ML20150E200

Request That Prompt Insp of Causes,Safety Implications & Associated Licensee Actions Associated w/Po-210 Contamination of Licensee Plant in Easton,Pa Be Performed

ML20150E200
Person / Time
Issue date:	01/25/1988
From:	Russell W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
To:	Martin T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20150E150	List: ML20150E147 ML20150E157 ML20150E165 ML20150E171 ML20150E176 ML20150E186 ML20150E200
References
REF-QA-99990001-880310 NUDOCS 8803300038
Download: ML20150E200 (74)

Text

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UNITED STATE 1

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NUCLEAR REGULATORY COMMISSION 3

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T.eNG OF PRUSSIA, PINNSYLVANIA 19406 JAN25 ;ggg MEMORANDUM FOR:

Thomas T. Martin, Director Division of Radiation Safety and Safeguards FROM:

William T. Russell Regional Administrator

SUBJECT:

AUGMENTED INSPECTION TEAM - POLONIUM-210 CONTAMINATION 0F ASHLAND CHEMICAL COMPANY, ELECTRONIC CHEMICALS PACKAGING PLANT, EASTON, PENNSYLVANIA You are directed to perfonn a prompt inspection of the causes, safety implica-tions, and associated licensee actions associated with the polonium-210 contamination of Ashland Chemical Company's Electronic Chemicals Packaging Plant, Easton, Pennsylvania. The inspection shall be in accordance with NRC Manual Chapter 0513, Part III, and additional instructions in this memorandum.

DRSS is assigned to conduct this inspection and J. R. White is designated as the Team Leader. The team will also include participation by NMSS.

OBJECTIVE The general objectives of the AIT are to:

a.

Conduct a timely, thorough, and systematic inspection related to the circumstances surrounding the contamination event, including assessment of the licensee's actions to (1) report the event, (2) contain the contamination and prevent further release, (3) determine the extent of personnel and facility contamination and the associated health and safety implications, and (4) effect amelioration of the event. Additionally, to the extent possible, the AIT shall determine the causal factor (s) that precipitated this event.

b.

Assess the safety significance of the event and communicate to Regional and Headquarters management the facts and safety concerns related to the problems identified.

c.

Collect, analyze, and document all relevant data and factual infonnation to detennine the causes, conditions and circumstances pertaining to the event.

se03300039 800310 REG 1 OA999 EMVASHCC 99990001 DCD

. Thomas T. Martin 2

JAN 2 51988 SCOPE OF THE INSPECTION The AIT response should identify and document the relevant facts and detennine the probable causes and should be limited to the issues directly related to the contamination event, and responses and actions of the general licensee, Ashland Chemical Company.

Specifically, the Alf should:

a.

Assure appropriate actions have taken place or are planned that will effectively resolve concerns for employee and public health and safety, b.

Develop a chronology of the event.

c.

Review the sequence of events and associated records, logs and notes concerning the event.

d.

Review maintenance and equipment control activities leading to the event.

e.

Assess the licensee's response and actions to the event.

f.

Assess the adequacy of the corrective actions.

g.

Determine the scope and quality of Ashland Chemical Company's review of the event.

h.

Determine to the extent possible the probable cause(s) of the event.

SCHEDULE The AIT shall be dispatched to the site on January 23, 1988, and shall remain there as long as necessary to accomplish the objectives of this inspection.

It is expected that this will take no longer than four working days.

A written report shall be provided to me by February 19, 1988.

TEAM COMPOSITION The assigned team members are as follows:

J. R. White, DRSS, Team Leader F. M. Costello, DRSS S. L. Baggett, NMSS J. M. Pelchat, DRSS L. F. Friedman, DRSS lW.

Wh111am T. Russell 491onal Administrator

Eppendix4 Ashland Chemical Company's Easton, Pennsylvania Plant Layout G

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Appendix 5 Processes and Products at Ashland Chemical Company's Easton, Pennsylvania Facility

, Appendix 5 1

Processes and Products at the Ashland Chemical Company's Easton Facility The following chemicals are packaged at the licensee's facility.

Acetic Acid Ammonium Fluoride Ammonium Hydroxide Hydrochloric Acid Hydrofluoric Acid Hydrogen Peroxide Isopropyl Alcohol Methanol Mixed Acid Etchants Nitric Acid Potassium Hydroxide, 45% solution Sulfuric Acid Xylene Phosphoric Acid Solfuric acid is the major product distributed.

The facility performs chemical analyses, mixing, filtering, and other processing of the bulk chemicals prior to packaging in bottles, drums and tankers. Appendix 4 to this report provides a plant layout of the Easton facility.

Most manufacturing and chemical mixing operations occur in Buildings 3 and 4 where anhydrous hydrofluoric acid is received in tank cars and stored for later processing.

Some products are packaged manually in Building 3 using non-nuclear electrostatic ionizers. Ammonium hydroxide is pumped from Building 3 to Building 7 for manual bottling.

Building 7 is also used for small volume packaging operations for unmixed products, such as chlorinated solvents and xylene, and filling uncommon container types.

Three manual chemical filling stations in Building 7 use 3M Model 908 ionizing air nozzles for removing particles from the containers prior to filling.

Building 9 houses the automatic packaging system.

This system uses an automatic conveyor system and includes the following operations:

1.

Uncaser - Performs automatic removal of new containers, i.e., plastic or glass bottles, from the shipping cartons.

2.

Bottle Washer (Cozzoli) - Performs automatic washing of the new containers to eliminate particles and impurities that may adhere to bottle surfaces.

This machine uses fourteen 3M Model 908 ionizing air nozzles to support the cleaning and drying functions.

. Appendix 5 2

3.

Filling Stations - Performs automatic filling of the washed bottles with the desired product.

4.

Capping Station - Performs automatic capping of the filled bottles.

The capping unit uses one 3M Model 908 ionizing air nozzle to remove particulates that may adhere to the caps.

5.

Labeler - Performs automatic labelling of filled bottles.

6.

Caser - Performs automatic packaging of filled bottles in shipping cartons.

Certain special order products have been packaged in bottles in Building 16.

This building contains a single manual fill station employing one 3.'l Model 908 ionizing air nozzle.

Following these operations, the cartons (each of which contain between four and six containers of product) are automatically labelled, sealed and placed on pallets.

Storage of product for distribution is usually in Building 25.

The automatic bottle washing machine was designed and manufactured by the Cozzoli Machine Company, Plainfield, New Jersey, to specifications provided by the Ashland Chemical Company.

Three identical units were built. One each was installed at Ashland Chemical Company's packaging facilities in Easton, Pennsylvania and Dallas, Texas.

The third unit was in storage in New Jersey, but since has been used to replace the unit at the Dallas facility following the discovery of extensive Po-210 contamination on January 22, 1988.

The machine, known as the Cozzoli Washer, is designed to automatically clean containers.

Though the containers are new and unused, it is the purpose of the washer to eliminate particles (dust and debris) that may adhere to the surfaces of bottles due to static electrical charge.

The operating portion of the machine is a conveyorized rack which movas inverted bottles through ten different washing stations, six at a tims.

The washing unit of the machine is enclosed with plexiglass panels to allow observation but retain water spray and steam condensate within the confines of the device.

