ML20028D434
| ML20028D434 | |
| Person / Time | |
|---|---|
| Site: | 07000146 |
| Issue date: | 09/11/1958 |
| From: | Haycock T, Whitman A US ATOMIC ENERGY COMMISSION (AEC) |
| To: | |
| Shared Package | |
| ML20028D423 | List: |
| References | |
| FOIA-82-561 NUDOCS 8301190117 | |
| Download: ML20028D434 (11) | |
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COMPLIANCE INSPECTION REPORT AssistInspection No. 2;,.]
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- 2. Date of insg* tion
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' 1. Name and aJdiess of laenice
,, Spencer Chemical Company j,.,[;,
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.- August 28, 958'
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- 4. to CFR Pan (s) appikable
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,,,hyhawk. wor.ks',' Pittsburg, KansasD'.t*
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e and conditions (in ludang amendments) '
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,r f.SNM-154, as a) mend. 7/28/583. Lirenie nunder(s,issurand empiration dates, scop /1/60 4
Scope Uranium enriched in the U-235 lootope, not to ':
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. exceed 100 kilograms of contained U-235,' for use in'the1 E.
'z.)T, /Q@,.'?(procese of converting UP to UO, or scrap material tol,
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-H.~ 1.2 ii' nitrate or oxide, using the proceikres described in the ' '
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U. @ app!! cations of Sept.15. Oct. 7, and Dec. 19,1957; (
. J r, '. April 16. May 14 s id 16. June 6 and 23,1958; except,?,,
g.. j that for the blending operation approval la given under j. M
, rials up to 2.3% enriched)n U-235 in a rnntmum batchf.'1
, the May 16,1958, application for the tiending of mate-f..
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size cataining no more then. ten kilograms of U 235. y s
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Conditions: Authorized activity to be conducted at ' n.
11censee's Jayhawk Works located between Pittsburg,' U Kansas, andJoplin, h(1ssourt. ~.c.d/A,;;tlJ.y e ', y C 3571. Amend.1, 2/28/58 9/1/58 Scope: Licensed to receive possession of and title to ' di
,4 t. ' ; three hundred (300) pounds of uranium' magnesium 9
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) fluoride scrap for pilot scale Investigations of scrap L'q ;
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. ; recovery, and five thousand (5000) pounds of.(con @ :. (.j n.v c,x /.-*.~.W t ~ %-
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4 tywima 6adest (and itenn ot noexnmpliance)
The !!censee's authorized representatives have en excellent knowledge of the rules and regulations %
pertaining to the licenses. De care and pains that went into the planning of this installation'are, q'd reflected in the manner in which the operation is run. 'They have excellent control over the operationy and material. Mr.Stevenson was more th*n wi!Iing to comply with the pertinent rules and ni gulationsk
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- ,., ; z ex De following items of noncompliance were noted
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10 CPR 20.401 - Records.
Radiation surveys of the pilot plant and associated areas are conducted, but-the results of these surveys are not recorded. See paragraph 15 of report.l3 g (c)
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License No. S'N-154 - Condition 10, Authorized Place of Use.
Samples of processed material from the uranium pilot plant were sent to the N Kansas City office for use et the Rockhurst College in Kansas City, Missourt.' W
' This location is not authorized for receipt of material as per license. See.'
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'l BARNES82-561 PDR -
-"7. Date of last presious inymtma
- s. Is " Company Confidenti2l" information contained in this repost? Yes g No O. d '>
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. The enclosed Exhibits 8. C, and D, and paragraphs None. '
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Coatf='fon Sheet 1 Spencer Qemical Company Kansas City, Missourt (Pittsburg, Kansas)
August 28,1958
- 5. Continued uranium, as metal or compounds, for experimental C-3571. Amend.1 2/28/58 9/1/58 work la scrap recovery process, engineering, design and development. Further licensed to transfer and deliver possession of and title to refined source mate-rial to er f personlicensed by the Atomic Energy CommiseW. within the limits of his license.
Conditions; Regaired to mainnte records of isven-tories, receipts, and transfers of refined source material.
Subject to 10 CFR 20.
Neither this license nor any right under this license shall be assigned or otherwise transferred in viola-tion of the provisions of the Atomic Energy Act of 1954.
Wensed to receive possess. loa of and title S_ cope:
R-218 1/20/58 2/1/59 to up to 10 kilograms normal thorium oxide -uran-lum oxide mixture for use in the process research.
