ML20133L459
| ML20133L459 | |
| Person / Time | |
|---|---|
| Site: | 07000299 |
| Issue date: | 01/31/1969 |
| From: | Buchanan C US ATOMIC ENERGY COMMISSION (AEC) |
| To: | US ATOMIC ENERGY COMMISSION (AEC) |
| Shared Package | |
| ML20133G976 | List:
|
| References | |
| FOIA-96-343 NUDOCS 9701220031 | |
| Download: ML20133L459 (2) | |
Text
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20 -2ff January 31, 1969 l
Note to Files I received a phone call from Dr. Wilfred Konneker Mallinckrodt/ Nuclear Corporation, stating that Mallinckrodt had purchased Neisler Imboratories, 4
Inc., Tuxedo, New York. He made the call from New York and said he vanted to infom us of this development before we read it in the news-papers. Mallinckrodt has purchased all of Neisler's facilities and equip.
ment, including the cold chemicals and radiopharmaceutical business. The property at Sterling Forest is leased to Mallinckrodt. He explained that all personnel at Neisler's Sterling Forest facility are now employees of Mallinchrodt. All programs are to continue exactly as they did under Neisler's control, and there will be no changes in program or personnel at this time. I told him that we had one licentie with Neisler for an operation in Decatur, Illinois. Otherwise, he should deal with New York State on licensing matters in New York. He vill be corresponding with us concerning this matter at a later date, i
ORIGINAL SICHO 8)
CECll R. BUCHANAh Cecil R. Buchanan, Acting Chief Isotopes Branch Division of Materials Licensing ec JAMcBride, IML JRoeder, Compliance bec:
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January 31, 1969 g,
Note to Files I received a phone call from Dr. Wilfred Konneker, Mallinckrodt/ Nuclear Corporation, stating that Mallinckrodt had purchased Neisler Laboratories, Inc., Tuxedo, New York. He made the call from New York and said he wanted to inform us of this development before we read it in the news-papers. Mallinckrodt has purchased all of Neisler's facilities and equip-
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ment, including the cold chemicals ar.d radiopharmaceutical business. The property at Sterling Forest is leased to Mallinckrodt. He explained that all personnel at Neisler's Sterling Forest facility are now employees of Mallinckrodt. All programs are to continue exactly as they did under Neisler's control, and there vill be no changes in program or personnel at this time. I told him that we had one license with Neisler for an operation in Decatur, Illinois. Otherwise, he should deal with New York State on licensing matters in New York. He vill be corresponding with us
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concerning this matter at a later date.
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Cecil R. Buchanan, Acting Chief Isotopes Branch Division of Materials Licensing ec: JAMcBride, D4L JRoeder, Compliance
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Director of Regulation
. It!DEP?.ND"hT II![ASURC;2tTIS PROGRAM FOR TIE MALLINCKRODT CilEMICAL UORKS,
MALL'INCKRODT/ NUCLEAR DIVISION, ST. LOUIS, MISSOURI Enclosed for information is a description of an Independent Measure-
[I mente Program we are implementing for the Mallinckrodt Chemical Works, Mallinckrodt/ Nuclear Division plant in St. Louis, Missouri.
This program is the fourth cf five " pilot" programs to be itaplemented.
The remaining facility in the " pilot" program is Indian Point; our implementation of this program ic being held in abeyance pending the results of Dr. Beck's discussions with the State of New York concern-ing possible contractual arrangements.
The Missouri State Health Departtnant has been informed of' the program and has indicated no interest in participating in the operation of the j
program. To our knowledge, Missouri has no monitoring program in effect f or this arca; howaver, in accordance with our policy of cooperating with the Stater., we vill furnish the Misnouri State Health Departraant
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vith copics of the enclosure and will provide the State with data we j
dnvelop in the program.
The Divisions of Materials Licensing, Radiation Protection Standards and State and Licensec Relations h.sve concurred in the program.
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U Lawrence D. Low, D rector Division of Compliance i
Enclosure:
I Mallinckrodt IMP cc v/ encl:
C. K. Beck, DR 4
M. 11. Ma nn, DR t
j C. L. Henderson, DR P. A. Morris, DRL E. G. Case, DRS J. A. McBride, DML (2)
L. R. Rogers., RPS. (2)
E. R. Price, SLR (2)
R. P. Wis chow, tais B.11. Grier, C0:III (4) h 9
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INDEPENDENT liEASURDENTS PROGRAM ENVIRONMENTAL RADIOIOGICAL !iEASURDfENTS FOR Tile !!ALLINCKRODT CilDiICAL WODKS, HALLINCKRODT/ NUCLEAR DIVISION ST. LOUIS, HISSOURI
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Prepared by Richard L. Bangart i
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Approved:
George L. Voelz, it.D., DiYector llealth Services Laboratory Idaho Operations Office U.S. Atomic Energy Comission j
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IsiT!!0DticfIO1
'she deoica of the I:.'eyrulent '3asurerents ProrreMI:'P) for the !'allinckrodt/
rinclear (*!/N) Pivi.1c.. radioisotope laboratory is uased on infornstion obtained from the following sources:
(1) A preliminary environmental sampling plan designed by C0:III personnel cocnizant of !!/N operations and problens; (2) diccussions with CO:III and CO:HQ personnel; (3) a tour of the plant environs; and (h) experience gained from otiier IMP locations.