The ten stations, each with six bottle racks, are aligned as follows:

Station 1 Compressed air is injected into each of the six bottles through a 3M Model 908 Ionizing Air Nozzle. Air pressure at the nozzle in about 90 psig.

Station 2 This station is considered a blank.

There are no injection nozzles installea at this station.

Appendix 5 3

Station 3 Deionized water is injected into the bottles at these thru stations.

The water is heated to about 140 F.

The Station 6 resulting steam formed is evacuated by a ventilation exhaust duct located within the enclosure.

Station 7 Compressed air is injected into each of the bottles at thru these stations. The air is not ionized at these stations.

Station 9 Station 10 Compressed air is injected into each of the six bottles through a 3M Model 908 Ionizing Air Nozzle. Air pressure at the nozzle is about 90 psig.

At any one time, there are 60 bottles being processed through the washer.

Processing rate may range between 20 and 50 bottles per minute.

Normally, bottles are processed at the rate of about 24 to 30 bottles per minute. At this rate, bottles reside at each station for about 16 seconds, about 8 seconds of which is spent in positioning the bottles at the station and inserting the nozzles.

The remaining 8 seconds is used for the injection of air or water.

Following, the nozzles are retracted from the bottles as they move to the next station in the washer, at which time the process is repeated.

In this manner, compressed air at 90 psig is blown through the 3M Ionizing Air Nozzles every 8 seconds in a cycling operation.

While the cottle internals are subjected to injection cycles of ionized air, hot water, normal air, and ionized air, the external surfaces of the containers are also subjected to a cleaning process.

Several mar,1 folds, containing spray nozzles are attached to top on the enclosure.

Six of these sprayers provide a continuous injection of hot water (140'F) to the exterr.al surfaces as the containers continue through the washing. Two of the spray manifolds, both of which have a 3M Model 908 fonizing Air Nozzle installed immediately upstream of the spargers, provide continuous injection of ionized air over the bottles before they cmerge from the washer.

After leaving the washer, the bottles are turned to the upright position and conveyed to a clean room.

In the clean room the bottles are filled with the desired product and capped.

The capping machine uses a single 3M Model 908 Ionizing Air Nozzle, which is continuously operated to blow ionized air on the caps prior to insertion on the bottles.

Following, the bottles are automatically labelled and packaged for distribution as previously described.

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l Appendix 6 Evaluation of Compressed Air Systems

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. Appendix 6 1

A.

Introduction Ashland Chemical Company utilizes an industrial compressed air system (Fig-1) in the packaging process of various chemicals and for various auxiliary purposes.

Specifically, compressed air from this system is used to flow through ionizing air nozzles (3M Model 908) to eliminate static electricity and remove particulates from containers prior to being filled with chemicals for distribution.

Radiological surveys performed by the AIT indicated high levels of contamination in the vicinity of the fourteen Model 908 ionizing air nozzles installed in the Cozzoli washer.

Consequently, the compressor system used to operate those units was examined to determine if it may have contributed to the apparent leakage from the nozzles.

A 60 horsepower, 120 scfm Ingersoll Rand (IR-60) compressor is used to provide plant service air, including air to the fourteen ionizing air nozzles installed on the Cozzoli washer. The compressor functions with a receiver tank and Van air dryer system, and is connected to an existing service air system through a normally closed cross-tie valve. A smaller compressor is used to maintain pressure on the system whenever the IR-60 is shutdown.

About 250 feet of carbon steel pipe connects the compressor to the stainless steel piping of the Cozzoli washer.

During operations, air pressure at the compressor is about 120 psig.

The pressure at the ionizing air nozzles installed in the Cozzoli washer is about 90 psig.

In March 1987, a Pall air dryer was added to the air system in order to provide a dry air supply for proper operation of the level indication system at various chemical storage tanks located at the facility.

B.

Inspection of the Compressed Air Systems The inspection of Ashland's compressed air system was accomplished by interviews of personnel, review of pertinent records, and observation of the hardware and equipment.

On January 19, 1988, two.1spectors performed an in-depth review and walkdown of the compressed air system.

The inspec-tors were accompanied by Mr. Lawrence Opthof, the Plant Engineer, who prepared the system for inspection.

Durirg this inspection, selected system air filters were removed for examination as well as a header pipe cap at a tee connection located near the IR-60 air compressor.

The compressed air system filters selected for I

inspection were located at the Cozzoli washer and at the chemical storage tank level indicators.

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Appendix 6 2

One of the two filters removed from the Cozzoli washer was found to contain about 60 cubic centimeters (cc) of a fine, tan-colored powdered material.

Similar material was also found beyond the filter as a thin coating on the inside of the system's stainless steel piping. A swab sample inside the stainless steel tubing that connected the ionizing air nozzles to the Cozzoli washer also had the same coating of this material.

A two-inch pipe cap was removed from a tee connection in the ' eader from the IR-60 (Fig-1). Again about 20 cc of a fine, tan-c'.ored pcwdered material was discovered inside the pipe cap.

Samples ;f this material were collected for analyses. The sample analyses, performed by Ashland chemical analysis personnel, indicated the following composition:

Aluminum ~ 25%

Iron

~ 4.3%

Calcium ~ 0.05%

Magnesium ~ 0.02%

Copper

~ 0.04%

The remainder of the material was not identified, however chis composition is similar to the desiccant material used in compressor air dryers. Other compressed air filter and piping systems do7nstream of the filt2r appeared clean upon visual examination. However, at the chemical storage tank area, the filter housing was disassembled and no filter eierent was found to be installed.

On February 5,1988, further compressor system examination was performed by an NRC inspector with Mr. Lewis Schaumleffel and Mr. Jack Kaltenback of the Ashland Chemtcal Company, and with Mr. E.

I.,

Harker, President of Harker Associates Inc., Englewood, Florida, a consultant employed by Ashland to provide review of the compre, sed air system.

In this effort, the inspector witnessed the disassembly of the filter housing after the Pall air dryer.

This filter housing and filter media were found to be clean, with only a slight covering of dust on the inlet side of the filter.

The outlet side appeared to be clean.

The inspector witnessed the disassembly of each filtar housing, before and after the Van air dryer.

Filter elements were not found in any of these filter housings.

The after-filter housing was found to ccntain drying media (desiccant) from the Van air dryer. Additionally, the filter housing before the dryer was found to contair a layer of dark sludge.

In support of this examination, the inspector was unable to find any recor d that indicated that filter elemants were ever installed at these locations.

Samples of the material at both these locations were obtained and subsequently analyzed.

The results indicated that the composition of the material was about 50% aluminum and 8% iron; the remainder was riot identified.

The licensee's rer sentatives indicated that this material was probably desiccant from the air dryer.

Appendix 6 3

In addition to these findings, the following was also noted:

1.

No procedures exist for the operation and preventative maintenance of the compressed air system.

2.

The compressed air system air drying media has never been replaced in any of the air dryers associated with the IR-60 compressor.

The Van air dryer has been in operation over two years.

3.

No procedures exist for verifying or replacing any filters in the compressed air system.

4.

The work station located in Building No. 16 is not equipped with any filter media.

The air hose connection is located at the low point in the system. Water was observed to flow from the air line when initially operated by the inspector.

5.

Since there were no filter elements installed before and after the Van air dryer, the drying media escaped the Van air dryer and apparently has been carried through the compressed air system piping to the Cozzoli washer.

