Exothermic Reactors Involving Dried Uranium Oxide Powder (Yellowcake)ML031210421 |
Person / Time |
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Site: |
Beaver Valley, Millstone, Hatch, Monticello, Calvert Cliffs, Dresden, Davis Besse, Peach Bottom, Browns Ferry, Salem, Oconee, Mcguire, Nine Mile Point, Palisades, Palo Verde, Perry, Indian Point, Fermi, Kewaunee, Catawba, Harris, Wolf Creek, Saint Lucie, Point Beach, Oyster Creek, Watts Bar, Hope Creek, Grand Gulf, Cooper, Sequoyah, Byron, Pilgrim, Arkansas Nuclear, Three Mile Island, Braidwood, Susquehanna, Summer, Prairie Island, Columbia, Seabrook, Brunswick, Surry, Limerick, North Anna, Turkey Point, River Bend, Vermont Yankee, Crystal River, Haddam Neck, Ginna, Diablo Canyon, Callaway, Vogtle, Waterford, Duane Arnold, Farley, Robinson, Clinton, South Texas, San Onofre, Cook, Comanche Peak, Yankee Rowe, Maine Yankee, Quad Cities, Humboldt Bay, La Crosse, Big Rock Point, Rancho Seco, Zion, Midland, Bellefonte, Fort Calhoun, FitzPatrick, McGuire, LaSalle, Fort Saint Vrain, Shoreham, Satsop, Trojan, Atlantic Nuclear Power Plant |
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Issue date: |
01/29/1999 |
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From: |
Greeves J NRC/NMSS/DWM |
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To: |
|
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References |
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IN-99-003, NUDOCS 9901250252 |
Download: ML031210421 (10) |
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Similar Documents at Beaver Valley, Millstone, Hatch, Monticello, Calvert Cliffs, Dresden, Davis Besse, Peach Bottom, Browns Ferry, Salem, Oconee, Mcguire, Nine Mile Point, Palisades, Palo Verde, Perry, Indian Point, Fermi, Kewaunee, Catawba, Harris, Wolf Creek, Saint Lucie, Point Beach, Oyster Creek, Watts Bar, Hope Creek, Grand Gulf, Cooper, Sequoyah, Byron, Pilgrim, Arkansas Nuclear, Three Mile Island, Braidwood, Susquehanna, Summer, Prairie Island, Columbia, Seabrook, Brunswick, Surry, Limerick, North Anna, Turkey Point, River Bend, Vermont Yankee, Crystal River, Haddam Neck, Ginna, Diablo Canyon, Callaway, Vogtle, Waterford, Duane Arnold, Farley, Robinson, Clinton, South Texas, San Onofre, Cook, Comanche Peak, Yankee Rowe, Maine Yankee, Quad Cities, Humboldt Bay, La Crosse, Big Rock Point, Rancho Seco, Zion, Midland, Bellefonte, Fort Calhoun, FitzPatrick, McGuire, LaSalle, Fort Saint Vrain, Shoreham, Satsop, Trojan, Atlantic Nuclear Power Plant |
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Category:NRC Information Notice
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Mclaughlin on NRC, Regarding NRC Information Notice 2006-13: Groundwater Contamination 2020-09-03 The following query condition could not be considered due to this wiki's restrictions on query size or depth: <code> [[:Beaver Valley]] OR [[:Millstone]] OR [[:Hatch]] OR [[:Monticello]] OR [[:Calvert Cliffs]] OR [[:Dresden]] OR [[:Davis Besse]] OR [[:Peach Bottom]] OR [[:Browns Ferry]] OR [[:Salem]] OR [[:Oconee]] OR [[:Mcguire]] OR [[:Nine Mile Point]] OR [[:Palisades]] OR [[:Palo Verde]] OR [[:Perry]] OR [[:Indian Point]] OR [[:Fermi]] OR [[:Kewaunee]] OR [[:Catawba]] OR [[:Harris]] OR [[:Wolf Creek]] OR [[:Saint Lucie]] OR [[:Point Beach]] OR [[:Oyster Creek]] OR [[:Watts Bar]] OR [[:Hope Creek]] OR [[:Grand Gulf]] OR [[:Cooper]] OR [[:Sequoyah]] OR [[:Byron]] OR [[:Pilgrim]] OR [[:Arkansas Nuclear]] OR [[:Three Mile Island]] OR [[:Braidwood]] OR [[:Susquehanna]] OR [[:Summer]] OR [[:Prairie Island]] OR [[:Columbia]] OR [[:Seabrook]] OR [[:Brunswick]] OR [[:Surry]] OR [[:Limerick]] OR [[:North Anna]] OR [[:Turkey Point]] OR [[:River Bend]] OR [[:Vermont Yankee]] OR [[:Crystal River]] OR [[:Haddam Neck]] OR [[:Ginna]] OR [[:Diablo Canyon]] OR [[:Callaway]] OR [[:Vogtle]] OR [[:Waterford]] OR [[:Duane Arnold]] OR [[:Farley]] OR [[:Robinson]] OR [[:Clinton]] OR [[:South Texas]] OR [[:San Onofre]] OR [[:Cook]] OR [[:Comanche Peak]] OR [[:Yankee Rowe]] OR [[:Maine Yankee]] OR [[:Quad Cities]] OR [[:Humboldt Bay]] OR [[:La Crosse]] OR [[:Big Rock Point]] OR [[:Rancho Seco]] OR [[:Zion]] OR [[:Midland]] OR [[:Bellefonte]] OR [[:Fort Calhoun]] OR [[:FitzPatrick]] OR [[:McGuire]] OR [[:LaSalle]] OR [[:Fort Saint Vrain]] OR [[:Shoreham]] OR [[:Satsop]] OR [[:Trojan]] OR [[:Atlantic Nuclear Power Plant]] </code>.
[Table view]The following query condition could not be considered due to this wiki's restrictions on query size or depth: <code> [[:Beaver Valley]] OR [[:Millstone]] OR [[:Hatch]] OR [[:Monticello]] OR [[:Calvert Cliffs]] OR [[:Dresden]] OR [[:Davis Besse]] OR [[:Peach Bottom]] OR [[:Browns Ferry]] OR [[:Salem]] OR [[:Oconee]] OR [[:Mcguire]] OR [[:Nine Mile Point]] OR [[:Palisades]] OR [[:Palo Verde]] OR [[:Perry]] OR [[:Indian Point]] OR [[:Fermi]] OR [[:Kewaunee]] OR [[:Catawba]] OR [[:Harris]] OR [[:Wolf Creek]] OR [[:Saint Lucie]] OR [[:Point Beach]] OR [[:Oyster Creek]] OR [[:Watts Bar]] OR [[:Hope Creek]] OR [[:Grand Gulf]] OR [[:Cooper]] OR [[:Sequoyah]] OR [[:Byron]] OR [[:Pilgrim]] OR [[:Arkansas Nuclear]] OR [[:Three Mile Island]] OR [[:Braidwood]] OR [[:Susquehanna]] OR [[:Summer]] OR [[:Prairie Island]] OR [[:Columbia]] OR [[:Seabrook]] OR [[:Brunswick]] OR [[:Surry]] OR [[:Limerick]] OR [[:North Anna]] OR [[:Turkey Point]] OR [[:River Bend]] OR [[:Vermont Yankee]] OR [[:Crystal River]] OR [[:Haddam Neck]] OR [[:Ginna]] OR [[:Diablo Canyon]] OR [[:Callaway]] OR [[:Vogtle]] OR [[:Waterford]] OR [[:Duane Arnold]] OR [[:Farley]] OR [[:Robinson]] OR [[:Clinton]] OR [[:South Texas]] OR [[:San Onofre]] OR [[:Cook]] OR [[:Comanche Peak]] OR [[:Yankee Rowe]] OR [[:Maine Yankee]] OR [[:Quad Cities]] OR [[:Humboldt Bay]] OR [[:La Crosse]] OR [[:Big Rock Point]] OR [[:Rancho Seco]] OR [[:Zion]] OR [[:Midland]] OR [[:Bellefonte]] OR [[:Fort Calhoun]] OR [[:FitzPatrick]] OR [[:McGuire]] OR [[:LaSalle]] OR [[:Fort Saint Vrain]] OR [[:Shoreham]] OR [[:Satsop]] OR [[:Trojan]] OR [[:Atlantic Nuclear Power Plant]] </code>. |
UNITED STATES NUCLEAR REGULATORY
COMMISSION
OFFICE OF NUCLEAR MATERIAL SAFETY AND SAFEGUARDS
WASHINGTON, D.C. 20555 January 29, 1999 NRC INFORMATION
NOTICE 99-03: EXOTHERMIC
REACTIONS
INVOLVING
DRIED URANIUM OXIDE POWDER (YELLOWCAKE)
Addressees
All operating
uranium recovery facilities
that produce uranium oxide powder (U 3 0 8)(yellowcake).