Tne operating hictory of this facility has snown that tha release of larca quantities of radiocontaninants to tite environment is unlikely, i ovever, anno activity is released to the air and controlled discharges of liquid radioactive vaste are made to a sanitary sever line. Samplir.c offorts vill be focused on these initial off-site receptors of the laboratory'c radionctive discharrea. Surveillance vill be directed townrd those radicisotopeo valch ll/N is licensed to possess. Tables I and II, attsca2d, list the radioisotopes which I!/N handles and the overall sampling procran, respectivaly.
II.
AIR. !!0llITOPING A.
Licensco Air :fonitoring The licensee's environmental air sampling progran consists of tairteen continuously operating cartridge samplers located around tue perineter of the facility roof. The samplers arc in the forn of eight foot high "Unopnerd's Canes," ench connected to a vacuum pump through e manifold.
The acicht of the exhaust stacks is greater than the height of the air inttute of the "Ghepherd's Canec," and therefore the nir concentrations measured may not ce representative. The cartridges are enanced weekly.
No other air csmplinc is performed by ?!/N.
b.
IIT Air f tonitoriac Locations and i::quipnent Continuous air samplers vill be provided by tne ID liealta Cervices e
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l Laboratory for installation at the following locations:
Locatien Number Location 1
Roof of the Bennett Box Co.,
approximately 50 feet to the north of !!/N 2
Roof of the fire station on Dorsett Rd., approximately 1200 feet north and 50-60 feet 4
higher in elevation than M/N 3
Roof of the !!FA Plant Food Warehouse at the corner of Dorsett and Adie Roads, approximately 2h00 feet southeast and about 50 4
feet higher in elevation than !!/N h
Howard Bend Station City Waterworks,
approximately seven miles southwest of M/N, as a background location The choice of air sampler locations was based upon a review of local meteorological data by CO:III personnel. The local vinds are predominantly southerly between May and November and northwesterly between Decencer j
and April.
d Tne air samples will be collected continuously by means of Gelman i
Nuclear Air Samplers (Model 26001) at a flow rate of approximately 1 cfm. The samplers will be equipped with an open-faced filter holder containing a membrane pre-filter (Gelman Model VM 4, or equivalent),
capable of collecting particles down to 0.05 micron with an efficiency of >95%,7~ollowed by an in-line filter holder containing a charcoal impregnated cellulose fiber filter (Gelman Model AC-1, or equivalent) for removal of iodine from the air stream. In addition, tne air campler panp will be used to draw air through a device c'en'taininc silica Cel Vnica
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vill cample for tritiated atmospheric water vapor. The air samplers vill be enclosed in shelters designed to reduce tampering and provide weather protection. The filters and atmospheric tritium samplers vill be changed weekly and sent io the ID Health Services Laboratory for analysis.
Tue sampling tecnnique descri'Jed here vill not collect Hg vapor in the atmosphere. A technique is being developed in the Laooratcry and should be available soon.
l C.
Air Garrple Antlysis Preparat, ion and Counting: No chemical preparation of air sam le filters is regtn red to assess the gross alpha, beta, or gamma activity in tne samplen. Gross etivity mensurements are made before specific isotopic determinations whien require destruction of filters. Even thouca tae licensee does occ handle alpha emitting radioisotopes, initially a cross nipan count vill ce made on tae membrane filter. The results vill help determine if the nir. concentration at the unckground location is rep-resentative of the backcround at the field sarpling locations. Bota I
gross alpha and beta measurements vill be made on the membrane filter, but only gross beta on the charcoal filter.
1.
Gross Alpha: In measuring the gross alpha activity in an air anple, the technique employed is essentially that reported by Hallden and harley ("An Improved Alpha-Counting Technique," Analytical Cnemistry, J2, 1861 (1<)60) ).