D.

Conclusion The inspector concluded that the compressed air system used at the Ashland Chemical plant is a standard industrial air supply system. However, the Ashland Chemical

• Company does not have a preventative maintenance or operation program that assures and maintains dry, contamination-free industrial compressed air.

It is possible, but not conclusive, that moisture and foreign material introduced by the compressor system could have contributed to, or accelerated, the failure of the ionizing air nozzles used at rne Cozzoli washer automated system and individual work stations.

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Appendix 7 Organization of Ashland Chemical Company

Appendix 7 Organization of Ashland Chemical Company Ashland Chemical is one of six division of Ashland 011, Incorporated. Mr. J. A.

Brothers is the president and CEO of Ashland Chemical. Ashland Chemical has nine divisions, one of which is the Electronics and Laboratory Products Division.

Mr. J. Duquin is the Vice-President and General Manager for this Division.

He reports to Mr. Brothers through Mr. D. Coticchia, Group Vice-President, and Mr. D. D'Antoni, Executive Vice-President.

There tre three manufacturing facilities which are part of the Electronics and Laboratory Products Division and which are managed by Mr. G. Drab. One of these facilities is the Easton facility which is managed by Mr. D. String, the Plant Manager. The other two facilities in this Division are located in Dallas, Texas and Newark, California.

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4 Appendix 8 3M Static Eliminator Registration Sheet for 783 Series

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SEALED SOURCES M.snufsecurer Distributor Minnesota Mining & Mfg. Company Same Usa Isotoca(s)

Model d S ta tic Polonium 210 7BS series Elimination Series 7B8 sources are designed to be used in static elimination applications.

They are used for elimination of static fras web type products such as textiles, paper, capt; balance bars; etc.

The Polonium is encapsulated in the Minnesota Mining brand of ceramic microspheres. The microspheres are bound to the substrate, nor= ally aluminum, by means of a radiation resistant organic binder. Activity en the foil will be up to 10 millicuries per square centi =eter of activity area. Total activity of the source will depend upon the need of the customer end the length of the source. The source is nor= ally placed in a tray for mounting purposes. The tray or housing will vary in si:e and shape depending upon customer needs. Housing provides protection against abrasions of the foil and maintains rigidity.

1 The housing is labeled wich the following: "Caution, Radioactive Material,"

Radi.ition Synbol XXX me Po-210, date, 3M Model XXXX.

The designation 7B8 is of a series of eliminators. A fourth digit will be 4

affixed to the model nu=bar which will identify a particular type of usage.

The sources have been extensively testsd to establish integrity. Each is inspected prior to transfer.

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1 May 3, 1963 I

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0 Appendix 9 Cross-Sectional Views of 3M Model 908 Ionizing Air Nozzle and Diagram of Polonium Microsphere

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Eppendfx10 3M Brand Nuclear Static Eliminatcrs General Instruction Sheet i

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I Please retain this document as your permanent record of receipt of the Nu' lear Static Eliminators.

c 3M Brand Nuclear Static Eliminators General instruction Sheet 3M Brand Static Eliminators are one of the most effi-a) Ambient temperature in excess of 200*F ci:nt devices availab'e for the elimination of static b) Solvents of any kind, including water electricity. Since their ability to eliminate static c) Mineral acids or caustics charge comes from a nuclear material, Polonium d) Constant vibration or physical Impact 210, they do not require electrical power.

e) Flying abrasive matter f) Direct contact with steam The nuclear element in this device emits alpha radia-tion. Alpha particles have such a low penetrating

3. See also NRC Reguations included herewith, ability,they will not penetrate a thin sheet of paper.

No special handling is required since the isotope is installation Static Bars permanently caged in 3M Brand Radiating Mic-(203,204,205,206,210,220,315) rospheres. These are then housed sufficiently to The most effective ionization distance is approx-make contact difficult under normal use-imately 1" from the screened surface of the nuclear component of the device,and the device should be Th2 above information is not meant to imply these devices are a cure-all; although, they are designed t a ze at t s di a e'

to reduce the static charge to negligible levels. The actuallevel to whic,h the static charge is reduced Because of the wide range of application, mounting depends upon the individual application.

brackets are not provided except for the 206,210, and 315. Mounting holes that take a %" bolt are Special Precautions p; aced at the ends of the housing of these devices.

1. In case a static eliminator has been rubjected t3 fire or other catastrophe or has been lost or The proper positioning of Model 203 and 205, which stolen, please notify Static Control Systems /3M are used exclusively in film cleaners, is automaticali, immediately by telephone (collect). The tele-taken care of by following the instruction sheet for '

phone number is (612) 633-9420. Ask for the the appropriateiimMe3ner.

Regulatory Affairs Manager (or someone desig-nated by him). We will advise you relative to Positioning of the device must be determined for reporting the Incident to the proper authorities each application. In most cases the device should when required.

be placed over the sheet or web at a point where removal of the static charge will eliminate the pro-

2. Although these devices are designed to retaln blem caused by the charge. This is generally deter-their Integrity under normal industrial operating mined by trial and error. In most instances a unit on conditions, they could be damaged if subjected one side of a sheet or web will remove the static t3 cxtreme environmental conditions. These de-charge from both surfaces, There are, however, victs should not be used in the following envir-some cases where this does not take place and a onments. If there are any questions regarding device must be used on each side.

your application please contact your local Static Anatyst or Static Control Systems /3M.

These units are not fully effective when placed over a point where the charged sheet or web is in contact Cleaning Of Nuclear Static Ellminators with another surface. Most effective neutralization of Since the penetrating abilMy of the alpha particle static electricity takes place when the materialis is so slight, a costing of dust or dirt over the suspended in free space, device will adversely affect the operation. To prevent this, it le suggested that whenever poe-These units must be grounded.

sible the unit should be mounted face down.

Should the determination of the magnitude of the Should the device become dirty it mey be cleaned static charge be desired, it is best accomplished by by blowing off with compressed air. Under no using a commercially available static meter (such as circumstances is a solvent of any type (including 3M Model 703).

water) to be used to clean a static eliminator, if compressed air will not clean the device, it must Special Note For Model 315. For proper operation of the '315" it is necessary that the induction compo-nent of the device be "upstream" tiom the nuclear Attempts to clean a device by use of solvents, component; that is, the charged material must pass steam, water, detergents or cleaning solutions the induction component prior to passing the nuclear may cause damage to the nuclear source and component. There is an arrow on the label of this release a radioactive material.

device indicating the proper direction of web move-ment. The bar should be positioned as above with NRC Regulations the needle tips located %" from the web.

You automatically become a GENERAL LICEN-SEE when you receive a 3M Brand Static EllmF installation Compressed Air Devices nator. NRC REGULATIONS are inserted in these (902, 902 F, 906, 908) instructions. The use of the device in an Agree-These devices require no installation except con-ment State is regulated under requirements sub-nection to a source of compressed air. Because stantially the same as these.

ionized air rapidF/ recombines, particularly under compressed conditions, the static eliminator must it is your responsibility to road, understand and be placed at the end of the compressed air line so abide by these regulations. Any questions regard-that the distance from the static eliminator to the ing them can be referred to the Regulatory Affairs object to be neutralized is minimal.

Manager (6t2 633 9420) or his designee.

