ML050110238
| ML050110238 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf, Arkansas Nuclear, River Bend, Waterford  |
| Issue date: | 12/09/2004 |
| From: | Burford F Entergy Operations |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| CNRO-2004-00075 | |
| Download: ML050110238 (50) | |
Text
~Entergy Entergy Operations, Inc.
1340 Ecthlon Parlway Jackson. Mississipp 39213-3298 Tel 601-368-5758 F. G. Burford Actinq Direc'tor Nuclear Safcety S Lironsing CNRO-2004-00075 December 9, 2004 U. S. Nuclear Regulatory Commission Attn.: Document Control Desk Washington, DC 20555-0001
SUBJECT:
Request for Use of Delta Protection, Supplied Air Suits River Bend Station Docket No. 50-458-License No. NPF-47 Arkansas Nuclear One Units I & 2 Docket Nos. 50-313 & 50-368 License Nos. DPR-51 & NPF-6 Grand Gulf Nuclear Station, Unit 1 Docket No. 50-416 License No. NPF-29 Waterford Steam Electric Station, Unit 3 Docket No. 50-382 License No. NPF-38
Dear Sir or Madam:
Entergy Operations, Inc. (Entergy) has Identified the Delta Protection suits as having benefits from a contamination control, heat stress reduction, and respiratory protection point of view.
These suits have not received National Institute for Occupational Safety and Health (NIOSH) approval for use as a respirator in the United States. In addition, pursuant to 10 CFR 20.1703(b), Entergy must request authorization for use of equipment that has not been tested or certified by NIOSH. Pursuant to 10 CFR 20.1705, Entergy must obtain authorization from the Nuclear Regulatory Commission before using assigned protection factors in excess of those specified in Appendix A of 10 CFR 20. Entergy requests authorization to use these suits as respiratory protection equipment and an assigned protection factor of 2000. provides the documentation supporting the request. As described in the enclosure, approval of the request would improve worker safety in areas of airborne radioactivity and high potential for facial/skin contamination from hot particles.
Entergy requests approval of the proposed authorization by August 1, 2005.
Entergy has summarized new commitments related to this request in Attachment 2.
The NRC has approved similar requests in June 2003 for use by the Duke Energy Corporation (TAC Nos. MB7952, MB7953, MB7954, MB7955, MB7956, MB7957, and
- 16. C
CNRO-2004-00075 Page 2 of 4 MB7958). We have recently discussed plans for this request with the NRC based on the precedence of the Duke submittal.
Should you have any questions regarding this submittal, please contact Bill Brice at (601) 368-5076.
Very truly yours, FGBIWBB/bal Attachments:
- 1. Approval Request for Delta Protection Mururoa Enclosed Suits
- 2. List of Regulatory Commitments cc:
(see next page)
CNRO-2004-00075 Page 3 of 4 cc:
Mr. W. A. Eaton (ECH)
Mr. J. P. DeRoy (ECH)
Mr. J. S. Forbes (ANO)
Mr. P. D. Hinnenkamp (RBS)
Mr. J. E. Venable Mr. G. A. Williams Dr. Bruce S. Mallett U. S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011 U.S. Nuclear Regulatory Commission Attn: Mr. Michael K. Webb MS 0-7D1 Washington, DC 20555-0001 U. S. Nuclear Regulatory Commission Attn: Mr. Bhalchandra Vaidya MS 0-7D1 Washington, DC 20555-0001 U. S. Nuclear Regulatory Commission Attn: Mr. Thomas W. Alexion MS 0-7 D1 Washington, DC 20555-0001 U. S. Nuclear Regulatory Commission Attn: Mr. Drew Holland MS 0-7 D1 Washington, DC 20555-0001 U.S. Nuclear Regulatory Commission Attn: Mr. Nageswaran Kalyanam MS 0-7D1 Washington, DC 20555-0001 Mr. T. L. Hoeg, GGNS Senior Resident NRC Senior Resident Inspector P. 0. Box 1050 St. Francisville, LA 70775 NRC Senior Resident Inspector Waterford 3 P.O. Box 822 Killona, LA 70066-0751
CNRO-2004-00075 Page 4 of 4 NRC Senior Resident Inspector Arkansas Nuclear One P.O. Box 310 London, AR 72847 Mr. Brian W. Amy, MD, MHA, MPH Mississippi Department of Health P. 0. Box 1700 Jackson, MS 39215-1700 Wise, Carter, Child & Caraway Attn: J. Smith and D. E. Levanway P.O. Box 651 Jackson, MS 39205 Winston & Strawn Attn: N.S. Reynolds 1400 L Street, NW Washington, DC 20005-3502 American Nuclear Insurers Attn: Library Town Center Suite 300S 29' S. Main Street West Hartford, CT 06107-2445 Louisiana Department of Environmental Quality Office of Environmental Compliance Surveillance Division P. O. Box 4312 Baton Rouge, LA 70821-4312
ATTACHMENT I CNRO-2004-00075 APPROVAL REQUEST FOR DELTA PROTECTION MURUROA ENCLOSED SUITS to CNRO-2004-00075 Page 1 of 7 APPROVAL REQUEST FOR DELTA PROTECTION MURUROA ENCLOSED SUITS
1.0 INTRODUCTION
2 1.1 PURPOSE.................................................................
