ML092730260

Pu Plant Septic Tank Drainage System

ML092730260
Person / Time
Site:	07000925
Issue date:	11/02/1989
From:	Rogers W Cimarron Corp
To:	Region 3 Administrator
Shared Package
ML092720355	List: ML092720430 ML092720432 ML092720433 ML092720434 ML092720435 ML092720436 ML092720437 ML092720438 ML092720439 ML092720455 ML092720456 ML092720472 ML092720473 ML092720491 ML092720492 ML092720604 ML092730255 ML092730256 ML092730257 ML092730258 ML092730259 ML092730260 ML092730261 ML092730262 ML092730263 ML092730264 ML092730266 ML092730267
References
Download: ML092730260 (52)

Text

PU PLANT SEPTIC TANK DRAINAGE SYSTEM Tiihis system originated in the Boiler Room, Men's Changeroom urinalsi Men's Changeroom stools, H.P. stool the Women's Changeroom.,

stools,"'.Breakroom sink and water fountain.

It was collected in a concrete tank east of the Pu Plant and then drained to the sanitary lagoons.. This system has approximately 63 meters of. 4" cast iron_

pipe,.159 meters of 6" cast iron pipe, and five 2" drain connecting legs in the Boiler Room.

This system has two manholes one east and, one.west of the septic tank.

we sampled. the solids in the bottom of both manholes and the septic tank'(Figure #1,.2, and 3).

We found approximately 400 22

• !i "dpm/iO0" cm in the pipe just west of west manhole and :

/

approximately.1400 dpm/100 cm2 in one spot on the floor of the septictank'.i`"

Septic tank floor was cleaned to release limits by vacuuming.

We used a roto-rooter and a steel brush on the pipe where contamination problems were identified and scrubbed the.'..,

manholes. and septic tank.

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• AFE/PROJECT NUMBER: 84007 DATE RECEIVED:

6-13-89 LOCATION: Cimarron SUBMITTED BY:

R.

Fine

• PLE NAME:

RF \\CIM\\12-JUN-89\\ \\

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\\CS-135 SAMPLE"DESCRIPTION:

Sludge 6-Jul-i 98cý SAMPLE ID: 963345 COMPLETION DATE:.

7-06-89.

ijtjr AA,-JAof&

NOTES:.

Alpha Beta Pu-239 NBR same as 963344 23 pCi/9 (5

pCi/9 0.78+-0.05 pCi/q U-234 U-238 3.41+-0.21 pCi/q 1.42+-0.13 pCi/q All constituents soluble unless otherwise specified:

i=insoluble constitutent, t=total constitutent

• Gross Alpha greater than 15 pCi/i.

Radiometric analyses will be run and the results reported later.

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APPROVE

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• DISTRIBUTION:

J.C.

STAUTER, D.M.

KECK,

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KERR-MCGEE CORPORATION Technology Division Proprietary Information of the Company4.v-TO BE KEPT CONFIDENTIAL, This/these samples are scheduled for disposal after 30 days.

If you want the samples retained or returned, please advise.

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AFE/PROJECT NUMBER: 84007

.JATE RECEIVED:

6-13-89 6-Jul-1985 SAMPLE ID: 963344 COMPLETION DATE:

7-06-89 LOCATION: Cimarron SUBMITTED BY: R.

Fine S PLE NAME:

RF \\CIM\\12-JUN-69\\

\\

\\

\\

\\CS-134 SAMPLE"DESCRIPTION:

Sludge 2v*

£e&*e (C

NOTES:

1717-JRJ-24P28 0**&

Alpha Beta Pu-239 45 pCi/9 U-234 16.5+-0.56 pCi/9' (5 pCi/g U-2381 5.24+-0.31 pCi/g 2.94+-0.22 pCi/9 All constituents soluble unless otherwise specified:

i=insoluble constitutent, t=total constitutent

• Gross Alpha greater than 15 pCi/l.

Radiometric analyses will be run and the results reported later.

• APPROVED: i\\,kf & i kX f

W U

• DISTRIBUTION:

J.C.

STAUTER, D.M.