Further 11ccused totransfer and deliver posseesion of and title to refined source material to any persom licensed by the Atomic 3:ergy Commission, witids the limits of his license.
Conditions: Same as C-3571 above.
- 6. Continued 10 CPR 20.203 - Caution signs, labels, and afgn21s.ne storage vault contained material causing a dose r c.
was not posted. This dase rete is in excess of the 5 mrem / hour set for a (b) radiation area as specified in this section of the regulation and the s,at should have been posted as a radiation area. See paragraph 3J of report details.
nis same area did not have signs stating that Radioactive Material was present in the area. The area contained gaintitles of licensed material, (e) (1) cther than natural uranium and thorium, in excess of the amounts specified i
in this section. See paragraph 33 of report detalts.
The contaiwrs in the storage vault were not labeled. Bene containersheld (0 (1) cpantitles of licensed material, other than natural uranium and thorium, la and (0 (4) excess of the amounts prescribed in this sectlan of the regulation. See para-graphs 32 and 34 of the report deta!!s.
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e Costinuation Sheet 2 Spacer Chemical Company Kansas City. Missourt (Pittsburg. Kansaat August 28.1958 Ceneral 9.
An Intttal inspection of the Spencer Chemical Jayhawk %orks. Pittsburg Kansas, was conducted on August 28,1958 by the ALO Licensee laspection Divisica. This inspection was made to determine the compliance of the licensee with the conditions and apptiraSte rules and regulattoas pertaining to the licenses. Nos. C 3571.
R-218. and SNM 154.
The inspector was accompanied by Mr. J.1. Mayes of Kansas State Board of 10.
Health.
ne preinspection conference was a~ ended by Mr. J. E. Smith and Mr. H. D.
11.
Nester of the health and safety department; Mr. B. C. Marhofer, laboratory supervisor; Mr. C. E. Chenoweth, supervisor of uranium plant operation; Mr. L. C. Stevenson. supervisor of pilot plant section; and Mr. R. Culpen of State Board of Health. Mr. Chenoweth ami Mr. Stevenson escorted, and were interviewed by. the inspector.
prranizarton and Program ne Spencer Chemical Company's Jayhawk B orks is located approximately 25 12.
miles south of Pittsburg. Kansas, and about 17 miles east of Joplin. Missourt.
This plart is engaged in the manufacturing of agricultural chercicals. The uranium pilot plant is a small section of the over-all plant. Dis operation is one branch of the process development department. De direction and design sections of the process development department are located at the Kansas City. Missouri, installa-tion, and the pilot plant is at the Jayhawk Works. Pittsburg Kansas. Die pilot plant is destped to purify uranlura-coa'aintnr pro &xts, of various enrichments, the end result being purified solutions or pure compounds. Pure compoutds are the main objective and the ultimate goal is a process to produce these compounds.
I 13.
Mr. Stevenson is in charge of the J.ayhawk B orks Uranium Pilot Plant and as such is respons1Ne for the licensed reaterial.
~
14.
Mr. Stevenson also acts as radiatian safety officer. This responsibility is in the process of being transferred to the Health and Safety Departmcat.
Records Surveys above and below the waste strearn outlet of the puot plant, air samples of 15.
g the pilot plant area. sampling of the settling basin effluent, and radiation surveys i
of the area were all conducted by the responsible parties of the Jayhawk Works.
nese survey samples were processed and analyzed at the Kansas City laboratory g
and only the signiccant results were forward 2d to the Jayhawk V orks. The only j.,
record ava11sbie to the inspector during this inspection was a summary of the air l
samp!!ag resulte (a copy is appended to this report se Exhibit A). Dese results
' O came from the Kansas City. Missourt, otnce. and it is possible that they will have the results of the other aforementioned surveys (water nd waste stream samples) at this location. Mr. Stevenson stated that the radiation survey results were not recorded. and the maximum reading, in the pilot plant, was ~ 0.4 mr/
hour.
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Continuation Sheet 3 Spencer Chemical Company Kansas City, 2.ilssourt (Pittatairs. Kansad August 28.1958 16.