After collection of tne memorane filter in tne field, it is placed ir} direct contact with an alpha sensitive paospaor disc, both of which are held in place on a nylon locking rinr. Thus nasemuled, the sample is mailed to the ID licalth Cervices Lavoratory where it is placed in a sample holder and rotated into a li ht tigat C
counting compartment. Within the compartment the sample is pressed finnly against the face of a spring-loaded, low-noise photomultiplier I
tube and counted with an appropriate scalar system. A counting rate correction for sample selfsabsorption is made using a pre-determined 226 graph of the percent absorption of Pa alphas versus sample taiciness.
2.
Gross Deta: ror gross beta activity measurements, the filter disc is mounted on a ringed planchet and counted in a low-background oeta counter which is calibrated with a standard Tl source. Counting rates are corrected for emple self-absorption based on measured 4
2014 nbsorption of Tl betas. Because the distribution of enercies 4
resulting from beta emission is continuous from the characteristic b
dovn to zero, the actual disintegration rate is highly depandent on the compocition of the sample and the quantity of absorber present.
Consequently, the gross beta counting results of unknown mixtures can ue interpreted only as being T1 equivalent, and nothing else.
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~9 If the gross beta activity exceeds 2 x 10 uCi/ml ( P iPC; 32 10CFR20, Table II, Column 1), a specific analysis for p ygy1 be made.
If P betas are present, they vill be absorbed less 32 and detected more efficiently than Tl betas. Thus p g y,,,
vill always be nade prior to reaching the P ftPC.
3.
Gross Gamma: If the Gross beta activity of either filter exceads 8 x 10 uCi/ml (
'I :IPC; 10CFF20 Table II, Column 1), tuen a
~11 gross gamma scan of the filter vill be made,.
Gross gamma activity of the air samples is measured with a calibrated well-type counter.
If the grens gamma counting results indicate a concentration creater
~11 than 8 x 10 uCi/ml, a gamma spectrum vill be run with a multic.iannel analyzer to identify specific isotopes in the sample. Appropriate analyses vill be made for individual isotopes identified.
h.
Atmospheric Tritium: The water vapor collected on the silica gel desiccant vill oe analysed for tritium by direct liquid scintillation counting of a small, representative portion of the silica gel (approxi-mately 5-8 grams ).
In this method the silica gel is placed in a PPO, POPOP, napthalene, p-dioxane scintillator and counted in a teckman Scintillation System.
III.
DIPECT PADIATION Direct radiation measurements using'thermoluminescent dosimeters vill be made at the following locations:
Number of
)
Location Dosimeters Location i'o.
N, !!/U perimeter fence 5
5 E, M/N site perimoter 5
6
- S,14/N perimeter fence 5
7
' W, !!/il perimeter fence 5
8 Hoof of Bennett Box Co.,
approximately 50 feet 5
1 north of M/H 9
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9 Number of
^*
Location Dosimeters Locatien No_._
Roof of Fire Station on Dorsett Rd., approximately 10 2
1200 feet north and 50-60 feet higher in elevation than M/N, as a secondary background location llovard Bend Station City 20 h
Waterworks, approximately 7 a
miles SW of it/fl, as a calibration and background location.
The thermolumincacent material used lii tite dosimeter is the lithium
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flouride TLD 700 high sensitivity crystal. Each dosimeter vill os placed in a tiRTS dosimetry badge and the badges vill be exchanced montaly. The dosimeter vill be evaluated by the Doaimetry Branen of 1
the liealtn Services Lauoratory using a model 2000 liarshaw Chemical Comp-any Thermoluminescence Analyzer.
The tuermoluminescence reading is converted to millirad based on a Pa calibration. The results of each group of badges are averaged and the reported value represents the measured dose to TLD 700 tissue equivalent materie.1 (exposed directly througn an open vindow) minus the dose mensured at the background location.
IV.
WATER MONITORING A.
Licensee Water Monitoring All liquid active vaste is piped into retention tanks and t. ten to a privately ovned utility company sanitary sever line along with all otner liquid vaste. The sanitary sever line terminates at two 35 acre settling lagoons near the Missouri River. Knowing the isotopic concentration and the 100 cubic meter per day water usage, the licens se dc.termines t.te maximum daily tank volume which can be discuarged.
The licensee does not sample the liquid vaste beyond tue retention tanhs.
B.
IMP Unter ?tonitoring 1.
Location:
T.ie only easily available acnpling location it. tue
9' e sever line to v.lich the liquid vaste is released is the lift station and vet vell near vigus, Missouri, abcut three miles northwest of the licensee.
It is proponed to place a continuous water sampler at the lift station in order to obtain a composite water sample representative of tae sewer line's flav. The water sample will be collected veckly and sent to the ID Healta Services Laboratory for nnalysis.
C.
Water Unsple Analysis 1.
Gross Alpha: No gross alpha analysis will ue performed on vnter samples, since the licensee does not handle alpna emitters.