Purpose
- The U.S. Nuclear Regulatory
Commission (NRC) is issuing this information
notice (IN) to alert licensees
to recent incidents
involving
strong exothermic
reactions
that occurred during the packaging
of low-temperature
or vacuum-dried
U 3 0, hydrogen peroxide precipitated (yellowcake)
powder. It is expected that recipients
will review this information
for applicability
to their licensed activities
and consider actions, as appropriate, to avoid similar problems.However, suggestions
contained
in this IN are not NRC requirements;
therefore
no specific action nor written response is required.Description
of Circumstances:
On four separate occasions
involving
different
licensees, dry U 3 0 8 hydrogen peroxide precipitated (yellowcake)
powder, packaged in 208.2 liter (55 gallon) drums, was observed to have undergone
strong exothermic
reactions
after the drying and packaging
process. These scenarios
can be placed into two categories:
1) generation
of oxygen as a byproduct
of the production
process; and 2) hydrocarbon
contaminants
reacting with U 3 0 8 hydrogen peroxide precipitated (yellowcake)
product. The incidents
date as far back as 1984 and as recently as July 1998.Category 1: On two separate occasions, licensees
experienced
expansion
of the sealed drums from generation
of oxygen from the decay of hydrogen peroxide.
In the production
process, hydrogen peroxide is used to precipitate
uranium in the form of uranium oxide (UxOx). This precipitate
is then pressed through a filter, dried in an oven and packaged in drums for shipment.
Even though the dryer temperatures
reached 537.70 C (10000F), converting
the precipitate
to uranate peroxide (U04-2H 2 0), sufficient
hydrogen peroxide either remained in the product or was generated
to develop oxygen pressure by the following
reactions:
U0 4+ 4H 2 0-UO3+ H 2 0 2 I +3H 2 01 2H 2 0 2 -2H 2 0 + 02 t&012IA252J
93 J 9 p ' \
IN 99-03 January29, 1999 The production
of gases was sufficient
to bulge the lids and sides of the drums, as well as cause a pressure excursion, when a lid was removed, sufficient
to eject about one-fourth
of the drummed U 3 0 8 (yellowcake)
90.7 kilograms
(-200 pounds) onto workers and through isolation doors.Cateaory 2: On two separate occasions, licensees
experienced
a violent exothermic
reaction when hydrocarbon
contaminants
were mixed with U 3 0 8 hydrogen peroxide precipitated (yellowcake)
product. At one facility, a leaky flange in a bag filter allowed lubricating
oil to leak into the production
process, and a deformed tank paddle allowed oil seepage into the mixing tank. At another facility, oils from various process stages were introduced
into the sump system and eventually
reintroduced
into the production
line. Both cases yielded an energetic exothermic
reaction.
With one barrel, the lid had been melted onto the rim in one spot, and another reached a temperature
of 648.9 0 C (1200 0 F) within the drum. Subsequent
examination
of the contents revealed several discolored
layers, indicating
extreme oxidation
of product powder in various stages.Discussion
Category 1: Analyses of the incidents
estimated
103.4 kilopascal
(15-pounds-per-square-inch)
pressure on the lids. Drum pressure began to rise most rapidly in the first hour, but peaked at 3-4 hours. Pressure began to subside at 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br />. Other drums showed bulges and deformities, but excess gases had bled off. Analysis of the trapped gases yielded 62 percent oxygen, further indicating
an oxygen generation
from the decay of hydrogen peroxide.Although no workers were injured, several received uptakes of uranium even though respiratory
protection
was used.The oxygen generation
incidents
were isolated incidents
that originated
with the use of newer drums or other modifications
of equipment
which allowed excessive
pressures.
For one licensee, the incident was a result of using newer drums with airtight seals. Older drums had less efficient
seals that allowed pressure to escape as it was generated.
Both licensees instituted
corrective
actions consisting
mainly of leaving the lids off the drums for a minimum of 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> after filling. Corrective
actions appear to have been sufficient
to prevent future incidents.
