ML20209D276
| ML20209D276 | |
| Person / Time | |
|---|---|
| Site: | 07001193 |
| Issue date: | 04/03/1974 |
| From: | Hind J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Thornburg H US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20209D148 | List: |
| References | |
| FOIA-86-281 NUDOCS 8609090256 | |
| Download: ML20209D276 (9) | |
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l' fApst1l311974[' "'_ ~ y Ilarold D. Thornburg, Chiaf.Fic1d Support and Enforcement Branch Directorate of Reguistory Operations, 1cadquarters EERR-McCEE C0aPORAT10N, CDIA"Jt0N PLhr0NIU!! Plat.T
" SCC!ARY REPORT -
INW2. TORIES OF FELRUARY 15, 1974 AlD HARCH 8,1974" Euclosed is one copy of the Kerr-!!cces report, adject as above, which the licenses transnitted to RO 1II to co= ply with Licence Condition 3.6 of l
A~ ' hat 1:o. IIPP-1 to Licenso lio. SN'i-13 74. This license condition requires that if the qusutity of plutoniuu !UF cr.cceds its anoociated li=its of error or the limits of crror excood 1.5 kilograms of platonium, the licensee chs11 l
P prouptly notify RO III and taka irr.ediate action to investigste the cause for the excessive values. Within thirty days aftcr the initial notice, the licensoa shall notify RO:III in uriting of the probablo reasons for the excessive values and the. corrective action taken er planned.
The chronology of events is in agreement with what Charles Peck observed from j
Marc
!!srch 12,1974. Picase note that the final ifarch 8 inventory ):UY as
.y allograns or plutonium gain.
In general, the corrective action should produce better material balance results and the variable !!UF quantitics hopefully will not be of the quantity j
experienced in the February and !! arch periods. Only the correctiva action concerning the uno of alternsta asesy procedures to i= prove the analytical precision vill directly effect the LEmF which alas exceeded 1.5 kilograus of plutonium for theae two inventories.
It vss evidaat in the AEC-Kerr !!ccee meeting at lieadquarters on !!crch 21 and also la thts report that'the licensee still does not recognize the 11scits of error associated with the constant holdup quantity as being included in the 1.5 kilo 3: sus specification.
l The April plutonium inventory started on April'2. We'll keep you infor=od of the results. At this time, we are aware of no act5ons 'on the part of Karr-l McGee or Licensing to a11avista the LE !UF problem.
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SUMMARY
REPORT 0h W
CIMARRON PLUTONIUM PI. ANT INVENTORIES OF 2-15-74 & 3-8-74 YoJ~~
A.
Chronological Events 1.
First inventory taken 2-15-74 covering the period of 1-10-74 through 2-15-74.
'2. The inventory data was completed on 2-26-74 Mr. Jack Hind was informed by telephone of the inventory results and also told that another inventory was planned issuediately.
3 Later that day Jack Hind called back indicating he would make a recommendation to Region III Director that the plutonium plant be shut down until some corrective action was completed.
4.
On Friday (3-1-74) a conversation was held with Messrs J. Hind and Fiore111 of Region III and Mr. Dunn of K-M where K-M reconsnended a temporary shut down until the re-inventory was complete.
In an effort to continue a vital production ares and perform a series of technical studies, an agreement was made to use the sintering furnace for these studies while the inventory was in process.
5 A review of the 2-15-74 inventory was started on 3-174 with a detailed plant check performed on 3-2-74. The inventory data sheets were reviewed and found to be in close comparison to clie
~
2-15-74 inventory.
6.
since the data assembled on 3-2-74 and 3-3-74 was used as s'.
check on the prior inventory, the data was not used as an official inventory. On Monday (3-4-74) the plant started a detailed check of all araas which consistad of the following:
a) Brushing down the glove boxes in the dry processing areas.
b) Relisting of all completed pins.
c) Roweighing ail pellets in the pellet storage area.-
, d) Reveighing pellets and powder in the pressing area.
. e) Check weighing (gross weights) all packages in the vault and segregating the packages where the gross weight was dif ferent than the net weight, by more than 200 grama.