KECK, i "

KERR-MCGEE CORPORATION Technology Division Proprietary Information of the Company, TO BE KEPT CONFIDENTIAL This/these samples are scheduled for disposal after 30 days.

If you want the samples retained or returned, please advise.

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d AFE/PROJECT NUMBER: 84076 SAMPLE ID: 861314 DATE RECEIVED:

6-24-88 COMPLETION DATE:

7-11-88 LOCATION: Cimarron SUBMITTED BY: R.

Fine....

W LE NAME: RF \\CIM\\23-JUN-88\\ \\

\\

\\

\\CS-79 PLE DESCRIPTION:. Pu East Manhole NOTES: Alpha Pulse Height,.

1580-JRJ-22P136, Pu-239 11.1+,0.44 pCi/g U-238 14.3+-70.42 pCi/g U-234 49.9+-0.79 pCi/g All constituents soluble unless otherwise specified:

i=insoluble constitutent, t=total constitutent+

• Gross Alpha greater than 15 pCi/l.'

Radiometric analyses will be run and the results reported later.

APPROVED:

K. %iri' "fi,,ia R

• DISTRIBUTION: J.C. STAUTER, D.M.

KECK,

+2., KERR-MCGEE CORPORATION Technology Division Proprietary3 Information of the Company TO BE KEPT CONFIDENTIAL.._

+*,*This/these samples are scheduled for disposal' after 30 days.

If you want, the samples retained or returned, please advise.

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PU PLANT LAUNDRY DRAINAGE SYSTEM This system originated at the Changeroom Showers, Changeroom sinks, Laundry drain, Janitor's sink, Health Physics decon sink and the water fountain by the production area south airlock.

This system has approximately 57 meters of 4" cast iron pipe with smaller diameter connecting legs and clean out ports.

This system terminated at the 10,000 gallon holding tanks located just north of the Pu Plant.

We removed the collecting tanks and approximately 17 meter of this 4" cast iron line located outside the building.

Soil samples were taken after removal of collection tanks and data is included in this report. Our initial survey indicated approximately 500 dpm/100 2

cm direct in the laundry drain drop leg and approximately 1000 2.

dpm/cm in the bottom of the 4" cast iron pipe north of the Pu Plant building.

One urinal and all three sinks in the Men's 2

Changeroom had from 100-300 dpm/100 cm direct.

These were removed or deconed.

We removed the laundry drain drop leg to gain access to the 4" cast iron pipe and started decontamination of this system.

We used a roto-rooter with a cutter, steel brushes, brush hone, and sulfuric acid to clean this system.

We leak tested this system and removed the 90 elbow located in the Health Physic hallway to provide better access for our survey with a 4" cylindrical gas proportional alpha detector or a 43-4 gas proportional detector. We use a 2" cylindrical gas proportional alpha detector on the drop legs to this system where possible.

The decon tub and decon sink lines were removed from this system.

We performed a scan with our 4" cylindrical gas proportional alpha detector before starting a final release survey on these,

lines.

We took readings every 0.5 meters where possible, pulled swabs through the main lines for smearable contamination and then 2

took 100 cm smears were possible in the main lines.

W.A. Rogers

INTERNAL CORRESPONDENCE TO S.C. Munson DATE April 12, 1989 R.

L. Fine Pu-Plant Soil Sample (UNIT)

The following information is provided for forwarding to Jim Berger,of ORAU, and other appropriate agencies, as result of requests made during the meeting on April 4, 1989, regarding the final release of the Cimarron facility from NRC licenses.

As of this date, results for 27 soil samples taken in or around the Plutonium Plant are available.

Three additional samples from inside the Plutonium Plant have been submitted to the Tech Center for anal-ysis.

Results for those samples will be forwarded when available.

Results of 15 of these samples, namely, CS-47 through CS-60, have been submitted to the NRC previously, in March 21, 1988, correspondence concerning on-site disposal of soil at the Cimarron Facility.

These were samples taken from boreholes around the Pu-Plant.

The Plutonium values reported for those samples was reported as pico-curies per gram of Pu-239, which reflects only a fraction of the total activity.

Attached is an isotopic break-down of Plutonium found at the Cimarron Facility, along with the specific activites for the isotopes present.