Category 2: Since uranium is a pyrophoric
metal, especially
in fines or powder form, any contaminant
in contact with yellowcake
powder can be hazardous.
Hydrocarbons
such as lubricating
oils and grease are very likely to cause an unstable condition
in the packed yellowcake
powder.In one incident, a leaky flange on a bag filter allowed lubricating
oil to leak into and mix with the yellowcake
powder in a dryer tank. Once the exothermic
reaction began, temperatures
rose sufficiently
to turn residual water to steam, covering the room with yellowcake
powder. The leak was found and repaired, but the room had to be decontaminated.
As the next batch of yellowcake
was processed, a severely bent paddle inside the mixing tank allowed further oil to again mix into the yellowcake.
After the product was packaged, temperatures
again rose inside the drum to produce sufficient
steam pressure to blow the lid off. The licensee then found and corrected
the bent paddle. Corrective
actions included installation
of oil pressure relief valves and a hot oil boiler cutoff with a temperature
controller.
IN 99-03 January29, 1999 In a recent incident, a licensee had routinely
washed equipment
contaminants
into a dryer room sump. This contained
not only uranium contamination, but exposed oils and grease from equipment
maintenance
and dryer heating oils from spills and leaks. The sump contents were transferred
to a holding tank, where the yellowcake
and contaminants
settled to the bottom.When the system was cleaned, the heel from this tank was put into a thickening
tank to recover any trapped product. The process, however, did not remove the contaminants.
Yellowcake
tended to agglutinate
onto the hydrocarbons, preventing
them from being surface-skimmed, and final dryer temperatures
were not sufficient
to drive off the hydrocarbons.
When the contaminated
yellowcake
was packaged into drums, the residual heat from dryer operations
initiated
an exothermic
oxidation
reaction.
Since yellowcake
is relatively
dense, it acted as an insulator, retaining
reaction energy that further increased
the rate of reaction.
Seven drums of product reacted with increased
temperatures
and oxidation
of material.
Corrective
actions included installation
of oil drip pans for collecting
all possible oil/grease
leaks, and sending the oil-yellowcake
contaminants
as waste rather than attempting
to recover product through the system.This IN requires no specific action nor written response.
If you have any questions
about the information
in this notice, please contact the technical
contacts listed below, or the appropriate
NRC office.John T. Greeves, Director Division of Waste Management
Office of Nuclear Material Safety and Safeguards
Technical
Contacts:
Douglas S. Simpkins, RIV (817) 860-8220 E-mail: dss@nrc.gov
D. Blair Spitzberg, Ph.D., RIV (817) 860-8191 E-mail: dbs@nrc.gov
John H. Lusher, NMSS (301) 415-7694 E-Mail: jhl@nrc.gov
Attachments:
1. List of Recently Issued NMSS Information
Notices J 1 /'2. List of Recently Issued NRC Information
Notices (/ wlu4q t~ l AI 4T
'Attachment
1 IN 99-03 January 29, 1999 LIST OF RECENTLY ISSUED NMSS INFORMATION
NOTICES Information
Notice No.99-02 Subject Date of Issuance Issued to.Guidance to Users on the Implementation
of a New Single-Source
Dose-Calculation
Formalism
and Revised Air-Kerma
Strength Standard for Iodine-125 Sealed Sources 1/21/99 All medical licensees
authorized
to conduct brachytherapy
treatments.
99-01 98-33 98-30 97-91 Supp. 1 98-20 98-18 98-17 Deterioration
of High-Efficiency
Particulate
Air Filters in a Pressurized
Water Reactor Containment
Fan Cooler Unit NRC Regulations
Prohibit Agreements
that Restrict or Discourage
an Employee from Participating
in Protected
Activities
Effect of the Year 2000 Computer Problem on NRC Licensees
and Certificate
Holders Recent Failure of Control Cables Used on Amersham Model 660 Posilock Radiography
Systems Problems With Emergency Preparedness
Respiratory
Protection
Programs Recent Contamination
Incidences
Resulting
from Failure to Perform Adequate Surveys Federal Bureau of Investigations (FBI) Awareness
of National Security Issues and Responses (ANSIR) Program 1/20/99 8/28/98 8/12/98 8/10/98 6/3/98 5/13/98 5/7/98 All holders of licences for nuclear power, research and test reactors;and fuel cycle facilities.