RECORD THE SERIAL NUMBER, MODEL NUM-A coating of water or oil over the nuclear source will BER, PO 210 CONTENT, AND THE DATE YOU decrease the efficiency of the static eliminator. It is RECEIVED THE DEVICE (SEE NEXT PAGE).

often wise to install an air filter prior to the static RECORD THE DATE RETURNED WHEN YOU eliminator to prevent this problem by removing dust, RETURN YOUR DEVICES TO 3M.

water, or oil droplets from the air.

Installation Blown Air Devices (905, 907,909)

These devices require no installation other than the connection to a source of air (907), such as a pres-sure blower, or a 110 voit electrical outlet (905, 909).

Model Po'" Content Date Date Returned Serial No.

Number (millicuries)

Received To 3M N:te: All of the above devices have been leek tested as of manufacture date and allleak tests have shown less than 0.0001 microcuries of removable activity.

Additional leak tests are required after 13 months. Returning the device (s) to 3M within the lease period will tako care of this obligation for you, Failure to return the devices in a timely manner may result in your com-pany being in violation of Federal and/or State regulations.

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(3) A sta'emelf W Chectost.on or pictabre 4&Cc6> tion of the arenaed mater ai e,ched Parts 31 throwgh 35 of tNa chaceer. egewding gests of M A% hon erDome.res to end<vidwas tecwensta9Ces under en th lee e sDce#es otC wered tal SyWodwet materal.

a and the (a1eN of remma-e maJtrd to persons ari enrestncted tre,estSI A etttB *8teEA heve teea tatem or ed te takeet to recee the ma'ena' 49d (b) f aC*tes ehe ein pypro$act,,gsterol e Wtikied Dr glored' C

iC) Reest@n de'octaon er,d mondo,med a Connectson==t',Itus w e61 Procedures or measw es e%ch m nrug anstrumenta and Pte It4s Ur 1%e84 d etereed ma'ena! eet twea or edi to 6Jopted to prevent a secuaence of e

idi CM**r powtmoet and desces prodwCe malenal oct Sudeoowent to % the erwies e, port the hee %ee shas etso report aan twostani,e Ias PW t W t ett addecnaf eMor~tgm on the ICsa or the t eh r

Ost's a*1er he lea"e of hAch elcamation CM teCCwhes avadabHg to l%e igensee e4Nn M

$ M $1 blodifcalaon and revocaten of 1,cenegg tap The seama sad Con @isong of ea edt Any reoort ' erd *** t** Comsacn owrsvant to the sect.on shalt te so pepared mat and Paes 31 theowgm 35 ce tNs cha,ch teen,ee ogwed pu,hert' 50 t,*e rogdatore e ttwo pan A48nes of in@v, duce esto shay have feCewed esg<egre le re.$aten are stated e a gepe are er wins to swtwCs to amendment revenon or mode s c

lion py reason Of am,we go,ents to tre aCS Or by fesson W rgeet igwhatens attd Orders Gewed endm pa4 of me re004 ei accorgegce..gh ais of the Act 1416 hoeoers d an oce,atssg hcense 6, a nocitar Dewer peamt t*e events nCivded in (bt Any htaate rmay to revoneCL an.ecended or modrfae4 in ehose or m cert lot art pero 7 &Dn (El of f%e,e %g,,st,te '# 1o,r'ed,st 4 c,ap pr 3 d ~s d,e,c,te e,ith the s,wot,e,du,res de,ed ed en secten mw a accor r

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Dereg'8DM tb) W IPut actsc.n iveets regioMed a gcorgerge egh g $O F3 of qmq chag4,, need record or sneDection Or Other theant seuch eOJG serrant the COMmetaan so refwee to grang a not be reponed by a skesitate repoM unoev persyggn Ibi Of tNs seClon 6Cen6e on na omgarial acchCatEWL O' lor esotetson Cf Or faawre to oteen e appy Of tre torne pnd 0 MO3 Nofd'nor*e 'asca (Cadealt 8

Ca CF S 0 irt r

acn leceasee sha smme4iate*y reocri say evemts w*vopving by-prorecre of the ACf or of any rete reqMetion or ceoer of Pee Comman6 aort Y ) 8Ptme@4ee c

n prodwCt bow CA W EMCasi nwCiear mater # pcssessed by tre setentee that may have Cawsed 4Cl f acept m caset of welwertees or ytces m eksch P4 putret heefft\\ miereel or seie'y r

rouwsts ef hee **as no hComte tha,g ggggg g,Ihed ev,cq, ended Or re,vok,e t to mod ap Of IPW seleng tg gegee ygggggg,gn gt g,ggggg,gg gpggggg ggygg 9,,

ggy gg s ecgeg epgg (1)(*Phe Cd ett uenose body Of s9y edwedwas to 25 rems or more of redeten esposure of teen Caned to the ariention of the scene e eiirreeg and Pte tacensee ehem Peve been et-Pts 96* d pte wrcio tacOy C# any mOnidwai Cf I60 reme a more of reo.af.on ear esposae of Ctroeo se opportwnsty to deatonsf rene or ediese comosence ureth on tese s cogweements Phe Iset erotet heruns or toreams of any at$,uhai to 37S roms or more of raSaton es u

% 30 43 Right to tasse the wehhoanng ce pecas of DtStedvet matemat it) The reesse af rarinet..

maic+ e Conteaustere eh.cs e averaged ove, a penod w the Commason mar Cawne ye sehhtesng or rocas a trypredet matwearom say womase 24 hnwrt towed eaceed S 000 tees t% bmits erecd.ed tot swch matenais sa Accerichs b f aD6e 80 O the part or e*to as not sourced to oceerve or taas to cheerve swCh setety standaros to grotect hoesth as wey to estatashed by the Commraascn er wru, wees sweh matense in vocaahon of lee or 136 A IC43 W oM eortstg eeet or shore of me operehoe cf 89 t

7 aC 8*t'es secte$ Or lla D48*aQ0 lo PQCer*y se estess of $200 XO

'egwtaton of the Com" WCW\\ or e a manter geher (nam 33 $scicoed an the 40C8Calen l

the'etcwe or SDC*ored Dy the Commensaon l@4 IreHP bwe howe 8tCMCatioA f aCM Me%ee Pad mirNa 2a Ptou s of 0.scovery of #*,

j 3C33 Voodalcan r

e=M anoa cay e.eM e.Caes <er sed *a e 4 posseued t, W we%ee t%t es, %.e An enracica or cfhe' Cown orce* may to obtained pron curengaay veiston of any pason

4wsed Or threa'ere la Casse i l(spo6#e 43 Pe estoe tody of aey ed'viowF 10 $ rems or morg o resp.on espegw e og of the AJCW'uC I re'gy ACI Of 1954 as asnenosq1 or iao at cd the Energy Reagawatce Act of l

i$7 e 08 any toQeshon Of erger sawed therewruler a Cowr1 Or$er ma y be ODf amed 9 r

• he she GP the thcne tKaps Of a^y eO ridwar to 30 re* or more of re34Ncin or e80o6v e 01 the 9 the ser Peat Of a C=8 Cenaity eposed gne suant le seC1 eon 2}a gf the Act for ecsalaDn of tecteOn $3 r

r

'eet amtet ha90s or acrea'*s to ?$ rees or snore of esoama or SF 62 63 81 82 101.103 104 107. Or 100 of the Act or section 206 of the (norgy (2) The hegas d reduc.ect..e s* ate'S e Cteceatrettes ehuch d averaged Ovet a peric4 of Reorganaatson Act Of i97a er any Mae regwenhtwi or orced itsved the'ewnder er any terrn.