2
1.2 BACKGROUND
2 1.2.1 Regulatory Requirements.................................................................
2 1.2.2 Suit Construction................................................................
3 1.2.3 Safety Features of the Mururoa Model V4 MTH2 Suit................................... 4 1.2.4 Implementation................................................................
4 2.0 TECHNICAL JUSTIFICATION.................................................................
5 2.1 EVALUATION.................................................................
5
3.0 CONCLUSION
6
4.0 REFERENCES
7 5.0 SUPPLEMENTS 5.1 GENERAL DESCRIPTION OF THE DELTA PROTECTION SUPPLIED AIR SUIT 5.2 EUROPEAN STANDARD CENITC 162 N 738 FOR VENTILATED PROTECTIVE CLOTHING 5.3 CERTIFICATE NO. 0073/197/162/01/96/0001 FOR MURUROA V4 MTH2 ISSUED BY THE INSTITUTE FOR NUCLEAR PROTECTION AND SECURITY 5.4 PROTECTION FACTOR DETERMINED DURING FIT TEST EXCERCISES FOR MURUROA V4 MTH2 5.5 DONNING AND REMOVAL INSTRUCTIONS FOR MURUROA V4 MTH2 to CNRO-2004-00075 Page 2 of 7
1.0 INTRODUCTION
1.1 PURPOSE 10 CFR 20, Appendix A, "Assigned Protection Factors for Respirators", provides protection factors for various respirator types. The regulation states that an air-supplied suit may be used in a continuous-flow mode, however it does not provide an Assigned Protection Factor (APF).
Instead it references a footnote that Indicates that atmosphere supplying suits can be used in a respiratory protection program if the minimum program requirements are met (e.g., 10 CFR 20.1703, "Use of Individual Respiratory Protection Equipment). 10 CFR 20.1703 states that use of non-National Institute for Occupation Safety and Health (NIOSH) equipment is acceptable only if approved for use by the Nuclear Regulatory Commission (NRC). 10 CFR 20.1705, "Application for Use of Higher Assigned Protection Factors", contains provisions for licensees to obtain NRC approval to use higher APFs.
Entergy proposes the use of the Mururoa "fully enclosed suit" model V4 MTH2 manufactured by Delta Protection, a French company. The purpose of this submittal is to request approval for the use of these suits and for authorization to use an APF of 2000 for the suits. Additionally, due to the advanced safety features for emergency breathing and emergency escape built into this suit, the Mururoa suits may be used without dedicated rescue personnel being assigned.
Entergy understands that this is a single use suit and will discard each suit after a single use.
The Mururoa suit was accepted by the NRC in June 2003 for use by the Duke Energy Corporation as a respiratory device with a protection factor of 2000 (TAC Nos.
MB7952, MB7953, MB7954, MB7955, MB7956, MB7957, and MB7958). The Mururoa suits have been widely used in western European nuclear power plants. The manufacturer indicates that approximately 60,000 Mururoa garments/suits are used by these plants each year. The suits received certification for use by the Institute for Nuclear Protection and Security, the European certifying agency comparable to NIOSH, in 1996.
1.2 BACKGROUND
1.2.1 Regulatory Requirements The following regulatory requirements are relevant to this request.
10 CFR 20.1703, "Use of Individual Respiratory Protection Equipment", requires that if a licensee assigns or permits the use of respiratory protection equipment to limit the intake of radioactive material, the licensee shall use only respiratory protection equipment that is tested and certified by NIOSH.
10 CFR 20.1703(b) allows that if the licensee wishes to use equipment that has not been tested or certified by NIOSH, or for which there is no schedule for testing or certification, the licensee shall submit an application to the NRC to authorize use of the equipment.
10 CFR 20.1705, 'Application for Use of Higher Assigned Protection Factors", requires that a licensee shall obtain authorization from the NRC before using assigned protection factors in excess of those specified in 10 CFR 20, Appendix A.
Attachment I to CNRO-2004-00075 Page 3 of 7 10 CFR 20, Appendix A, "Assigned Protection Factors for Respirators", Item II, "Atmosphere Supplying Respirators (particulate, gases and vapors)", indicates that for a suit in a continuous flow operating mode, no APF is assigned nor is a NIOSH approval schedule currently available for the evaluation of such suits. This equipment may be used in an acceptable respiratory protection program as long as all the other minimum program requirements, with the exception of fit testing, are met (i.e., 10 CFR 20.1703).