All holders of a Nuclear Regulatory
Commissission
license All material and fuel cycle licensees
and certificate
holders All industrial
radiography
licensees.
All holders of operating
licenses for nuclear power reactors;
non-power reactors;
all fuel cycle and material licensees
required to have an NRC-approved
emergency
plan.Part 35 Medical Licensees All U.S. Nuclear Regulatory
Commission
fuel cycle and power and non-power
reactor licensees
Attachment
2 IN 99-03 January 29, 1999 LIST OF RECENTLY ISSUED NRC INFORMATION
NOTICES Information
Date of Notice No. Subject Issuance Issued to 99-02 Guidance to Users on the 1/21/99 All medical licensees
authorized
Implementation
of a New Single-Source
Dose-Calculation
Formalism
and Revised Air-Kerma
Strength Standard for Iodine-125
Sealed Sources to conduct brachytherapy
treatments.
99-01 98-45 98-44 98-43 Deterioration
of High-Efficiency
Particulate
Air Filters in a Pressurized
Water Reactor Containment
Fan Cooler Unit 01/20/99 Cavitation
Erosion of Letdown Line 12/15/98 Orifices Resulstin
in Fatigue Cracking of Pipe Welds Ten-year Inservice
Inspection
12/10/98 (ISI) Program Update for Licensees that Intend to Implement
Risk-Informed
ISI of Piping All holders of licenses for nuclear power, research and test reactors;and fuel cycle facilities.
All holders of operating
licenses for nuclear power reactors, except those that have permanently
ceased operations
and have certified
that fuel has been permanently
removed from the reactor.All holder of operating
licenses for nuclear power reactors, except those that have permanently
ceased operations
and have certified
that fuel has been permanently
removed from the reactor All holder of operating
licenses for nuclear power reactors, except those licensees
that have permanently
ceased operations
and have certified
that fuel has been permanently
removed from the reactor vessel Leaks in the Emergency
Diesel Generator
Lubricating
Oil and Jacket Cooling Water Piping 12/04/98 OL = Operating
License CP = Construction
Permit
- IN 99-03 January 29, 1999 In a recent incident, a licensee had routinely
washed equipment
contaminants
into a dryer room sump. This contained
not only uranium contamination, but exposed oils and grease from equipment
maintenance
and dryer heating oils from spills and leaks. The sump contents were transferred
to a holding tank, where the yellowcake
and contaminants
settled to the bottom.When the system was cleaned, the heel from this tank was put into a thickening
tank to recover any trapped product. The process, however, did not remove the contaminants.
Yellowcake
tended to agglutinate
onto the hydrocarbons, preventing
them from being surface-skimmed, and final dryer temperatures
were not sufficient
to drive off the hydrocarbons.
When the contaminated
yellowcake
was packaged into drums, the residual heat from dryer operations
initiated
an exothermic
oxidation
reaction.
Since yellowcake
is relatively
dense, it acted as an insulator, retaining
reaction energy that further increased
the rate of reaction.
Seven drums of product reacted with increased
temperatures
and oxidation
of material.
Corrective
actions included installation
of oil drip pans for collecting
all possible oil/grease
leaks, and sending the oil-yellowcake
contaminants
as waste rather than attempting
to recover product through the system.This IN requires no specific action nor written response.
If you have any questions
about the information
in this notice, please contact the technical
contacts listed below, or the appropriate
NRC office.[J. Holonich for]John T. Greeves, Director Division of Waste Management
Office of Nuclear Material Safety and Safeguards
Technical
Contacts:
Douglas S. Simpkins, RIV (817) 860-8220 E-mail: dsstnrc.gov
D. Blair Spitzberg, Ph.D., RIV (817) 860-8191 E-mail: dbs nrc.gov John H. Lusher, NMSS (301)415-7694 E-Mail: jhl nrc.gov Attachments:
1. List of Recently Issued NMSS Information
Notices 2. List of Recently Issued NRC Information
Notices OFFICIAL RECORD COPY DOCUMENT NAME: S:\DWM\URB\JHL\DRAFTIN.JHL
OF RIV* l TECH ED* lURB* l URB j/URB l NAME BSpitzberg
EKraus JLusher CAbrs KStablein DATE I 1/ 1/99 l 1/11/99 1 1/11/99 l 1<199 1/12/99 OFC DIk 0_1 C/NAME J-W DATE 99 _
lqo-r ft1661C-l -@ w IN 99 -XX January XX, 1999 When the system was cleaned, the heel from this tank was put into a thickening
tank to reco r any trapped product. The process, however, did not remove the contaminants.