M hCnFs mov 3 esteed SCC te e s the be'ts afeC#ed tot suc h **s'er.a's ** a,^te$o s J f abit CC*04'o9 o' b*daho* Of aay Weese mswed therew cef. or for any veosahon Bor ehech a tutensa e

r I Cf th8s Dad 08 831 & 4C48 Of One day or score of gr.e coteaborn Of amtfaceiles a#eCled Cr 8has te 'ewC*ed u de* section t 56 W the Act Any gerson who eeptwo, emaieg any provgen Of n

edi Damage to orw, an e cess of 42 000 Pe Act De say tegeahon or Oros* aat,apd therewnoer may te Safty Of a Creme gN1 upon Cor5wic-6Ci Aey reCOM hoc ee the Comm'ason D#se,aat to tNs sect <* seda te tvepared so that w ma, te owmsmed by tee or acreanment cw both as provided by see 4*tes Of indswedwals **O have recemed esposw e to reeahce wie te stated in a segergie peg t 31 S C4Mae measonr9 gewg'ag or Contronung Orecet e

tal A 9eerst hC ente es hereDy Santed te Cafstfterteel and endwelrtal firma artd researC%

C IPe report educatamaa and meOtal esf ewteont endsrunwee m the condwC1 Of theer DwSarest and F pdorat d'i1 A80 oms maoe by lure ^ sees e response 10 tre feQwe'esnerbts Of tNs section 8hwer te maoe

$are or locps goint<mehent agecces to acgwee rece*re possesk woe Or Wartefet art acCacarte OICAces ada the Droes@r6s Of ill LC@noets Ma* hewe sa

• stated (meegency hotACpen $wstem sAan maae the regnes Da'&@ aras ib! IC) and 141 Cf the sec1CW Dyprodwet ntatenal con 8amed in dew es Oesq^ed and manwie,:1#ed tw Pe gnagKee of Oetecterg measunft pQwWed pat 378Cets + and:De Of INS setfee to the hmC OCerahces Cemer e actorsance pos.ng m arets ocasey 9, t euedace accahon essahort leanage or owa$ gavgvg of Cor*

.dm t 60 2 Of the Chacne' astat=e Or evereda (21 AB Ot**' tice9 sees Shah 8* ate the rescrts 'eQue'ed by par agraphs is) 4%d tDi of the set twe the*<ai Corhoos.t. ort or not oroduceg hght CN aA geringgd atmosgeere Iba Ihe genetai hC ease e paragragh tal Cd thG seCledn 3D[aes omfy to Dypo$ct materied on by feeceore ag De setegrani srwegram or lacs*=* to the Adrheest'alor Of INp aggy Contamed an OrwC es ehrh have teen mangAatsweed Or artrinaey Wansserred ard lateesd e mate IvRC Re2cnes Once asied in AoCeroi o or two pe,1 3 30 34 fe ms and C4eoeces of scentes accercanc e esa the sooC A4 tor a C4raseed e a specWc wonee isawed garsuant t0 4 32 61 e, an Apwm'enf Stare eh ch ashweres oseWson of the devices to persore 9ererse tal (3Ch luCesee 48ued Dwrsva91 t ) the rep,tator's an f%s pa6 arid IPe regwlaboris e Pans i0 JS ane8 De sedburC1 to as tke prowsaces or tre Act hoe er he'es'ler an ettect and to at syd bCeased Dv the Ag'#e'hont State istes regslat:ons are creers of the Com %ssen sen too hcease ma6ed ce gramed ou swam to we reewiatwo in this gaa ed Peas 3 I 35 h ICI AAy person who acowret recoget possesses woes or eenefers bygro$act materel et a r

oewe oweswam,so eme Orq<a4 acease e peragroch m of tems section in7 reger) wnoer a eg er.ne ghaal te trans' erred assqmed ca et say manner esCosed of edhe, er itiShau455# We' sa latets 4*ha pd to the dewte at the tehe Ed rece@f Bad Deareig a stale-Otwaterey Or W*eoswatare, esectpy Or ir@

'ersort wness IPW CO*'eaus90a that s'ie'eCily through tractsfer of Cont'ol of aay bCeese to any 8Real that restowel of the httee e Ertettsted are meantamed percort gag that camsdy eth as r secureg hra eraormatort fasd that the transJee e es etWuctions AAd,precaJeore grorided Dy auch becats

<toroa%3 s&h Pte aron %Cas 08 the Act and tha8 give as ConseM *F5 =ebrio 62i She# ass # that the Devt e e tested tor leakage of redoacte.e materned and getver ICI E ACh person aCrused by the Commissen gnphamt to Ike 'egulahoes in ins pa1 and arts Ji 35 Lhas C4rere n.: cessessoa and wse o rae t rpoduct maler.a' to tM totences Otef ahon Cd Pie On# *echenes* aid educatG 8 3*y at ft0 longer them gna-mceth eilervsla Cr r

W swCh o'^e' eieta.s as are scocded ei tre asces however.

.ad purpcmes aumweed e the hcease E scecs as Otherwise savv= Sed e the wease a hcense, 43 oe*ces Conta.aing crisy trypeon need nos to tested for nessage of reducectare mater

• sad

'sesed thvheamt le lhe 'eistulahons en ins ps'1 and Parts 3 t 16 of the CPapse'skaa C4a'v e tm

(*e oevices Conta aw=g onst esta,esi or siot mese Epee 100 seistrotwnes cd cret tota enorcs 4 Fught 50 Dece90 ac4>ae oer, aM D3ssess DyCroduct 8% ele *ial Peco4*aisce f or SNomeM 98"Wha em' Meg metow or 10 #a Crocwes W M6ee emsning autow and oevices head e 9d tre8'4CCrt of 81*04sc18ha'eriar s*al be

• actor $4 rte edh the orow4Cas 08 Pa9 ? I of the 88042' * "'8 0"geal SNC@ng Contamer phor 90 an8 dial snelallahon theed 7t00 te te6'ed tar Say hapler Eh8'VOS8 448 E tell luciate Gewed EsrswaN to f*e 'egw atens in the guai and Pads 3 3 3S shan to a3r Shaa ass #e that the tests rooveed Dy peregraoh 4Cn21 of tNs section ord cGher testag a

ee*hed to Conia* IPe g*ortsons set todh sa settson 1 Mb O arCivs*G 08 the Act whethe* cr estehat sh*'e*ae'on servicv4 a,id 4840 sat team snstasaison e*vo8cng the f aecect8ve as these pro sono are earnesuv wiIcm e m hCese of comaa"* s a'e ce orned n

tel The Comme 4<es she, entorporsie s i any hremse essued pu gwant to the regusalaces wi tNs f*i aCCor$4are ee'n me ierreactaore prowtled by the lates or r

$ arid I"s9s 3 5 JS al l'ae 1*e 0 4swe't e Or I*e'ea'ter try arTwCce4re tw$e re9selen or 8"3 DT 8 f*'*** hcdo^g a scec.'c hcease smas'want to Peas X and 32 of Ihe CP4ces-or kom 8

os s,ca a36tena 'eg,eements a%d ccaoles adh rescect to Irwe * *r'see s **<ec 8* '7"a""' eat Sta'e to se cem such eceeses a