Based on these regulatory requirements, Entergy is required to obtain NRC approval for both the use of and a protection factor for the Mururoa model V4 MTH2 suit. Review of the test results required by the pr EN 1073-1 the Delta suit is a class 5 ventilated pressurized suit. A class 5 suit has a protection factor (as determined under European test standards) of at least 50,000. Our request for an Assigned Protection Factor of 2000 is conservative.
1.2.2 Suit Construction The Mururoa Model V4 MTH2 suit meets ISO 8194 and the European Standard EN.NF 1073-1. The manufacturer is ISO 9002 certified.
The Mururoa single use suits have the following desirable features that are not available in the "bubblehoods" and "rain suits" manufactured in the United States:
- 1)
One piece single use suit that includes welded gloves and booties with tie straps,
- 2)
Made of Ethyfuge with reinforced elbows, knees and crotch areas,
- 3)
Dual zippers - metal zipper inside and plastic zipper outside,
- 4)
Helmet made of clear Poly Vinyl Chloride (PVC) material that provides distortion-free vision and large enough for wearing a headset,
- 5)
Welded sleeve to insert communication cable,
- 6)
A removable strip near the mouth that could be used for emergency breathing in case of loss of supplied air,
- 7)
An egress strip stretching from left arm, over the head, to right arm that is used for undressing and for self-rescue in an emergency, such as loss of supplied air,
- 8)
Air intake located at the waist with a built-in regulator that can adjust, but not block,
- airflow,
- 9)
Two exhaust valves that provide ventilation, and also protect from overpressure,
- 10)
Very low noise level at maximum air flow, and
- 11)
Air flow to the arms legs and face.
Air hoses of any length can be used. Air Is supplied to the Mururoa suits between 40-85 psig measured at the inlet. A regulator at the inlet can adjust the airflow from 41 CFM to 9 CFM. To ensure user safety, the regulator cannot shut off the air supply. Noise level is kept between 76 dB at maximum airflow to 58 dB at minimum airflow. Air flows through manifolds to the chest, hands and feet. There are two exhaust vents on the back - one on the helmet and one on the back. The exhaust vents have patented magnetic seals to prevent any aspiration of contaminants if supplied air is lost. There are two air vents near the chin for cooling the face.
The Mururoa Model V4 MTH2 suit is made of Ethyfuge material, which is incinerable. The to CNRO-2004-00075 Page 4 of 7 Mururoa is approved for use with different fittings in Europe and can be fitted with Schrader, Foster, or CEJN type fittings used at the Entergy facilities.
1.2.3 Safety Features of the Mururoa Model V4 MTH2 Suit All Mururoa suit models are lightweight (-2.5 lbs), made of fire-retardant material and can be used in temperatures up to 1310 F. The suits have built-in gloves, booties with binding ties, and reinforced elbows, knees, and crotches. A transparent helmet with a 6-inch X 8-inch clear faceplate provides distortion-free view. Dual magnetic ventilation valves provide needed ventilation and relief of excess pressure in case suit is squeezed/pinched unexpectedly. Noise level at maximum airflow is less than 80 dB. Airflow can be adjusted by the user for his/her comfort, but cannot be shut off. In case of a loss of air, the user can remove the mouth strip and move the opening close to his face, or enlarge the opening, to breathe outside air.
Alternatively, the user can pull the escape strip from either forearm, over the head and towards the other forearm, and rip the suit in two halves. This escape strip is normally used for egress from the suit when the work activity has been completed.
The Mururoa suit's design does not permit its use in an Immediately Dangerous to Life and Health (IDLH) atmosphere. Entergy plans to use this suit for protection against radioactive particulate contamination only. The Mururoa suit is also not designed for use with any personal cooling units such as a Vortex tube, but can be used with a cooling vest supplied by the manufacturer, if desired.
1.2.4 Implementation Entergy sites have respiratory programs in full compliance with 10 CFR 20. The Mururoa V4 MTH2 suits will be integrated into the applicable Entergy respiratory program using the information provided by the manufacturer. New lesson plans will be developed to train workers on the Mururoa's features, donning, use and removal, cautions and use of mouth strip, and tear off strips for routine and emergency egress. Radiation Protection personnel will be provided additional training for selection, approval, issue, equipment set-up, operation, and maintenance instructions for the Mururoa suit. The Mururoa suit's safety features, namely the tear-off mouth strip and the emergency tear-off strip, make it unnecessary to require standby rescue personnelt Additionally, in many cases, workers are In direct contact with Radiation Protection or support personnel via audio headsets. The ability to eliminate the rescue worker is an ALARA consideration since the work areas where air-supplied suits are used are typically areas with higher radiation and contamination levels. Steam generator nozzle dam and platform work, reactor vessel closure head nozzle inspections and associated service structure modification, reactor cavity decontamination, and equipment decontamination are specifically targeted for the use of the Mururoa suit.