Yellowcak tended to agglutinate
onto the hydrocarbons, preventing
them from being surface-skimm
and final dryer temperatures
were not sufficient
to drive off the hydrocarbons.
When th contaminated
yellowcake
was packaged into drums, the residual heat from dryer oper ions initiated
an exothermic
oxidation
reaction.
Since yellowcake
is relatively
dense, it ac d as an insulator, retaining
reaction energy that further increased
the rate of reaction.
8ev n drums of product reacted with increased
temperatures
and oxidation
of material.
CorrecI actions included installation
of oil drip pans for collecting
all possible oil/grease
leaks, d sending the oil-yellowcake
contaminants
as waste rather than attempting
to recover prod t through the system.This IN requires no specific action nor written response.
If you have an questions
about the information
in this notice, please contact the technical
contacts listed low, or the appropriate
NRC office.N. King Stablein, Acting C ef Uranium Recovery Bran Division of Waste Man gement Office of Nuclear Mat rial Safety And Safeguards
Technical
Contacts:
Douglas S. Simpkins, RIV (817) 860-8220 E-mail: dss~nrc.gov
D. Blair Spitzberg, Ph.DRIV (817) 860-8191 E-mail: dbs~nrc.go
John H. Lusher, MSS (301) 415-769 E-Mail: jhl@ c.gov Attachments:
1. List of Recently Issued S Information
Notices 2. List of Recently Issued RC Information
Notices IENT NAME: S:\DWM\URB
HL\DRAFTIN.JHL
DOCUM OF-C RIV TOH ED* l URB* URB , / liI NAME BSpitzberg
EKraus JLusher CAbw. l> KStA'ein'i)
DATE 1/11/99 1/11/99 l 1/11/99 ln/i99 l 1/12/99 OC DELAY t NAME Dz DAE1/3n/9 l zz _zzr ______ izzzzz zzz l/OFFICIAL RECORD COPY
1MaT b-D PBLIc.IN-XX January XX, 1999 When the system was cleaned, the heel from this tank was put into a thickening
tank to recov any trapped product. The process, however, did not remove the contaminants.
Yellowcake
tended to agglutinate
onto the hydrocarbons, preventing
them from being surface-skimme
and final dryer temperatures
were not sufficient
to drive off the hydrocarbons.
When the contaminated
yellowcake
was packaged into drums, the residual heat from dryer opera*ins initiated
an exothermic
oxidation
reaction.
Since yellowcake
is relatively
dense, it act as an insulator, retaining
reaction energy that further increased
the rate of reaction.
Seve drums of product reacted with increased
temperatures
and oxidation
of material.
Correctiv
ctions included installation
of oil drip pans for collecting
all possible oil/grease
leaks, a sending the oil-yellowcake
contaminants
as waste rather than attempting
to recover produ through the system.This IN requires no specific action nor written response.
If you have any estions about the information
in this notice, please contact the technical
contacts listed be w, or the appropriate
NRC office.N. King Stablein, Acting Chi Uranium Recovery Branc Division of Waste Managment Office of Nuclear Mate al Safety And Safeguards
Technical
Contacts:
Douglas S. Simpkins, RIV (817) 860-8220 E-mail: dssinrc.gov
D. Blair Spitzberg, Ph.D., IV (817) 860-8191 E-mail: dbs@nrc.gov
John H. Lusher, N SS (301) 415-7694 E-Mail: jhlnrc ov Attachments:
1. List of Recently Issued N S Information
Notices 2. List of Recently Issued C Information
Notices DOCUMENT NAME: S:\DWM\URB\J
\DRAFTIN.JHL
OFC RIV* TE ED* I URB* l RE _RII NAME BSpitzberg
raus JLusher CAb- 4 gig il!DATE 1/11/99 1 1/11/99 1/11/99 l ._ /99 l_1/__ _ 9 OFC DWM I NAME JGreeves /DATE 1/ /9 I I 1 OFFICIAL RECORD COPY
M&or '70f oR SCLaC.IN -XX January XX, 1999 tended to agglutinate
onto the hydrocarbons, preventing
them from being surface skimm and final dryer temperatures
were not sufficient
to drive off the hydrocarbons.