MnesseC8'i see &me t' east at cd tyce aduct mate %4.13 d Oce*s apCW C@rde Dr he< esIma", #

84 bh

• 0#8 a^d 'ic a h cd th4 s'a ret orGs shoe *ng Camsme aim the re'Ossere** eats Cd persg'afAs IC S h der le ect on the recoroa shab sNum the reswRs Cd tests The recCros aSo sha8 tt6040804%the Com**@ Oeiekse and sec# *y thc=e the oa'en o' C990r*4%Ce CW arid the names of sons Ledor8n#Q tes!>^g **si4Ra'OR E4'adoaCI've P4tenal Ws sheldeg str

42) ProteCf hGa"* ar IC 8P #+*54e daNge' to Me or Ew C'Ce"v servic N aM re8% ova' kom r.sta alen Core er*eg IF #r 636 Protect sesintied Sata CO"'3 *#*I toi 3%eQw o swC# 'ecor's s'td the seet=ig of but,* 'eco4. and 10 prMe 80' sn * *scec Ii C O'08 08 4S'8 'O' '8 #9 00 D8 8 ' 8'8T od

o ICn'th4 4 te Peele+e'd 6c"8 o'ie ye'80'ene's'*the"nest reQw ed' beat test ss (ed0r med 08 tod D1 I4#8 ans OfOctmdes w'*or' Fe hcease as *4, te necessaey CW a(CrCIeate to e'ieC hea'e tre tv r

ar v

nld IPe

.ges Of tRe &ct Sato 'eg6ma'Ces the tw'50e, teaed Wte +s Iraes't"ed 08 0 scosed of RecorOs of tests 44 the on oM reecha Asm aid mE com0S. ituSPECTIOtus it STS. atuD mg pomTS

,,,ds,. a'cp,,,,,,,3 i,'ed,,b,y te'ayat m i,t s2r of les sec,tch sha*1 to 8ha ntaeed tor one year s'ier the e

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n Appendix 11---

Chronology Details O

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[ Appendix 11 1

CHRONOLOGY DETAILS 1983 i

October Static Eliminator lease Agreement for three 3M Model-908 ionizing air nozzles was signed. A 3M Static Analyst provided a document to Ashland indicating that the environmental conditions will be acceptable for the ionizing air nozzlas. Ashland personnel have told the AIT that the Static Analyst had not visited the Easton 1

facility prior to this certification being made.

November Three ionizing air nozzles shipped by 3M to Ashland Easton Facility. Ashland Chemical received these items for use in I

Building 16 of the Easton facility.

Two were used and one was put into storage.

p i

1984 November Ionizing air nozzles were exchanged between 3M and Ashland's f

Easton facility. No report describing the results of leak-l testing for the returned nozzles was provided by 3M to Ashland.

1935 March Fourteen Ionizing air nozzles were shipped by 3M to Cozzoli Machine Company, Plainfield, New Jersey for use on Cozzoli Washer / Dryer, Model W/0-103, to be supplied to Ashland's Easton facility.

June The Cozzoli bottle washer, with fourteen 3M tonizing air nozzles was installed in Building 9.

One additional ionizing air nozzle was installed in clean capping room in Building 9.

Summer Cczzoli machine is performance-tested by Ashland.

September Ashland began routine use of the Cozzoli bottle washing machine with ionizing air nozzles.

November Ionizing air nozzles were exchanged by Ashland's Easton l

facility and 3M. No report describing the results of 1

leak-testing for the returned nozzles was provided by 3M to Ashland.

i<

Appendix 11 2

1986 March Ionizing air nozzles were exchanged by Ashland Easton facility and 3M.

The nozzles exchanged included those from the Cozzoli machine. No report describing the results of leak-testing for the returned nozzles was provided by 3M to Ashland.

November Ionizing air nozzles exchanged by 3M and the Ashland's Easton facility. No report describing the results of leak-testing for the returned nozzles was provided by 3M to Ashland.

1937 March Ionizing air nozzles were exchanged by 3M and the Ashlands Easton facility.

The exchanged nozzles included those from the Cozzoli machine.

April A Field Service Engineer for 3M informed Ashland Chemical that "higher-than-normal" contamination levels had been found on the ionizing air nozzles which had been returned.

No specific results were provided to Ashland.

The Field Service Engineer informed Ashland that he wanted to inspect the installation of these nozzles on the Cozzoli washer / dryer because the contamination had been observed on all of the returned nozzles.

In addition, the Field Service Engineer told the AIT that 3M records indicated that devices returned by Ashland to 3M in 1986 were classified by 3M as "damaged".

May 29-30 The Field Service Engineer for 3M visited Ashland Chemical's Easton facility to inspect the installation of the ionizing air nozzles.

He performed surveys and found contamination on some of the devices and one spot on the floor, He decontaminated the spot on the floor and the devices.

He also removed several "end caps" from the nozzles which could not be decontaminated and returned them to 3M.

These i

caps are small extenders which are attached to the ionizing air nozzles to shape the air flow.

The caps were replaced by Ashland.

The Field Service Engineer did not identify problems with the Cozzoli machine, the associated compressed air system, the application or environment.

June The Field Service Engineer for 3M contacted Ashland and informed them that the "end caps" could not be decontaminated and that 3M would dispose of them.

August 10 A representative of IBM, a customer of Ashland Chemical Company, contacted the Easton facility with questions regarding the analysis of Ashland's products for alpha emitters.

Sept. 11 IBM personnel from East Fishkill, New York visited Ashland's Easton facility and discussed their concerns about possible radioactive contamination in Ashland's products affecting IBM semiconductors.

Appendix 11 3

l October 6 IBM sent a letter to Ashland requesting that polonium-210 tonizers not be used on chemicals shipped to IBM.

October 16 Ashland sent IBM a list of chemicals which are packaged in containers exposed to ionizers.

October /

plant Manager at Ashland's Easton Iscility reported occasional November contacts with IBM regarding the problem of identifying potential sources of radionuclides in its prodvets. Ashland informed IBM that the ionizers were still being used for container preparation.

November Ionizing air nozzles for exchange were shipped from 3M and arrived at Ashland's Easton facility.

The devices were installed.

December 11 Ashland perso nel travel to IBM's facility in East Fishkill, New York to discuss, among other items, IBM's concerns about possible alpha contamination of Ashland's chemical products.

December 17 IBM informed Ashland that polonium-210 contamination was detected in sulfuric acid and that, consequently, IBM would not purchase products from the Ashland's automatic bottling line, since this line used the polonium-210 ionizing air nozzles in the Cozzoli wa sher / dryer. Ashland contacted the 3M company regarding this matter.

3M suggested that Ashland, 3M, and IBM meet to discuss the source of the radioactive contamination. This meeting did not occur.

Decembtr 18 Ashland Chtmical sent a letter to IBM indicating that Ashland would supply chemicals to IBM without using ionizers for i

package / container preparation.

j December 29/30 IBM informed Ashland that IBM is certain that polonium-210 is the source of the alpha activity in Ashland's chemicals.

IBM also indicated that they have been in contact with the 3M marketing office in Austin, Texas about the 3M ionizers.