Company Confident $al._ ne transfer forms and receipts were reviewed. De re-ceipts &ted from November 13,1956, to July 24,1958, and transfers and process losses fromJanuary 2.1958, through August 20.1958. Dese quantitles amounted to the followtog ermeerles for each enrichment of uranium:
TABLEI Traarfers to Loss Dutg Enrichment Licensed Users Processtar_
Received 93%
78.5 gm 4.9 gm 84.4 gm 27%
995. 4 gm
- 10. I gm 1.013.0 gm 10%
2,310.0 gm 36.5 gm 2,357.0 gm 2.3%
199,170.0 gm 399.656.0 gm Normal 45,105.0 gm 2.832.0 gm 4,115.0 gm f.
NS 40 28,132.0 gm 15.041.0 gm 116.952.0 gm
- [,
Samples of entiched uran tum were sem to the AEC laboratories at New Brunswick.
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New Jersey, and to company office at Kansas City for analysts at the Rehrst College in Kansas City, Missourt.
TABLE R Amous at Enrichr,ent Sample _
Receiver 2.3%
2.0 gm AEC
- 2. 3%
25.O gm Rockhurst College 10%
2.3 gm AEC 10%
- 3. 2 gm Rockhurst Collegs 27%
1.0gm AEC ne licenmehad no evidence to substaarf ara whether or not theos installations were 11 censed to receive special nuclear material. De detailed breakdown, of the above tables which includes: licensees, license numbers, dates, etc., is on f!!e as back-up matertal for this report.
j Condition 10 oflicense No. SNM-154 states: Unless otherwSe specified. the authorized place of use is the licensee's address stated in item 2 above." Authorized I
activity to be conducted at licensee's Jayhawk Works located between Fittsburg, I
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Kansas. and joplin, Missourt. De fact of noncompliance is indicated in the alms I
table (II). The material is being used et Rockhurst College, Kansas City. Missourt.
De isotopic catent and amounts are also Indicated onTable II. Company Confidential.
Procurec ent and Inventory 17.
Mr. L. H. Landrum. Director of Process Development, of the Jayhawk Works, rerpests the needed material from Mr. L. D. Jones of central purchasing. Kansas City insta11stis Mr. Jones then processes the order through the purchasing departmem. Tbc reaterial'Is then received at the Jayhawk Works.
18.
Company Confidenstal, ne inventory on hand is as fallows:
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Coret=mion Sheet 4 Spencer Chemical Company Kansas City, Missourt (Pittsburg, Kansa4 August 28,1958 TABLE III Purchased on '
Enrichment _
Form Amounts Licwe No.
9J%
Nous SNM-154 27%
Mixed oxides 7.5 gm SNM-154 10%
Mirr J oxides 10.5 gm SNM-154 5
UO *ADU*
199,243.8 gm SNM 154 2.3%
2 UO UF -ADU' 57.743.28 gm )
C-3571 Normal 2 6 UO UFf etal-ADU' 61,313.1 gm )'
M NS 40 z
Uranium )
oxiaes ta 400.0 gm )
II norium )
combinatics 1.200.0 gm )
Normal MagnesiumFluorids )
1,000.0 gm C 3571 Uranium (.7%)
w/ flaked U thru it )
The above inventory imite**s a total of 199,261.8 grams of special nuclear mate-rial as the indicated compounds. Company Confidential.
Facilities and Instzumentation 19.
Company Confidential. The pilot plant used to process the licensed material is as indicated on drawing 48-7, issue 5. and is laid out as per drawinp48-9 and 48-12.
These drawings are canntaed in the backup material for the license (Appmtfr IIA, dated May 16, 1958 Docket 817-144 This pilot plant is so designed to be safe as possible fr,xn criticality acetdents without relying on humans to keep it so. His is accomplished by making the vessels volume (mass) safe and the areas geometric-ally safe. Dere are some areas in which the criticality is dependerst on the vigi-lance of the operator and/or the supervisor in charge of the opersticm. These areas aqueous waste storage tanks (T9 and T14), the furnaces (F1 and F2), the dry are:
Imx (EPS) and blender, and acid sump tank. Criticality may occur during spills and/
or equipment failure (Hydrolyzer V3. rich acid storage'T1 or T2, dissolver vessel V14). The fategoing information and additional information on the pilot plant is taken from the " Temporary Operating Instmctions* "Uranhm Pilot Plant No.1."
dated February 15,1958, page.U1-079, section Ul 406. Hesith and Safety. Copies of the pertinent pages of this manual are attached as Exh1Mts B. C, and D with this report. Company Confidential._
20.
De storage area is a reinforced concrete vault with a steel, combinattan-loch door, nts area is 14' X 20" and is located in the engineering butiding (B!dg. D).