Entergy will use the Corrective Action Program (CAP) to document and evaluate any unexpected problems with the suits. The manufacturer is subjected to checks from the IPSN (Institute for Nuclear Protection and Security) to insure the product has no risk of injury to the user. A second organization called ASQUAL (an advisory group to regulators) performs annual inspections of the factory to certify that the manufactured product is of the same quality approved by the IPSN.
Attachment I to CNRO-2004-00075 Page 5 of 7 Several destructive/non-destructive tests are performed by the manufacturer for each order received from clients. Any defects reported by clients, investigations, and corrective actions are documented by Delta Protection. Customers are notified of significant problems and products are recalled if necessary. This information is made available to ASQUAL for their annual inspections.
Entergy currently uses air supplied hoods, (commonly known as the bubblehoods) for jobs involving overhead contaminated water, high potential for skin contamination from discrete radioactive particles, and to prevent intake of airborne contaminates. Because the bubblehoods do not cover the hands and the feet, workers have to wear additional protective clothing, including two pairs of gloves, rubber shoes and booties and tape for sealing. Chances of cross contamination during undressing/exit from the contaminated areas are high. 10 CFR 20.1703(f) requires the use of a standby rescue person when an unaided individual would have difficulty extricating himself or herself. Standby rescue personnel are required for bubblehood users.
The rescue person is required to be in line of sight or in constant communication with the user.
The rescue person and bubblehood user have equipment for cutting open the hood in case of loss of supplied breathing air. When an evacuation alarm sounds, the bubblehood user will stop the work safely, and go to the rescue person. The rescue person follows procedures for removing the airline and escorting the user safely outside the area.
The Mururoa suits offer a better alternative (with their unitized construction and ease of removal) and should protect the worker much better against facial/skin contamination and airborne radioactivity. Because the Mururoa suit utilizes a mouth strip that can be easily removed by the user and the opening enlarged, it is not necessary to wait for help from a rescue person. The user can disconnect an airline and walk out of the area. Because the user can easily extricate himself or herself, a standby rescue person is not required by 10 CFR 20.1703.
An explanation of when standby rescue personnel will required will be clearly explained in Entergy procedures.
Approval of a protection factor of 2000 for the Mururoa suits would allow use of the Mururoa suits in Entergy's efforts to control contamination incidents and prevent intakes during operational activities at all of the Entergy's facilities.
2.0 TECHNICAL JUSTIFICATION 2.1 EVALUATION Entergy reviewed the following documents obtained from Delta Protection:
- General Description of the Mururoa Model V4 MTH2 Ventilated Suits (Supplement 5.1),
- European Standard CENITC 162 N 738 for Ventilated Protective Clothing (Supplement 5.2),
Certificate No. 0073/197/162/01/96/0001 for Mururoa Model V4 MTH2 issued by the Institute for Nuclear Protection and Security (Supplement 5.3),
- Protection Factor Determined During Fit Test Exercises for Mururoa Model V4 MTH2 (Supplement 5.4), and to CNRO-2004-00075 Page 6 of 7 Donning and Removal Instructions for Mururoa V4 MTH2 (Supplement 5.5).
Based on a review of this documentation, the suits represent a better design than the currently approved "bubblehood" and "rain suit" combination and provide better worker protection. As discussed previously, the data supports an APF of at least 2000.
A key element of this review was the application of the European Standard and the Certificate issued by the Institute for Nuclear Protection and Security for the Mururoa suits. The European Standard (Supplement 5.2) requires that the suit material be tested for resistance to abrasion, flex cracking, puncture, blocking, tear and flammability, strength of seams, joins and assemblies, damage resistance of exhaust valves, designed flow rates for pressure range of supplied air, noise level, and quality of the visor. According to the testing standard, two workers, each wearing two different suits inside a chamber filled with a test agent (sodium chloride) should perform standard exercises and measure the leakages during the exercise regimen lasting 20 minutes. Operating parameters are set to manufacturer's instructions.
Standard exercises include walking on a treadmill at 2 mph (3 minutes), moving arms up and down above head while looking upward (3 minutes) and squatting continuously (3 minutes). To ensure worker's comfort, two additional practical exercises - walking at 2 mph (5 minutes) and loading a bucket with wood chips from the base of a hopper and emptying it into the opening on top (15 minutes) - should be performed by two workers at specified air flow rates. Certificate No. 007311971162/01/96/0001 (Supplement 5.3) states that the Mururoa Model V4 MTH2 passed in all categories tested and provided a protection factor greater than 50,000. It should be noted that the term 'protection factor' used in the European Standard is equivalent to the 'fit factor' used in the United States and is not the same as the Assigned Protection Factor used in 10 CFR 20.