IBM indicated that polonium-210 appears to be the source of the alpha activity identified in sulfuric acid at IBM, and that nitric and hydrochloric acids were also suspected of 2

being contaminated with alpha emitters.

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Appendix 11 4

1988 January 6 In an effort to determine if chemical product quality could be maintained without the 3M fonizers, the lower twelve devices were removed from the Cozzoli machine and placed in storage.

January 13 The upper two nozzle devices were removed from the Cozzoli machine.

January 19 IBM contacted Ashland and indicated that IBM desired to perform a radiological survey at the Easton facility. Ashland approved this request.

January 21 IBM representatives performed radiological survey at Ashland Chemical Easton facility and identified alpha contamination in and around the Cozzoli bottle-washing machine.

1 Appendfx 12 IBM Survey of Ashland Chemical Company's Easton Pennsylvania Facility I

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Appendix 13 Initial Augmented Inspection Team Survey Results at Ashland Chemical Company 1

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P Appendix 13 1

Survey Results Building 9 Survey Data Between January 22 and 26, 1988, several entries were made into Building 9 which houses the Cozzoli washer.

These entries were made to characterize the extent of radioactive contamination in the building and to examine the ionizing air nozzles in the bottle washing and capping machines.

Surveys of the floor were made with a Ludlum 60 alpha survey meter and a Ludlum alpha survey floor monitor.

Fifteen contaminated areas on the floor of the main building were identified as being radioactively contaminated, with contaminetton ranging from 5,000 to 60,000 dpm.

Surveys were also made in the clean capping room.

Eighteen areas on the floor were identified as being contaminated with activity ranging from 2,000 to 70,000 dpm.

The inspectors noted that these areas could be readily decontaminated by applying a piece of tape to the floor and then removing the tape to pick up the contamination.

The single ionizing air nozzle in the clean capping machine was examined by NRC inspectors.

The inspectors noticed some evidence of corrosion on the device.

Wipe samples from the exterior of the device and its enclosure were collected as well as a swab sample.

No detectable activity was found during the analysis of these samples.

The bottle washing machine was examined and wipe and swab samples were collected from the machine.

Results of analysis of these samples ranged between 8,000 and 90,000 dpm.

The fourteen ionizing air nozzles that had been installed in the bottle-washing machine were examined.

The devices had been previcusly removed from the Cozzoli machine between January 6 and 13, 1988.

The devices were found together in a box so the likelihood of cross-contamination was high.

Composite wipe samples were collected from the exterior of tha devices tc establish a general level of external contamination.

The analysis of the four wipe samples indicated con-tamination levels between 1,803 and 4,327 dpm.

Swab samples were collected from each of the fourteen nozzles.

Analysis of these wipes indicated radioactive contamination levels between 613 and 4987 dpm.

The 3M personnel at the Ashland f:cility examined the fourteen ;ctitzing air nozzles in the presence of AIT members.

The examination included a visual inspection of the interior of each device and a "tap" test.

During this test, a length of tape was affixed to each end of the device and the device was struck lightly onto an unyielding surface.

The tape was then removed and surveyed for dislodged radioactive material.

The results of the tap tests indicated that most of the devices showed some evidence of failure.

Surveys of the roof of building 9 provided no evidence that radioactive material had been released from the building exhaust stack. Analysis of high volume air samples in building 9 revealed no detectable airborne radioactivity attributable to Po-210.

l 1

Appendix 13 2

~

A variety of other samples were collected to characterize the contamination in Building 9.

The samples were analyzed by the Idaho Falls National Engineering Laboratory (INEL).

These samples included samples from the building's central vacuum cleaning system, floor drains adjacent to the bottle-washer, the facility storm sewer, and the outfall sampling station.

Analysis of a sample of material from the building's central vacuum cleaning system indicated the presence of approximately 70 dpm of gross alpha activity per gram of sample.

This contamination, probably from floor-cleaning by the licensee, and did not represent a serious safety hazard.

A water sample was collected from a floor drain adjacent to the automatic bottle washing machine in building 9.

A 100 mi sample was passed through a filter.

The filtrate was found to contain 10 pCi/l of polonium-210. Analysis of the filter revealed 354 pCi/l of gross alpha activity.

The Cozzoli bottle washing machine discharge is diverted via the facility storm sewer directly to the Lehigh River.

A sample of silt and water was collected from the outfall. Analysis of a 100 ml aliquot of the sample, including suspended solids. was counted and was found to contain 135 pCi/l of Po-210.

A series of daily water samples were collected from the licensee's outfall sampling location and were analyzed.

The results of the analyses revealed 3.2 to 11 pC1/1 of polonium-210.

The NRC limits for discharges of polonium-210 to the environment (as specified in 10 CFR 20, Appendix B, Table II, Column 2) are 700 pCi/l for polonium in soluble form and 30,000 pC1/1 for polonium in insoluble form.

Because the polonium is likely to be in the form of microspheres, the insoluble limit is applicable.

The samples collected appear to indicate that this limit is not currently being exceeded.

Swab surveys of ionizing air nozzles used on the Cozzoli Washer 3M serial no.

Sample Result (dp:n) not legible 613 not legible MDA D74401 1,062 D74402 1,085 074403 981 not legible 1,022 064602 4,415 074404 1,553 074408 MDA 074409 MDA not legible 4,987 D74399 MDA 074405 2,371 D74398 4,292 MDA = 468 dpm

Appendix 13 3

The nozzles were found together in a box, so the likelihood of cross-contamina-tion is high.

Composite wipes were made to establish a general level of external

~

contamination. Sample Nos. 1 & 2 represent the composite wipes of four nozzles each.

Sample Nos. 3 & 4 represent the composite wipes of three nozzles each.

Composite Wipe Wipe sample w/ filter paper Sample No.

result (dpm) 1 2,459 2

4,317 3

1,836 4

1,093 Clean Capping Room - Building 9 Sample location Sample Type Sampie Result (dpm)

1. 1 outside metal cover wipe 287

1. 2 inside eastern surface wipe MDA of metal cover

1. 3 inside western surface wipe MDA of metal cover

1. 4 female coupling of 3M cotton swab MDA Model 908 s/n 077430

1. 5 west rail w;pe MDA

1. 6 east rail wipe MDA

1. 7 center rail wipe MDA MDA = 209 dpm i

l

Appendix 13 4

Building 7 Survey Data On January 23, 1988, inspectors entered building 7 to make radiological surveys in the vicinity of three manual bottle filling stations.

Each station is a fume hood in which an ionizing air nozzle was installed.

Surveys were made in the building with a Ludlum Model 60 alpha survey meter and a Ludlum gas flow proportional floor monitor.

These surveys identified five areas of contamination on the floor, ranging from 2,500 dpm to 50,000 dpm. Wipe samples of the exterior of the devices and swab samples from the interior of each of the devices were collected. Analysis of the wipe samples and swab; revealed no detectable activity.

However, a hand-held label maker found in one of the stations was measured to have 9000 dpm of removable alpha activity.

January 25, 1988, another entry was made to examine the condition of the air supply system that provided compressed air to the three ionizing air nozzles.

The 3M personnel onsite accompanied the AIT members and examined the devices concurrently during this entry.

Some evidence of corrosion was found in the air supply lines by the 3M personnel.