All the licensed material other than that in prtress is stored in this area. De criticality in this area is geometrically corarolled by use of " bird cages
- and !!oor markings.
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21.
In the sautheast corner of the Jayh2wk Works m in ptlat plant there is a small
" bench scals laboratory." nis work area is hooded (not filtered). Small expert-ments are carried on at this location using NS 40 (depleted) or normal uranium in esantities that do not exceed 2.000 grams. The results of these experiments indt-care the feastbility of continuing the " experiment" in the uranium p11ot planc.
- Note: ADU - Ammonium Diuranate.
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Canianation Sheet 5 Spencer Chemical Company Kaasas City. Missourt (Pittsburg. Kansas $
August 28,1958 De t.nal)ticallaboratory is set up to do colorimetric analysts for uranium en the 22.
samplea taken from various phases of the plict plas processes, the settling basta, etc. This work is done on stainless steel trays and/or paper-covered benches to protect the area from ccatamination due to spills.
23.
The change area is in a tutiding separate from the uranium pilot plas and a good distance to the south of it. nts building coctained locker facilities, rhower facilities, and laundry facil'. ties. Men the p:rruonnelleave the pliot plant they are to clean up and survey themselves prior to going home. This is done at the change area. There are facilities at the uranium pilot plas for changing in an emergency before going to the change area--this is to keep the change area from bec. ming o
contaminated.
24.
Survey inanM41on at the installation included: 2 Tower 6159 (Sears Roebuck)
GJf. partable survey meters and 1 Nuclear-Chicago Model 2612 G.M. portable survey meter. Dese instraments were in good operating order at the time of'the inspection. De air sample surveys, contamination surveys and radiochemical survey and sample counting are cbne at the Kansas City. Missouri. Iaboratory and only the significant results are forwarded to the Jayhawk Works.
i llealth Physics Policies and Procedires 25.
The personnel monitortug program employs the use of flim badges. This service is rend: red by t andmi. Jr., Park Forest. niinois, on a monthly basis. De program was initiated three weeks prior to the date of inspection and the initial results have not yet been returned.
26.
A monthly urinalysis service is provided by Nuclear Science and Engineering Corporation. PittsburEh, Pennsylvania. The maximum result reported was 0.04 mg/l and the average was.006 rng/1.
27.
Dere are two written <.afety procedures. The first is a 20-page manual file e99331. entitled "Ites'.A and Safety in !!andling Uranium." dated Februa ry 19.1958.
The ccetents of this manuni includes two parts:
Psrt One
- 1. Fundamentals of Radioactivity U. Bialogical Effects or Rad!ation I
M. Radioactive Decay of Uranium IV. Units of Radioactivity and Dose 8
V. External RMtarton lizzard from Uranium VI.1cternal Radiation llamard Due to Uranium Part Tm o j
- 1. Protection Against External Radiation from Uranium f
i
- 11. Protection Ag:unst Internal Hazards of Uranium j
- m. GeneralSafetyProvisions IV. Itousekeeping V. waste Disposal VI. Records Correspondence, pertaining to safety, prior to the publishtcg of the manual and subsequent to its release. is also incluJed. -
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r CaaHawton Sheet 6 Spencer Chemical Company tranaam City, Missouri Fittsburg Kansa4 August 28.1958 6
28.
The second written safety procedure is incorporated in the " Temporary Operating Instruction. Uranium Pilot Plant al." dated February 15,1958. nis sectionC.fI-406) ca!!ed " Health and Safety " deals exclusively with the problems of criticality and t
general safety of each component of the urantum pilot plant' 4
s 29.
The emergency proce&res are included la the aforementioned manuals.
30.
Company Confidential, he waste from the Js3Mwk Works is disposed of through v
the plant sewer system and waste treatment ple=t. The settling basin (pond of the treatment plant has a dilution factor of about 50, with a flow of alout 950,000 gallons of H 0/ hour. His is all within the restricted area of the Jayhawk Works. The 2
effluent of the treatment plant flows into a stream, which is adjacent to the Spencer Chemical Corporation property. Samples of the waste material, various effluents, etc., are taken on a routine basis as is described in the Health and Safety Mamal
-e and the Operating Manual. De waste from the urantum puot plant to the settilag, j#g' basta is recorded in the pilot plaza log. The following are campla amou=ts of waste sent through the waste processing plant: 195 liters at.05 grams / liter 190 liters at.09 grams / liter, and 195 liters of <.05 grams / liter. There was also 17 gallons of gas condensate at.18 gruns/ liter. He foregoing results are all less than 7 X 10-6 microcuries/mi as specified in 10 CPR 20.103. De tcsal amounts dis-posed of from November 5,1957, througin the date of inspection ( August 28,1954 are talmiated in the " loss la process" colume of Table I. The data from whichthese results were obtained is in the backup for this report. Comtuny Confidential.