The Pu-239 results given by the Tech Center are based on the 5.1 Mev peak which is actually a total of Pu-239 and Pu-240.

Wayne has calculated the Pu-239 and Pu-240 alpha activity to be 67.86%

of total alpha activity (Pu + AM),

and only 7.84% of the total spe-cific activity (alpha plus beta).

An information sheet is attached.

..In order to better represent the total activity present, we probably should correct the Pu-239 values to show total activity (Pu + Am, alpha plus beta).

Total activity due only to alpha activity may also be useful in cases of higher activities.

Supplying results for the other 12 samples available to date may present an oppurtune time to submit corrections for samples CS-47 through CS-60.

I have applied the correction factors and listed them on an attached sheet.

Also attached are results for the other 12 samples, which also show the total activites.

Ron Fine RF:ls cc: A. W. Norwood

Cimarron Plutonium Isotopic Decay Corrected to 1-5-89 Specific Activity Ci/aram a IsotoDe Ci/qram-Pu IsotoDic Wt%

238 pu 2 3 9 PU 2 4 0 PU 241 pu 242Pu 241AM 17.4 0.0614 0.226 0.00468 (1126) 0.0039 3.24 0.0090 0.0531 0.0263 0.8701 0.000008 0.0290 0.05 86.47 11.62 0.77 0.20 0.89 0.987508 100.00

INFORMATIONAL SHEET Analysis by the Tech Center for 239pu is actually 239 plus 2 4 0 Pu.

This is based on the 5.1 Mev peak determined by alpha pulse height analysis.

Using Values from Sheet Showing Cimarron Pu Isotopic:

Relative %

of 5.1 Mev peak 5.1 M*ev Peak (by a PHA) 239Pu 0.8647 g/g x 0.0614 Ci/g = 0.053092 Ci 240pu 0.1162 g/g x 0.226 Ci/g = 0.026261 Ci 0.079353 Ci 66.91 33.09 100 The total specific activity of Cimarron Pu = 0.987508 239pu + 240Pu alpha activity is:

Ci/g so the 0.079353 or 8.04% of the total activity 0.987508 The total alpha activity of Cimarron Pu is 0.116932 Ci/g so the 239pu + 240Pu activity is:

0.079353 = or 67.86 of the total alpha activity 0.116932 (3)

Corrected Pu Values for Samples CS-46 through CS-60 Sample No.

Pu 239/240 Pci/aram a CS-46 CS-47 CS-48 CS-49 CS-50 CS-51 CS-52 CS-53 CS-54 CS-55 CS-56 CS-57 CS-58 CS-59 0.002 0.001 0.001

< 0.001 0.006 0.001

< 0.001 0.016 0.003 0.097 0.004 0.00 1 0.001 0.003 Total Pu + Am Pci/aram a + 8

.025

.012

.012

<.012

.075

.075

<.012

.199

.037 1.206

.05

.012

.012

.037

Sample Sample Sample Pu-239/240 Total Pu+Am Ra-226 Ra-228 U-238 U-234 No.

Date T.oca ion pci!Pra__

pci/gram pci/gram pci/gram pci/gram pcri/grq CS-32 3-27-87 Under line To 6K Tanks 0.012 0.149 0.21 0.10 1.82 CS-33 5-1-87 Dirt Around 6K Tanks 0.33 4.104 0.21 0.36 4.9 CS-68 6-6-88 Rm.

135 Under Break In 1.99 24.751 0.39 0.40 Drain Line CS-69 6-6-88 Rm.

135 Hole Dug Around 0.31 3.856 0.33 0.33 Break In Drain Line CS-77 6-21-88 Rm.

135 East Hole 0.0004 0.0049 0.38 Composite CS-78 6-22-88 Rm.

135 S.W.

Hole 0.004

.049 0.1.7 CS-79 6-23-88 Sludge From Manhole 11.1

• 138.06 14.3 49.9 CS-80 6-24-88 Rm.