Sample Location Sample Type Sample Result (dpm) north hood cotton swab MDA north hood wipe MDA center hood cotton swab MDA center hood wipe MDA south hood cotton swab MDA south hood wipe MOA MDA = 209 dpm

' Appendix 13 5

Building 16 Survey Data On January 25, 1988, an NRC inspector and two 3M representatives entered building 16 to perform radiological surveys and examine the ionizing air nozzle located in the single manual fill station located there.

Exterior wipe and interior swab samples were collected from the nozzle and the device was examined.

Analysis of the swab detected 2,470 dpm of removable. activity from the device nozzle. No detectable activity was found on the wipe sample of the device exterior.

Several areas on the floor were found to have elevated levels of radioactive contamination.

Sample Location Sample Type Sample Result (dpm) ionizer wipe MDA female coupler of cotton swab 2,470 fenizer MDA = 209 dpm l

l

Appendix 13 6

Building 4 Survey Data On January 26, 1988, the licensee advised the inspectors that an ionizing air nozzle had been located in Building 4, the Hydrofluoric Acid Production Building.

The device had been previously reported to 3M as missing.

The device was not in use and was found on top of a neutralizer unit.

The device appeared to be inta-t and the label was legible.

Surveys with a Ludlum 60 alpha survey meter measured approximately 560,000 dpm in the immediate vicinity of the device nozzle. A wipe sample of the exterior of the device and a swab of the device interior of each were collected. No detectable activity was found on the wipe sample. Analysis of the swab sample detected 9,740 dpm.

Sample Location Sample Type Sample Result (dpm) exterior surface wipe MDA of ionizer s/n 066252 female coupling cotton swab 9,740 of ionizer s/n D66252 MDA = 208 dpm

~

Appendix 13 7

AIT Survey Instrumentation Ludlum Floor Monitor Model 12 Gas Proportional Counter Ludlum Model 60 Air Proportional Counter i

Eberline ESP-2 Ratemeter/ Scaler with HP-260 Geiger Counter Probe SPA-3 Sodium Iodide Crystal

'Berthold L12108 Gas Proportional Counter 1

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Appendix 14 Ashland Chemical Company's Decontamination Plan l

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DRCONTAMINATION PLAN I.

Training A.

3M personnel already trained B.

IT/RSL personnel already trained C.

Ashland Employees

- 1/27/88 0800 & 1500 1.

Description of problem a.

What is radiation?

b.

What is it doing here?

c.

How did it spread?

2.

Discussion of Solution a.

Limiting Access b.

Contamination Control c.

Finding Contamination d.

Cleaning it up 3.

Your Responsibility a.

Cooperate with technicians b.

Observe posted rules c.

Participate in monitoring program 4.

The Hazard - What is it doing to me?

a.

Routes of intake b.

Internal vs External c.

Monitoring l

d.

Is it an exposure problem?

5.

Questions II.

Area Decontamination A.

Priorities i

1.

Building 3 2.

Building 4 3.

Maintenance Shop 4.

Truck Garage i

5.

Building 25 l

6.

Building 16 7.

As determined by Ashland Chemical Company I

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Zonal Aproach 1.

Decontaminate areas to release criteria for natural uranium as specified in Regulatory Guide 1.86 or in Guidelines for Decontamination of Facilities and Equipment Prior to Release for Unrestricted Use or Termination of Licenses for Byproduct, Source, or Special Nuclear Material, USNRC, 1987.

(The goal will be zero activity above background levels, no activity to exceed 1,000 dpm per 100 square centimeters removable, 5,000 dpm per 100 square centimeters averaged, and 15,000 dpm per 100 square centimeters maximum subject to applicable footnotes.

2.

In buildings where no contamination previously found, a.

100% survey of accessible floor areas b.

Survey approximately 20% of remainder of floor choosing most likely areas, i.e.,

corners, cracks in floor, periphery of room c.

Duct tape room corners and count tapes d.

Spot check elevated horizontal surfaces e.

Accessible floor drains and neutralization tank.

1)

If no activity above release criteria found, building will be declared clean, complete survey data will be provided to the NRC, access will remain restricted until released by NRC, plant management will be informed.

2)

If activity above release limits found.

a)

Survey will be stopped pending HP Supervisor notification I

b)

Area will be roped off and access controlled c) protective clothing determined d)

Survey will be completed in accordance with directions specified below for contaminated buildings l

3.

Buildings known to be contaminated a.

protective clothing 1)

Areas where single microspheres or localized activity (less than 50,000 dpm) is found -

booties or shoe covers and gloves I'

2)

Known or suspected heavy contamination -

I booties, gloves, coveralls 3)

Respirators as directed by HP supervision 1

}

..r.e.w. y i4RR Page 3 b.

Area will be posted / barricaded, and radiological controls applied, i.e., step off pads / RAM labels, etc. as appropriate Upon completion of decontamination using normal c.

techniques involving the cleaning agents specified in III below, 100% survey of floor and equipment will be performed.

d.

Floor cracks, room corners, jointures of floor and ceiling, floor drains will receive 100%

survey.

1)

If no activity above release criteria found, building will be declared clean, complete survey data will be provided to the NRC, acceec will remain restricted until released by NRC, plant management will be informed.

2)

If activity above release limits found.

a)

Contamination levels will be reported to HP Supervisor b)

Protective clothing requirements will be reevaluated upon confirmation of contamination c)

Decontamination and resurvey will be completed in accordance with directions specified in Item II.B.

3. b, c, and d III.

Cleaning of Contaminar 1.

HEPA Vacuums 2.

Tape 3.

Foam Cleanser 4.

Strippable Coatings 5.

Masslins Wipes 6.

Other (Dry Methods)

IV.

Waste Management 1.

Collected in labeled RAM bags 2.

Waste will be temporarily collected and controlled at entrance to Building 9 behind flaps 3.

Two B-25 boxes are enroute to Ashland and will be the collection point for radioactive waste 4.

Additional B-25's will be obtained if needed 5.

Disposition of waste will be arranged by Ashland and IT Corporation upon completion of all survey and decontamination activities.

All waste will be removed from the site and properly disposed.

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P. age 4 V.

Bioassay 1.

Urinalysis and Fecal Analysis will be performed as deemed neccssary.

2.

The clean up crew, e.g. those involved in cleaning around bottle washing /deionizer devices will submit samples for bioassy.

VI.

Surveys, instrument calibration, air sample results will be reviewed daily by a HP Supervisor.

Walk through facility will be performed twice daily by at least one HP Supervisor to verify that adequate radiological controls are in place.

A copy of all survey results will be provided to the USNRC and other regulatory authorities as necessary.

VII.

An Area Release Checklist will be completed and reviewed by a HP Supervisor and Project Director.

This Checklist will confirm removal of radioactive waste from decontaminated areas.

VIII.

Ashland chemical Co. management will be notified after checklist completed.

~ - ~ ~ ~ ~

Appendix 15 Ashland Chemical Company's Urinalysis Results and Data from Idaho National Engineering Laboratory

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• Random uncertaint'les reported are 1 standeed devletion,1 o. smeN noget$e ard Other results $20 are interpreted by RESL as inct adino "roro or ma not dataccad if app norlate. **simata= of paesihie *v-tr-='ic arrors ara reportars in onamthe,.=

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