.

36-INCHES BELOW SURFACE SU 2 15 APPROX.

36-INCHES BELOW SURFACE.

SU 3 6

APPROX.

36 INCHES BELOW SURFACE SU 4 18 APPROX.

36 INCHES BELOW SURFACE SU 5 10, APPROX.

36 INCHES BELOW SURFACE SU 6 21 APPROX.

36 ' INCHES BELOW SURFACE SU 7 23 APPROX.

36 INCHES BELOW SURFACE SU 8 13 APPROX.

36 INCHES BELOW SURFACE -

SU 9 7

APPROX.

36 INCHES BELOW SURFACE SU 10 14 APPROX.

36 INCHES BELOW SURFACE,

SU 11 18 APPROX.

36 INCHES BELOW SURFACE SU 12 7

APPROX.

36 INCHES BELOW SURFACE 70 13 22 APPROX.

36 INCHES BELOW SURFACE SU 14 14 APPROX.

18 lNCHES BELOW SURFACE SU 15 6

APPROX.

36 INCHES BELOW SURFACE SU 16 11 APPROX.

36 INCHES BELOW SURFACE -

SU 17.

23 APPROX.

54 !NCHES BELOW SURFACE SU 18 16 APPROX.

60 INCHES BELOW SURFACE SU 19 19 APPROX.

'48-INCHES BELOW SURFACE-SU 20 18 APPROX.

48 (NCHES BELOW SURFACE SU 21 11 APPROX.

48 INCHES BELOW SURFACE SU 22 7

APPROX.

48 INCHES BELOW SURFACE 25 FOOT GRID SAMPLES C-1 4

APPROX.

18 INCHES BELOW SURFACE G

2 15 APPROX.

18 INCHES BELOW SURFACE G

3 15 APPROX.

12 INCHES BELOW $UkFACE G

4 15 APPROX.

12 INCHES BELOW SURFACE G

5 12 APPROX.

12 INCHES BELOW SURFACE G

6 11 APPROX.

12 INCHES BELOW SURFACE G

7 25 APPROX.

12 > INCHES BELOW SURFACE G

8 7

APPROX.

12 INCHES BELOW SURFACE

-G 9

9 APPROX.

12 INCHES BELOW SURFACE G

10 5

APPROX.

12 INCHES BELOW SURFACE G

11 12 APPROX.

18 INCHES BELOW SURFACE G

12 9

APPROX.

12 INCHES BELOW SURFACE G

13 8

APPROX.

18 INCHES BELOW SURFACE G

14 11 APPROX.

12 INCHES BELOW SURFACE G

15 26 APPROX.

12 INCHES BELOW SURFACE G

16 5

APPROX.

18. INCHES BELOW SURFACE G

17 12 APPROX.

18 INCHES BELOW SURFACE s

s CENERAL AREA SAMPLES SUFL 1 14 APPROX.

12 INCHES BELOW SURFACE SUFL 2 18 APPROX.

36 INCHES BELOW SURFACE SUFL 3 24 DIRECTLY BELOW ASPHALT / CONCRETE i

SUFL 4 21 APPROX.

12 INCHES BELOW SURFACE SUFL 5 16 APPROX.

48 INCHES BELOW SURFACE SUFL 6 9

DIRECTLY BELOW ASP *. ALT / CONCRETE SUFL 7 19 APPROX.

42 INCHES BELOW SURFACE SUFL 8 5

APPROX.

18 INCHES BELOW SURFACE 3

SUFL 9 14 APPROX.

36 INCHES BELOW SURFACE SUFL 10 9

DIRECILY BELOW ASPHALT / CONCRETE

'j SUFL 11 23 DIRECTLY BELOW ASPHAL1/ CONCRETE -

SUFL 12 8

DIRECILY BELOW ASPHALT / CONCRETE SUFL 13 21 DIRECILY BELOW ASPHALT / CONCRETE l

SUFL 14 9

DIRECTLY BELOW ASPHALT / CONCRETE i

SUFL 15 22 APPROX.

48 INCHES BELOW SURFACE I

SUFL 16 23 SEE GRID SAMPLE GEa FOR SAMPLE INFO I

SUFL 17 14 APPROX.

10 INCHES BELOW SURFACE

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SUFL 18 7

APPROX.

10 INCHES BELOW SURFACE

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