31.
A survey, of various areas, catutucted by the inspector indic1ed these maximum In the uranium pilot plant a maximum of 1 mr/ hour was noted at the st.c amounts:
face of the storage tanks (I' T 7) cr=tatatg source material. The rest of the uranium pilot plant is < 1 mr/ hour. A bag of scrap source materia 11a the storage vault Indicated a maximu o dose rate of 10 mr/ hour. De change area and laundry area was < 1 mr/ hour. The analpical laboratory was < 1 mr/hcnr.
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- 32. De containers in the storage vault containing the UO. scrap metal, ammonium 2
diuranate, etc., were not labeled in accordance with 10 CFR 20. 203 (0 (1) and l l'.
(0 (4) nese containers held quantities oflicensed materialin euess et 30 micro-t curies (.165 pounds) as is specitted in this section of the 10 CFR 20.
i 33.
De storage vault which coraatned the processed and unprocessed licensed material had a dose rate of 10 mr/ hour at one toch from the containers of scrap metal. This area also had licensed material in excess cf 500 microcuries (1.65 pounds) withis l
It. De area was not posted in any manner to Indicate the presence of radioactivs material or as a radiation ates.
- 8 34, ne storage containers in the uranium pliot plant may contain up to 25 pounds of uranium. Dese 'aaba are not labeled nor were they ever labeled, although at one time or another they did cantain the maximum volume. At the time of the inspection {N the maximum amount of uranluta (.7Q conht-d in these storage tanks was < 1.65 i
t pounds (500 microcuries), therefore labeling was not required.
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Contfmatio a Sheet 7 Spsneer Chemical Company Kansas City. Missourt (Pittsburg. Kansas)
August 28,1958
SUMMARY
OF AIR SAMPt.E RESUI.T3 For Natural U II
- Dge, Sample Designation ec/m! x 10 unm/m3 29 May 19 May,7PM-7AM (Behind Panel Board) 12 Hrs. at 54 Ft3/Hr.
(0.43820.428) 0.0609 1 0.0596 21 May,7AM 7PM 3
12 Hrs. at 54 Ft /Hr.
(0.906
- 0.414) 0.1260 2 0.0482 H
20 Ma. 741-21 May 7AM' 54 F lir.
2 June 13 May,10PM-14 May,10AM 3
12 Hrs. at 54 Ft /Hr.
(3.71 &.928 )
0.5151 0.13 13 May,10AM-10PM (West end of furnace)'
3 12 Hrs. at 54 Ft /Hr (1.79 t 0.622) 0.248 2 0.0864 12 May,1:50PM-1:50AM J
54 Ft /Hr.
(2.00 t 0.656) 0.278 t 0.0911
! May 3
12 Ilra. at 54 Ft /Hr.
(0.479 i 0.423) 0.0666 2 0.0608 8 May. 7PM-9 hp/Hr.
7AM 12 Hrs. at 54 Ft (1.67 2 0.606) 0.233 1 0.0841 2 May,10AM-10PM 3
12 firs. at 54 Ft /Hr, 1.ocated by south door (3.44 2 0.858) 0.478 2 0.121 6 May,
-9PM 3 12 Ifrs. at 54 Ft /Hr.
1.ocated at furnace downcomer (16.0 t 2.91) 2.23 2 0.406 Permissible la Permissible is 5 x 10'lk/ml.
about 65 igm /m3
- This is not significantly different from the background.
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Spamcer Chemical Company
'g k s' it.si\\ \\ N ogggy August 28.1958 From Page U1 -079 TEMPORARY OPERATDIO INSTRUCTIONS URAN!UM PILCrf PLANT NO.1 UI-406 HEALTH AND SAPBTY
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UI-406.1 Intro & action. Health and safety practices la handling uranium have been set down in a report " Health and Safety in
!!andling Uranium." which deals with radiatica and chemical toxicity. The following information is intended to point out the danger fium criticality accidents and other possible dangers in operstloa of the plant equipment.