When th contaminated
yellowcake
was packaged into drums, the residual heat from dryer opertions initiated
an exothermic
oxidation
reaction.
Since yellowcake
is relatively
dense, it ac d as an insulator, retaining
reaction energy which further increased
the rate of reaction.
Se en drums of product reacted with increased
temperatures
and oxidation
of material.
Correc e actions included installation
of oil drip pans for collecting
all possible oiVgrease
leaks, a sending the oil-yellowcake
contaminants
as waste rather than attempting
to recover produ through the system.This information
notice requires no specific action nor written response.
I ou have any questions
about the information
in this notice, please contact the techni I contact listed below or the appropriate
NRC office.N. King Stablein, Acting ief Uranium Recovery Bran Division of Waste Man gement Office of Nuclear Ma rial Safety And Safeguards
Technical
Contacts:
Douglas S. Simpkins, RIV (817) 860-8220 E-mail: dss~nrc.gov
D. Blair Spitzberg, Ph.D. IV (817) 860-8191 E-mail: dbs~nrc.gov
John H. Lusher, N SS (301) 415-7694 E-Mail: jhl~nrc ov Attachment:
1. List of Recently Issued N SS Information
Notices 2. List of Recently Issued C Information
Notices DOCUMENT NAME; S:\DW URB\JHL\DRAFTIN.JHL
FC IVer; URB RB zzURB l zDWMzlNAME BSpitzberg
JLushe CAbrams KStablein
JGreeves DATE 01/// /9/ 01/11 /99 01/ /99 l 01/ /99 01/ /99 OFFICIAL RECORD COPY
1-11-1999
4:18PM 1 -4. , ., , .FROM cETZER-KRAUS.
INC. 202 537 P 1'3 VOT *e)R PUCLIC. P P..IV. L.u I J IN 99-XX January XX, 1999 () (301) 415-7694 E-Mail: jhT0nrc.gov
Attachmen$
1. Lst of Recently Issued NMSS Information
Notices 2. Ust of Recently Issued NRC Information
NoUces DCU seh*, 5 mIAMR- BAMIULA i1 V .1.21 jimc ,so I //#/I-,___.l Ww-. Vb, TYwe VW% _4M *Wo l t Vw v^. W" I _ _ ,-C RIV -URB _ URB l 7WI NAME BSpitzberg
_ JLusher _ CAbrams KStableln ( JGreeves DATE 1Ul01 W/ i 99 l 01 /99 I-v-P k, 04 "41 fV)f t, cj/- (OFFICIAL RECORD COPY
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list | - Information Notice 1999-01, Deterioration of High-Efficiency Particulate Air Filters in a Pressurized Water Reactor Containment Fan Cooler Unit (20 January 1999)
- Information Notice 1999-02, Guidance to Users on the Implementation of a New Single-Source Dose-Calculation Formalism and Revised Air-Kerma Strength Standard for Iodine-125 Sealed Sources (21 January 1999, Topic: Brachytherapy)
- Information Notice 1999-03, Exothermic Reactors Involving Dried Uranium Oxide Powder (Yellowcake) (29 January 1999, Topic: Brachytherapy)
- Information Notice 1999-04, Unplanned Radiation Exposures to Radiographers, Resulting from Failures to Follow Proper Radiation Safety Procedures (1 March 1999, Topic: Brachytherapy)
- Information Notice 1999-05, Inadvertent Discharge of Carbon Dioxide Fire Protection System and Gas Migration (8 March 1999, Topic: Brachytherapy)
- Information Notice 1999-06, 1998 Enforcement Sanctions as a Result of Deliberate Violations of NRC Employee Protection Requirements (19 March 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-06, 1998 Enforcement Sanctions As a Result of Deliberate Violations of NRC Employee Protection Requirements (19 March 1999, Topic: Enforcement Discretion)
- Information Notice 1999-07, Failed Fire Protection Deluge Valves & Potential Testing Deficiencies in Preaction Sprinkler Systems (22 March 1999, Topic: Safe Shutdown)
- Information Notice 1999-08, Urine Specimen Adulteration (26 March 1999, Topic: Brachytherapy)
- Information Notice 1999-09, Problems Encountered When Manually Editing Treatment Data on the Nucletron Microselectron-HDR (New) Model 105-999 (24 March 1999, Topic: Brachytherapy)
- Information Notice 1999-10, Degradation of Prestressing Tendon Systems in Prestresssed Concrete Containments (13 April 1999)
- Information Notice 1999-11, Incidents Involving the Use of Radioactive Iodine-131 (16 April 1999, Topic: Brachytherapy)
- Information Notice 1999-12, Year 2000 Computer Systems Readiness Audits (28 April 1999, Topic: Brachytherapy)
- Information Notice 1999-13, Insights from NRC Inspections of Low-and Medium-Voltage Circuit Breaker Maintenance Programs (29 April 1999, Topic: Brachytherapy)