This difference was allowed for the plastic bag tape, etc.
sealing the container. All packages whose weight was off by more than this (+ 200 grams) was transferred back to the area from which it came, bagged irco a glove box and.-
reveighed. The item was then transferred back to the vault, t
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f) 1:spssted tha calcin:r in th2 pallot perccssing croc.
No material was found.
g) Washing down the glove boxes in the wet process areas.
h) cleaning and washing the process equipment in the wet areas.
- 1) Clea'ning the receiving and exit ends of the calciner in the ceramic area.
j) Sampling and assaying the second calcined powder in the pellet area and vault. Previously the analysis of the virgin powder was also used for the second calcined powder.
The analyses were significantly different, k) All wall storage tanks were checked for solutions.
- 1) The scrap solutions generated from this cleanout we're weighed, samples and analyzed, a) Waste material was burned, sampled and analyzed.
4 7
On Tuesday (3-5-74) a letter was sent to K-M from James Keppler
^
of Region III requesting the shut down with the exception of the pellet sintering furnace.
8.
After the inventor"y was complete, the data was checked with the prior inventory. On Monday (3-11-74), it was determined that approximately 10 Kg of plutonium was inventnried which was not inventart ed on either the 2-15-Th or 3-2-74 inventory. This additional material was from the following sources:
(verified by Charles Peck of Region III) scrap Area Ash & Other Solids 2500 grams, Liquids (from ceramic area cleanup) 4100 c--
Ceramic Area Calciner 600 Frecipitation 400 Fellet Manufacturing Powder Cleanup 1500 500 Assay increase Fellet Storage Roweighing 1000 Vault Reveighing
< 300 >
Assay increase 1000 Inventory Error
< 1000 >
Item Mt. Error
< 200 >
10,100 grams
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o Th:ss cu b:rs ccro appr:ximato ond, th3r2fsra, wsre slightly
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higher th:n tha actual.
9 Based on the above data, the facility was released to con-tinue processing on Monday (3-11-74).
- 10. Conversations between Region III and K-M on 3-14-74 requested a detailed review of the 2-15-74 and 3-8-74 inventory and that a report be prepared describing the complete study.
- 11. Kerr-McGee was requested to attend a meeting in Washington D.C.
with Dr. Knuth to discuss the, solution of the noncompliant of LEMUF of 1.5 Kg plutonium.
- 12. The data was suscarized for the 3-8-74 inventory on 3-15-74.
This report presents this data.
B.
Inventory Data
~
Attached is the inventory and LE data for the 2-15-74 inventory and the six month period of August 10, 1973, through February 15, 19'f4; also the data for the 3-8-74 inventory and the six month period of September 11, 1973, through March 8, 1974.
C.
Corrective Action 1.
Fo11owing the identtiication of the results of the 2-15-74 inventories, another inventory was inusediately planned.
2.
Safeguard Clerks have been added to the staff to achieve positive control and recording of material movements as of March 11, 1974.
3 Processing of plutonium was stopped from 3-1-74 through 3-11-74 and the glove boxes and process equipment were cleaned to a point similar to that performed on December 5,1973 The detcil is described in Section A above.
4.
A sampling program has been established for the,second calcined powder similar to the virgin powder.
5., Alternate assay procedures to improve the analytical precision
, are being investigated. A major problem is the assay and quan-tity of dilute scrap solvent extraction feed solutions.
- 6. Additional glove box cleanup critaris will be developed and used on future inventories in an attempt to establish repro-ducible conditions.
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g 7.
A setorial bSicnco will b3 mada arcund cash pr:cipitatien run to compare the plutonium nitrate in the blend and tne calcined powder and scrap material. This will be done to study the discrepancies between the ceramic and scrap areas.
8.
A number of problems have existed in the computerprocessing of the transfer data. The majority of these have been solved.
This should speed up the return of the inventory results.
9 The alternate assay Procedures will improve the timeliness of the results. Additional priority.has been placed on the inventory samples to secure early results.
- 10. The Safeguard clerks will check along with the Plutonium Plant Area Supervisors the cleanup against the inventory procedure.
Appropriate procedure revisions will be made to improve the inventory.
- 11. The above actions (Paragraphs 1 through 10) will be done as quickly se possible, completing the actions by June 1, 1974.
Demonstration of the results of these actions may take several months.
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