Entergy also conducted an in-house inspection and demonstration of the suits. This inspection/demonstration indicated that the Mururoa suits are an improvement over the currently used suits due to their ease in donning and removal.
Additionally, the NRC approved the use of the Mururoa Model V4 MTH2 suit with an APF of 2000 for the Duke Energy Corporation in June 2003 (TAC NOS. MB7952, MB7953, MB7954, MB7955, MB7956, MB7957, and MB7958).
3.0 CONCLUSION
Entergy requests the approval for the use of the suits as per 10 CFR 20.1703, which requires use of respiratory protection equipment that is tested and certified by NIOSH or alternatively which is approved for use by the NRC. Based on an in-house inspection of suits and a review of industry and manufacturer test documentation, Entergy has determined that the Mururoa model V4 MTH2 model air-supplied suits offer a safer and more efficient means to protect workers in areas of either high radiological contamination and/or high potential for airborne contamination. The existing rain suits and bubble hoods provide cooling only to the head and force workers to wear the ensemble in a manner that makes self-rescue nearly impossible, thus requiring a rescue worker to be stationed nearby. Ease of removal of the Mururoa suit provides for more desirable self-rescue features. Additionally, the Mururoa suits provide a means to undress that minimizes the potential for personnel contamination events.
to CNRO-2004-00075 Page 7 of 7
4.0 REFERENCES
- 1. 10 CFR 20.1703, 'Use of Individual Respiratory Protection Equipment"
- 2. 10 CFR 20.1705, "Application for Use of Higher Assigned Protection Factors"
- 3. 10 CFR 20, Appendix A, "Assigned Protection Factors for Respirators"
- 4. Regulatory Guide 8.15 (Revision 1), 'Acceptable Programs for Respiratory Protection"
- 5. NUREG-0041, "Manual of Respiratory Protection against Airborne Radioactive Materials"
- 6. European Standard CEN/TC 162 N 738 (July 1996)
- 7. EC Type Examination Certificate No. 0073/197/162/12/96/0001 for the V4 MTH2 suit dated January 10,1996
SUPPLEMENT 5.1 CNRO-2004-00075, Attachment 1 GENERAL DESCRIPTION OF THE DELTA PROTECTION SUPPLIED-AIR SUIT
NO: Do/ USA/ 1 INDIC a
V4 MURUROA INDICE: a V4 FULLY ENCLOSED SUIT DATE D-APPLICATION :06/09/01 DELTA PROTECTIOAJ GENERAL DESCRIPTION 0 04 66 89 IS 36 PAGE :1/5 MURUROA SUIT The Mururoa suit is a single use garment designed to be used in radioactively contaminated environments. It has been widely used In western European Nuclear Power Plants for more than 20 years, without any major problem (the French state company: Electricit6 de France use 60,000 garments each year).
The Mururoa suit is a fully enclosed PVC plastic, supplied-air and pressurized suit, that offers excellent protection factor ( -100,000) against any solid, liquid, or gas pollutant, minimizing discomfort and heat stress and increasing the worker's efficiency.
The Mururoa suit is C.E. approved and complies with CE standard EN:1073-1 "Protective clothing against Radioactive Contamination" It also fulfils the requirements of the I.S.O. 8194 standard "Radiation Protection-Clothing for protection against Radioactive contamination-Design selection testing and use"
/k INDICE: a V4 FULLY ENCLOSED SUIT
.4 DATE DAPPLICATION :06/09/01 DELTA PROTECT1OA PAGEENERAL DESCRIPTION
/04668936 VENTILATION / EXHAUST In the supplied-air Mururoa suit, the ventilation system is composed of An airflow control valve, preset to a minimum flow of 250 litres/minute (9 CFM) at 3 bar (42 PSIG), located on the right hip and covered with a protection flap. This flow can be adjusted, from 250 to 1150 litres (9 CFM to 41 CFM) per minute. 1150 litres is obtained with the tap fully opened at the feeding pressure of 6 bar (85 PSIG) (refer to graph in annex 11).
A silencer bag which attenuates the noise level less than 58 dBa at 250 litres/minutes to 76 dBa at 1150 litres/minute.
A manifold system welded to the suit and distributing the air to the helmet, the legs and the arms.