Much of the informatica on criticalityis from the Spencer Chemical Company Application for Special Nuclear Materials License.
Equipment places, vessels, piping and pumps have been installed in criti-
)
cally safe positicas with respect to all other equipment. Indivt&tal pieces j
of equipment have been designed to be critically safe Virtually all vessels and tanks are dimensionally safe or volume safe / Exceptions are the aqueous waste storage tanks, which are to be kepthth concentration and mass safe by operation and the furnaces and dry box which are to be operated,
as mass safe.
b Equipment which is volume or dimension safe will remain so even though operated incorrectly. For those pieces depending upon mass or concen*
tratice. Improper operation can easily result in criticality.
Criticality may occur during spills if care is not used in transferring materials.
Equipment failurs leadog to criticality, while improbde, may occur.
% hen processing depleted and naturd urantum. au notes on criticality may be disregarded since these matert alscannot be made critical in our facility.
Materials of a alngle isotopic analysis will be processed at any one time.
De system must be completely c! cared of all uranium before the process-lag tr.aterial having a different isotopic analysis is started.
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$ pencer Chemleal Company Kansas City Missourt (Pittsburg, Kansas)
August 28,1958 From Page U1 -090 TEMPORARY OPERAUNG INSTRUCTIONS URAMUM Pl!BT PLANT NO.1 U1-406.3.2 Spl11s.
Normal Safety. (Covered fn report "Heale U1-406.3.2.I and Safety in Handling Urantuni. ')
Criticality. Spills ofless than 20 grams U1-406.3.2.2 uranium may te cleaned up with no regard for possible criticality.
Major spills will necessitate orderly plant shutdown and reduction of the uranium inventory in tbs spill area tefore cleanup proceeds. Containers for spilled ursalum materials should not be pieced amarthan 1 foot from any other uranium containers. One liter containers are to be used to transfer solutions from spill area to storage. Stainless steel tubing not to exceed 3/8" diameter may be used to transfer solution to safe storage.
Safe catch p.ms are provided where obvtaus spill dangers exist.
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V pQ5 lt August 28.1958 From Page U1--093 TEMPORARY OPERATING DEiTRUCT10lt5 URANIUM PILOT Pl. ANT NO. I i
Fire. Fire la the building presents three problems.
First. the organic phaos for entraction is flammaide. Se:ond, the hydrogen U1 406.7 ld is trath flammable and explosive. Third, water used tailghting a Are cou k
i larly mis with ursalum and create a criticality condittom. This is part cull be used to control true of the uranium la the dry box and furnaces. CO wi 2
h ll be in-any fire in the uranium building and the plant 23 department s a ium building structed not to use water unless regnested to do so by the uran ported to supervisor. Care will be takes in handling UO as it has been re 2
lh gh be pyrophorte. Explosion could occur as a result of the hydrogen, a t ou f
- plosion, precautions have been taken to provset this, la the event o an ex the area will lya surveyed for uranium cnnemmination.
Failure of Utilities.
U1-406,8 Air and Cas. 'the normal hazards here have b
been covered la disucssion of the Atrances. Feed to furnace F 1 must e U1-406.8.1
,e' stopped to prevent accumulation of wet materialin the tubs.
Electricity. All pumps and drives will stop.
"Ibe furnaces must U1-406.8.2 and movement of material will stop within a few misstes.be rotated by hand to Solids l
d that gas flow ta will collect in the hopper of VF-2 and may plug the fee er soal indicate that this is happen-
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the furnaces is stopped. The pressure gauges w ing.
UP feed valve to the If failure of electricity occurs daring a hydrolysis, the 6
h ld be hydrolyzer must be closed immediately. Steam to the evaporstor s ou d No criticality cut off and ammonia feed to the precipitator shodd be stoppe.
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is involved.
water. There is no particular hazard frosa 3
U1 406.8.3 chemical or process standpolat.
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Criticality may occur la the followlag vessels if a leak estate between vesse g
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Hydrolyzer. V-3 Rich Acid Storage T-1 or T-2 or 9,
DissolverVesselY 14 d drainthe In the case of along term water failure, close inlet water valves ancome i s Leave
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h i to a volu=c safe the Jackets opea so that any leakage will drain out of t em n container.
Steam. The hasard here le possible criticality st.
due toleakage of sich solutioninto the Jacket of the dissolver. V 14. Topreve U1 406.8.4 connection f
accumulation of soltalce la the jacket, disconnect the water or steams l
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