2.
Gross Beta: A 100 ml aliquot of the cample is dried on a pletc.dt and counted in a low-Lacheround beta counter which nas bacn calibrat-20h ed with a standard T1 source. Counting rates are corrected for i
sanple self-accorption based on measured accorption of Tl betas,
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If the setivity in tuo sample exceeds 2 x 10 uCi/ml, tae 32 10CFE20, Tacle II limit for P, a specific analysis fer tais j
isotope vill be mnde.
3.
Gross Gamma: A one liter aliquot of the sample is counteu in n sodium iodide vell-counter. If the sample activity exceeds 2 x 10'I uCi/ml, the 10CFR20 Table II !!PC for I, a gamma spectrum vill 1
be run using a multi-channel analyzer. Tae activities of specific
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inotopes identified in the spectrum vill be deterrined.
L.
Tritium: Tritium activity is determined by liquid scintillatinr.
counting. In this method a PPO, POPO?, napt.talene, p-dioxanc ccin-tillator is used with a Beckman Scintillation System. Tne ssnple is I
first gamma counted to determine if other radioactivity is present.
If activity other than tritium is present, distillatien of the oumple is necessary. When distillation is not necessary, particulate matter is removed by filtering and any color is removed to prevent quenching.
Five milli 11ters of aqueous sample are used in 18 ml of scintillator. A blank sample of identical size is used to determine b
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background. A standard tritit.ted water a pple is used to calibrate the counting system.
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Carvon-lhe because the weak betas of C are not detected in the cross beta counting procedure, at least intitially an analysis I
specific for C will be required for each water sample.
V.
OTHER S/.!!PLING There are no foodstuffs in the area vnich migat be affected by normal fi/U operations. Because'of this fact and the nature of the
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14/i1 releases, no sampling of other media is recommended at present.
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e TABIE I'
!4allinckrodt/ Nuclear Schedule of Radioisotopes Nuclide Amowit Prequency f
131 i
I 15 Ci Weekly 32P 1.6 Ci Weekly 198Au 60 Ci
- cekly 19I h Ci deekly llg I Se 30.5 mci Semi-ifonthly
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125 I 3ho ' Ci
- tonthly m
60Co 300 uci
- enthly ICo 950 uCi
- enthl:,-
3 [c approx. 35.Ci Every 10 Wecko 1
85Gr approx. 1 Ci Every 10 Weel.s j
Fo approx. 350 mci Ever/ 10 Weeks 51 Cr approx. 5 Ci Lver/ 10 Weci.s 99to approx. 155 Ci Veckly 1h C
10-12 Ci Yectly I
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'In tue near future !!/:1 plans to procure approximately 300 Ci of. tritium, as a cas, each year.
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TADLE II 4
i!/f4 Environmental Sampling Program i
Loention Measurement Type and Frequer cy
)
- 1, Roor or Dennett Box Co.,
Air, continuous vitn weekly filter d
approximately 50 feet north changes of !!/11 TLD, continuous exposure vita montl.1;-
dosimeter changes.
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- 2, Roof of fire station on Air, continuous with weekly filter Dorsett Hd., approximately changes 1200 feet north and 50-60 TLD, continuous exposure with montul;-
r a
feet higher in elevation dosimeter enanges (a secondary I
than M/N TLD onchground location)
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- 3, Boof of !!PA Plant Food Air, continuous with weekly filter I
Warehouse at the corner of changes
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Dornett S Adie 1:oads, approximately l
2h00 feet southeast and' about 50 feet higher in elevation than!!/H
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- h, Hcvard Bend Station City Waterworks Air, continuous with veekly filter approximately seven miles southwest changes of !!/N, an air and TLD background TLD, continuous exposure vita nonthl;/
location douiceter enances
- 5, florth, M/N perimeter fence TLD, continuous exposure vita montal;'
dosimeter chances t.
- 6, East, M/W site perimeter TLD, continuous exposure with
. monthly dosimeter caanges
- 7, South, M/H perimeter fence TLD, continuous exposure with monthly dosimeter enanges
- 8, West,ft/il perimeter fence TLD, continuous exposure vita monthly dosimeter caanges
- 2, Sewer line lift station and Water, continuous collection with vet vell near Vigus,Ifo.,
weekly changes about 3 miles northwest of, M/N A typical san $le vill be indentified by the following code: !!/N-1-A, vacre: M/N signifies any sample associated with the Mallinckrodt/ Nuclear Division facility; 1, or_another number designates the sampling location (see above); and A, or other letter code, specifies the medium sampled (code below).
Sample Tyne Code Air A
Surface Water SW External Fadiation ER O
y
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,.,,y