An exhaust by two world patented valves placed in the helmet and in the back. These valves ensure a remarkable airtight seal In case of accidental air-feed cut off, or when putting the suit in under pressure through abrupt movements. The valves regulate the overpressure in the garment between 3 mbar (0.042 PSIG) and 10 mbar (0. 142 PSIG) for supply air pressure between 3 bar (42 PSIG) and 6 bar (85 PSIG)
The benefits of this system are
- High heat removal through superior airflow
- Non irritating diffuse ventilation
- Resistance free breathing
- High level of comfort for long and strenuous jobs in contaminated areas
- Very low noise level
NO: Do/USA/1 MURUROA INDICE: a V4 FULLY ENCLOSED SUIT DATE D'APPLICATION :06109/01 DELTA PROTECTIQA GENERAL DESCRIPTION a, 04 66 89 IS 36 PAGE :3/5 DESIGN CHARACTERISTICS One piece PVC, fire proof suit. (Thickness 20/100mm for technical data concerning the material, refer Annex I of this document)
Welded PVC gloves Incorporated overboots with strengthened sole Binding ties on the overboots Reinforced elbows, knees and crotch Dual zipper system:
- metal zipper for mechanical strength
- PVC zipper for air and gas tightness (0.30 PVC thickness)
Supple transparent PVC helmet, fitted with a transparent distortion free, PVC face plate 6"x 8" giving almost the same optical quality as glass.
Quick release strip from forearm, overhead to forearm, for easy removal. This is used both for undressing or emergency egress. (Emergency egress takes less than 3 seconds).
Quick release strip for access to the mouth.
Welded sleeve for communication cable.
NO: Do/ USA/ I MURUROA INDICE: a V4 FULLY ENCLOSED SUIT DATE D'APPLCATION :06/09/01 DELTA PROTECTIOA PAGEAN GENERAL DESCRIPTION a) o0 66 89 18 36 PAGE :4/5__
GENERALCONSIDERATIONS THE MURUROA SUIT IS AVAILABLE IN SIX SIZES Size 0 1,55 m 1,62 meter 5 feet I inch 5 feet 4 inches Size 1 1,60
-4 1,68 meter 5'3"
-4 5'6" Size 2 1,68
-4 1,74 meter 5'6" 5'8" Size 3 1,74 1,82 meter 5'8" 6'0 Size 4 1,82 1,92 meter 6'0" 6'3" Size 5 1,92
-4 2,05 meter 6'3" 6'8" But if any individual selects a suit size different from the recommended size, the operating and safety characteristics will not change.
WEIGHT 1200 grams (2.64 LBS)
FEEDING PRESSURE 6 bar (85 PSIG)
FLOW 450 up to 1150 Lit/minute (16 - 41 CFM)
STORAGE The suit should be used by the third year from the date of manufacture.
It must be stored in its original packaging.
The storage temperature has to stay between 0C and 600C (320F - 1400F)
If the storage temperature was below 5'C (41°F) the suit must be stored approximately 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> at a room temperature until the suit become flexible.
The usage temperature range + 5° C and + 550C (410 - 1310F) depends on air fed temperature
N°: Do/ USA/ 1 MURUROA INDICE: a V4 FULLY ENCLOSED SUIT A
DATE D'APPLICATION :06/09/01 GENERAL DESCRIPTION D
PROTECTION PAGE5/5 ENERL DECRIPION 0466 89 18 36 PAGE :5/5 MATERIAL PROPERTIES Technical characteristic of PVC material 20/100 mm using French standards, which would correspond to ANSI standards.
Characteristic Standards Results Units Density NFT 51063 1.38 gm/cm3 Traction Resistance NFT 54102 2 143 N/cm2 Stretch before tear NFT 54102 2 178 Tear resistance NFT 46007 2 45 N/cm2 Weld resistance than material resistance NFT 54122 Peel 50 l Tear 65 Resistance to cold NFT 51102
-10 0C Vapour permeability NFH 00030 34.1 gfm2124h Volatility on activated charcoal NFT 51167
- 6 Spark perforation NFC 26225 9.2 KV
SUPPLEMENT 5.2 CNRO-2004-00075, Attachment 1 EUROPEAN STANDARD CEN/TC 162 N 738 FOR VENTILATED PROTECTIVE CLOTHING
EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM FINAL DRAFT prEN 1073.1 CEN/TC 162 N 738 rf1Y 1996-)
1IC5 ',3.2EQ: 13.3-:C.10 011criplars2 Enrgish voscrn Protective clothing against radioactive contamination Part 1: Reculrements and test methods for ventilated protective clothlng against particulate radioactive contamliation Vitemrriems de protectlcn ccn~re is contamination radioact"v - Partis I: Exiginces tt mwthocus d'essai pcvt v:ewnent de protection ventili contre la c.tniamination racicacetive sous fcrme de particu~es Schutkiuduru.
Meen eat~oalivve Yontj-4;nation.
Tel I' Anftidt-euif.;en und P-ufvv-fahren ffie be~ithee SC~'.ut:~tacur.qg e~en radiaa;ktre Kentamzrnation dum~n feste Par:.ilel Tthis draft Eu rocean) Standatd is sutminam to CNmert~erz for formal vcte.
It has Leen vravn up by Technical Caorrn mtte CENriC 162.