135 East hole Drum #2 0.018 0.224 0.64 CS-81 6-24-88 Rm 135 East Hole Drum #13 0.005 0.062 0.64 CS-88 10-3-88 East 6K Tank (After 0.003

.037 0.98 Removal)

CS-89 10-3-88 West 6K Tank (After 0.002

.025 0.91 Removal)

CS-90.

10-20-88 Both 10K Tanks (After 0.006

.075 1.4

• Total Alpha 16.357 pci/g (5)

P a -I l/

r4

.4 4 k/L? A

'/YP pj8,; /ay< Y To-7W fl6PtPr

1. g[~C 401QIM-9 -,

0/

047

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PU BUILDING OUTSIDE WALL & UNDER FLOOR DRAINS':-ý'-ý'-.

~.

.. ~

BO-2, :and under exhaust tunnel and behind *wall soaetn 4 3 9 ugtw ols n asmetfloor trying to find -lines '. no :7--

s1"9':I.uccess.

es-i bseen.-

41489 Dug a L shaped hole 17T1/2 feet deep and 8 feetwide around east and north SX outside wall.

We located outside loop but did not find inside floor drain connection.

Print indicated that both systems connected in this area and drained northeast of building to perimeter fence.--

Initial low energy gamma survey indicated:

Southeast End of Ditch Southeast End of Ditch Northeast Clay Bank Northeast Clay Bank Northest Bottom Of Ditch Northeast Bottom of Ditch Northwest 'Corner -

Sand

."Northwest Corner -

Sand Inside Clay Tile South Inside Clay Tile West Inside Clay Tile Northeast

-85 81 126 1*:16 84 3 2 0 t323 83 80 230 All Other Readings 80 counts/0.1 min (See Figure #2)

AN 4-1

-8

,h N.r e

e asurveyed west bank of hole an sve e~samp.

nd:suv ee t.Airt emoved rom-hole with a lw ergy..gama tr.-:

me

',f~'

4i deo'tectrN' iscrminationriýfor,-energies" [*above.1i00 RiKev' ')

anda gross b' `-'-"d',W

'l c

teAun gimma "dirt probe W.e.

ct a smal*l o.-amoutodrt hadbeen...removedfromtheh0ole that was";high and confiret-b..

-e

'h' dr' ou -suspension of 'U-cntamination f trlerarea.

• 'agamma"r spectrum.

(depleted U trai ler used in production) t epl.eted N'

`H 4'sn Not N1.

i Hotsand,"Northwest corner 51.4 pci/gram

'Northeast bottom 12.6 pci/gram S

Northwest end of ditch

.14.1 pci/gram Southwest end of ditch 21.6 pci/gram Hot sand - Northwest corner

1. 2 257.4 pci/gram.

1. 3 "100.9, pci/gramý

1. 4 177. 0 pci/gram*

'.We then repeated our sampling & compared results with our Low

& Gross gamma probes to determine an -, 30 pci/gram clean-uP

".'./point'. "(data & graphs included)

The open joint clay tile we surveyed for alpha contamination and no problems were found, but we found sediment in the

':"":~~~

~

o heseS til

-e i

, dramn line crossing the yard from les.

6 feet from building corner inside drain pipe 31.6 pci/gram 6 feet outside fence 2 feet from end of pipe Dirt under outlet of pipe 39.5 pci/gram 40.1 pci/gram 16.5 pci/gram

U C.

L dirt 30 pci/gram was moved to U-plant yard.:Drain tile 1

4

,.di c*arge line were rpired And dirt was setulrnet to hole.

j

,Confirmation zamp es of soil & water were 'sent toK0 eh

-Center for Unum and PuanlysLs

.(Fure ad )

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,h AFE/PROJECT NUMBER: 84007 SAMPLE ID:.9532 DATE RECEIVED:* ýýk 5" 9-..89 COMPLETION DATE.: 5.

.69 O.-OCATION: ":Cimarron 4 JBMITTEDBY R. Fine

,SAMPLE NAM S

MAY-e.\\

\\CS-132

~WSAMPLEiDESCITD:

ate

~NOTES:

NBR 'same as 953.. -o

-'b 4

All constituents soluble unless otherwise specified:

.i=insoluble constitutent, t=total constitutent 7-

• Gross Alpha 9reater than 15 pCi/l.