- Information Notice 1999-14, Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrick (5 May 1999, Topic: Reactor Vessel Water Level, Brachytherapy)
- Information Notice 1999-15, Misapplication for 10CFR Part 71 Transportation Shipping Cask Licensing Basis to 10CFR Part 50 Design Basis (27 May 1999, Topic: Brachytherapy)
- Information Notice 1999-16, Federal Bureau of Investigation'S Nuclear Site Security Program (28 May 1999, Topic: Brachytherapy)
- Information Notice 1999-17, Problems Associated with Post-Fire Safe-Shutdown Circuit Analyses (3 June 1999, Topic: Hot Short, Safe Shutdown, Temporary Modification, Emergency Lighting, Fire Protection Program)
- Information Notice 1999-18, Update on Nrc'S Year 2000 Activities for Material Licensees and Fuel Cycle Licensees and Certificate Holders (14 June 1999, Topic: Brachytherapy)
- Information Notice 1999-19, Rupture of the Shell Side of a Feedwater Heater at the Point Beach Nuclear Plant (23 June 1999)
- Information Notice 1999-20, Contingency Planning for the Year 2000 Computer Problem (25 June 1999, Topic: Brachytherapy)
- Information Notice 1999-21, Recent Plant Events Caused by Human Performance Errors (25 June 1999, Topic: Probabilistic Risk Assessment)
- Information Notice 1999-22, 10CFR 34.43(a)(1); Effective Date for Radiographer Certification and Plans for Enforcement Discretion (25 June 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-23, Safety Concerns Related to Repeated Control Unit Failures of the Nucletron Classic Model High-Dose-Rate Remote Afterloading Brachytherapy Devices (6 July 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-24, Broad-Scope Licensees' Responsibilities for Reviewing and Approving Unregistered Sealed Sources and Devices (12 July 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-25, Year 2000 Contingency Planning Activities (10 August 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-26, Safety and Economic Consequences of Misleading Marketing Information (24 August 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-27, Malfunction of Source Retraction Mechanism in Cobalt-60 Teletherapy Treatment Units (2 September 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-28, Recall of Star Brand Fire Protection Sprinkler Heads (30 September 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-30, Failure of Double Contingency Based on Administrative Controls Involving Laboratory Sampling and Spectroscopic Analysis of Wet Uranium Waste (8 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-30, Failure of Double Contingency Based On Administrative Controls Involving Laboratory Sampling and Spectroscopic Analysis of Wet Uranium Waste (8 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-31, Operational Controls to Guard Against Inadventent Nuclear Criticality (17 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-31, Operational Controls To Guard Against Inadventent Nuclear Criticality (17 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-32, Effect of Year 2000 Issue on Medical Licenseess (17 December 1999, Topic: Brachytherapy)
- Information Notice 1999-32, Effect of Year 2000 Issue on Medical Licensees (17 December 1999, Topic: Brachytherapy, Overdose, Underdose)
- Information Notice 1999-33, Management Of Wastess Contaminated with Radioactive Materialss (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-33, Management of Wastes Contaminated with Radioactive Materials (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-33, Management Of Wastes Contaminated with Radioactive Materials (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-33, Management Of Wastes Contaminated With Radioactive Materials (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-34, Potential Fire Hazard in the Use of Polyalphaolefin in Testing of Air Filter (28 December 1999)
- Information Notice 1999-34, PotentialPotentialPotential FireFireFire HazardHazardHazard ininIn thetheThe UseUseUse ofofOf PolyalphaolefinPolyalphaolefinPolyalphaolefin ininIn TestingTestingTesting ofofOf AirAirAir FilterFilterFilter (28 December 1999)
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