I ifu.s draft becomes a Eurcreani Sw~idsrd. CEJ rn~emcems are bcund to czmr;Iv voth :he CENMCUEJLEC Internal Pegutatiens %li-i-irt.ulte, me C=nd.'ticrs for giv~;ting Euro.
pean Standard the staruig of a national slaricatz withcut any iireraticn.
This draf: Eurccean Standard was estat shed -IV CE?.L i thrie official versecns EE-igfish.
French. German). A version In arty other languapt made by translation u~nder the reso.-c.
aihiliiy ol a CEN membei into its owan lan;ua;e and notified to the Central Secretariat I-as the same status as the official versicr.:,
CE.N mrnbr1ers are the niatf-onal standardt bcdies c' Auttria. Eeligurn. Denmrnk. F~i-lanc.
France. CGermnany,. Greece. Iceland. lrelsnd, Ital.
Luxefrtourg. ehrad.?rw.
Fcr-ugal. Soari. Sweden. Switzerl~and and rtnned Kin;dcrn.
CEN E-urcDean Ccrr-mre.te frSI.,. i~~o Comnzti Euiepoen ce n:rrr4!fisation Europlaches Kcmr'ee fNr Nttaning Centr'al Secretariat: rue Ce Sluiss-26. B21C50 Er.-ssels C 1996, Copyright reserved to CEN members.
Pef. No. vrEH 1073.1 : 1996 E
^
Pa;J 2
- Exat 1 073-1 1?96 Contents
- ^e~-
3 1 sc e.
4 2 tNirmatdve relers 4
3 FCesuaiognes
..5 4Cesign............
...................... a 5 Requirem ents.........................................
.... I............
5 6 Test methcd*.....................................
9..
.° 7 Marking....
I.
5 e Mtanufacturers irtFctm at
.cn 1.
Anu ex A Incrmatrvl seuelf.Ce fof Mt Itstir-g of the ;rcIeMon fa: Or.
Annax ZA idformnativel Ctauras of this Eurcceln S.s3mdar-a.ddte-si esze-:rni reuwv-enes cr other vrcuisiorms t EU Directives
.3
Page 3 prEN 1073-1: 1996 Foreword This European Standard has been pre-ared by the Technicai Committee CENTC 162 'Protec:ive clothing including hand and arm protection and lifejackets the secretariat of which is held by DIN.
This European Standard has been prepared under a mandate Srien lo CEN by the European Commission and the European Free Trade Association and sucpcrts essential requiremen:s of EU Directive E9/6566EEC.
For relationship with EU Directivelsf. see informative Annex ZA. which is an integral par-of this standard.
The annex A is normative and contains the activity sequence ler the testing of the protection factor.
Further pans of this standard will deal with requirements for unventilated protective clothing and prcte::icn against liquids and gases.
In accordance with the CEN/CENELEC Rules, the following c:un:ies are bound to implement this European Standard:
Page 4 rtEIJ 1073-1 : 1996 1 Scope This Efjroean Stancard spctfiei the charanatistict ct vrr-tiate-clothing -rotectngq the wearer agasnzt partrcutate radioactive ca aonw-no..
This Eujrcrear St ri-ard does nct ancly ter :he pr:,tvian agairst ionr~snsg radiation an~d th, ;rotecticn of paveim~! a~arfts contarninatrcn with radio&a-trwrv substa?1:es by diacnasspcial anid~or thera;CtUtcal neastures.
2 Normatfve references This E*orapean standar Incormcrates by dated or undameo tefere',ce, provisicns from cuter rutlicalions. These ncrrrative trciereces aft cited at :he appotptiate elacea in the text a.". the pubtcmieans are listed hereafter. For date-I tefercnc:qs. sutsecuelt. amenedments to or ttyis~n1 of any et t pue tlitcationz arvly to utis Eutce:rin sz:andard only when incerpcrauc! in it by amendm-en: er rvistaon, Fa;r undated references the latest edit.Von of the publication referred za a.-Pi~es.
EN 146 Ruspiratory protective devinces -Pajwcred fterring deucaes incorporating helmets or heeds -Peu;utern.en,:s.