Radiometric

.,analyses will be run and the results reported latei.

A*

PPROVED:.

• DISTRIBUTION:

J.C. STAUTER, D.M.

KECK, "7.....

KERR-MCGEE CORPORATION Technology Division "

,?">

Proprietary Information of the Company TO BE KEPT CONFIDENTIAL If you want the samples retained or returned, please advise.

.7 "I

'ft.

7

HO',-May 1989

,AFE/PROJECTNUMBER 84007 SAMPLE 53253 DATE RECEIVED:

",09169 COMPLETION DATE

-'30 89 TIO:

imarron

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WM I TTED ýB-Y:

R "Fjne SAMPLE NAME: "..RF.

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0 NOTES-:,NBR.... -a m.... e" a s ":9

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i?:i*,*y f*

° :'*'::*'*> "** * : '* *' '* :,**"*'!

.*:.... -::',:*t AIph Beta Pu -, 39 110 pCi/q 80 pCi/q U-234 U-2313 10+-.45 pCi/g 22+-0.30 pCi/9 0.010+-0.002 pCi/.

All constituents soluble unless otherwise specified:

i=insoluble constitutent, t=total constitutent Gross Alpha greater than 15 pCi/l. :Radiometric analyses will be run and the results reported later.

• APPROVED:-'

f.*./R

• DISTRIBUTION:

J.C.

STAUTER, D.M.

KECK, KERR-MCGEE CORPORATION Technology Division Proprietary Information of the Company TO BE KEPT CONFIDENTIAL This/these samples are scheduled for disposal after 30 days.

If you want the samples retained or returned, please advise.

t'X

-ýn

-~Sep l?8 -

.. FE/PROJECT "NUMBER:

S'-O

' -AMPLE D: 983681 V.

..ATE RECEIVED:

6--,"

COMPLETION DATE:.

5-89 LocAtION: Cimarron M I TTED ;BY: :,:-R.`, Fi

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SAMPLE 'ýNAME" RF"AIM j:-U7-9 CS\\--

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NOTES:-Alpha p u se hei9ht nDo ot filte-;

i..-hakc We A*.

Pu-239 U-234 0.91.+-). 1.3 pCi/ 1 307 +-6 pC-i /

U-235 U-23B 7.2+-0.9 pCi/l 124+-a pCi/l All constituents soliuble unless otherwise specified:

i=insoluble constitutent9 t=total constitutent

• Grossi Alpha groater than 15 pCi/l.

Radiometric".

analyses will be r'un and the results reported later.,,?.

APP'ROVEDj:

~

1t(~R\\qz-v~

TISTRIBUTION:

J.C, SC UTER, 7I.M.

RECK,

/

M".

KE K KERR-MCGEE CORPORATION Technology Division Proprietary Tnforrmation,-

the Company TO BE KEPT CONFIDEENTIAL This/these samples are s,'heduled for disposal after 30 daYs.

If you want :he samples r;.ttained or returned, please advise.

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tt._ j to

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-'--DATE'-RECEIVED:

9

-'2-E9 COMPLETION DATE:...

i-*3:

OýCATION: -,,.Cimarron,

~4~BMITTED EY: R. ý'F ine 4>,-f SAMPLE NAME RF -\\CINI 13-SEP-89\\

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VSAMPLE ýDESCRIPTION:,F o(nudat i oni dt-ain watet NOTES: :A7147 JF::'3Rj 7'4P8" P u-2-3 9

0) 00B+-0. C)0 pCI./

U-235

3. 3+-C.!

pCi/i U-234 83+-:`-- pci/i U-.236 4 2+ - 7 pCi/i A~ll constituunts soluble unless otherwise specified:

• Gross Atlphai greater-than 15 pCi/i. 'Radiometric analyses will be run end the results reported later.

W.

W

• APPROVELI

• a l

• DISTRIE-3LTION: J..C

AUTER, D.M.

KECE

~KERR--MCGE.E CORPORATION Technology Division Proprietary In-Formation of the Company TO BE KEPT CONFIDENTIAL This/these samples are sc~heduled for disposal after 30 days.-

If you want the samples retained or returned, please advise.

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