testing. frsakirng EN 270 Fesoiratzori protective devices - CemrnotltIad ir Im. breathing =oaratuz imccrvcraltrn; a hccd - Fe-Uife-rrents. testing. maik-mg En 34-C Proiecluvt c~clhing - Gercrao reouvemenms EN 530 Abrasion resistance ct wrzte-.trve ccthmg nnateflai Test rnatrcd EN e63 ProteCtive/ c~otr'Ing - Mecnamrcal ;rcpoitigs - Test r-einca. P;;n=ture fg:.Lsar~ci CrEPI S.t. I Protcczi.e clothing for use against fiquid *a4 gateous cnemicais. fincludin; liquid secscis and scuid PartIC!es Peffcrmrance requirements for veiniiatd and nc.vetid as-tight' lType tIf anc 'ncn-gas-zlght-(Tyce 2! rrotective clctthing PrEN 1 146 Fes.-watory ;rotirc-rdt cewtces for self-es.ttit-S6qf-I-ot~minC epen-c~rcuit czmrntessed art bre~hf-.rg toptaratus irncorporating a thcod fcompressed air nies:
amcoratu% vith hocdc F,:u--ire-ntents. testir;,
rrark~itg EN 25978 Rubber or piastics coated tstrizs -
etcrminaticrn Cf t~ockiurt rcsist.ar~cg EN 29073-c Textiles -Tes: mothocs fcr nefnwcvePt5 - P3,t :
Ctuar'.nmaticr of %car frvsizancl ISO 5082 Textiles - %"vtn faerrc: -
eterminavicn ef treakin; rTreTn;th -
rAc mnethod IS0 7854' Rutter at vlastics coated 'attic; Determrinration et resistan~c to-damage by flexing fownarnic rrertfoc~
3 Definitions Fzr -:~e zurccse.A ct tres iten:arr.e !
c,:q tn~~~ ao, 3.1 Protective clothing against radioactdve contamination Pr-etru-e c:athngn rimenzea to ;tv rtroit:t'or-to :,e a.
ar ia f recuired to Mre rest: raTorV i,;r. lars:
radkoict~ve rontamlnnAiicr..
3.2 Ventilated protective clothing PtoCle:!mvge lcthirg~ wrnscn is succphd -oath trc.iathle oir ensufing insternal vintlAiricr. arcr overpressure. Thii ptote--tive clothing poviae~s rclecticn a,,ains: radioarctive Ocua-nierninzvn for utre rese atcy :ric: 3nd 'he Ywhele
Page 5 prEN 1073-1: 1996 body.
3.3 Nominal protection factor (inward leakage. IL)
The ratio of the average concentrations of a test aerosol or gas measured in the ambient atmosphere and inside the hood of the protective clothing at the point where the wearer draws breath. The concentrations taken into ac:cunt are the average concentrations recorded during a standardized test.
3.4 Radioactive contamination Presence of radioactive substances in or on a material or in a place where they are undesirable or could be harmful.
3.5 Seams A permanent fastening between two or more pieces of protective c!ching material.
3.6 Assemblages A permanent fastening between two or more different garments, or between protective clothing and accessories, obtained, for example by sewing, welding. vutcanising, gluing.
3.7 Join A non-permanent fastening between two different garments, or between protective clothing and accessories.
3.8 Closure A device. for example. zipper, touch and close fastener, etc.. to c!ose openings for donning or removing the protective clothing.
4 Design 4.1 Protective claohing against radioactive contamination shall comply with the general requirements specified in EN 340.
4.2 The design of the protective clothing shall be such that the protective clothirg is straightforward to rut on and take off, and to minimize the risk of contamination, testing according to practical performance test (see 6.2).
4.3 The clothing can be designed for single or multiple use.
4.4 The protective clothing Isee 3.2) may consist of one or several parts. The c cthing may be fitted with a respiratory protective device to enable the wearer to breath in case of failure of the primary air supply.
5 Requirements 5.1 Materials The materials used for protective clothing against radioactive contamination shall rreet the requirements according to table 1 after the pretreatment in accordance with 6.1.1 and 6.1.2.
Page 6 prEN 1073-t 1996 Table 1: Reruiremenss lcr the materiaLIs Requirement Classilicaton T Test according to applicable for reusable single use Abrasicn res.
6 > 2CCO Cyc!ts Ell E20. Mter-tc 2 Ves Lye stance 5 > 1 500 Cyes.
00 araisv pacer ac-4 > 1000 Cyc!es cording to PIEN 9di3 3 >
500 Cycles.
I ad 9 kPa 2 >
100 Cyc's dovinward pressure I>
lO CVc!'s Flex cracking 6 > 100000 Cycles ISO 7854 M.etned i yes rno resistance 5 >
L0000 Cycles 4>
15000 CycJes 3 >
5000 Cyeres 2>
2500 Cycls I>
1000_Cycles Pun-turc resi.
3>
100 tE r53 yes l
es; stance 2>
60 N 1I I O0 N
Flesistar-ce to 2 no tlockng ISO 597S es l
ro blccking
.1 blocking 15et note 11 Tear resstance 6 >
150 N ISO 90734 yts yes 5>
EO N 4>
10 N 3>
20 Z
J 2>
G tU 1>
2N ra-.rabilry of shall not con:rmu to prEN 1146 jsingIa yet yes materils5. visor burn tutnet testl and ancllary Darts _
'.OTE 1: Un atid1 materials shall ncs te tested a;anst rft;szance to tleckmg.
he htst rwpcrt shall te imarked 'Nor tested against....
NOTE 2: It prctection jg;amn.s hazardous chemicals is required s'en testing has to be cauiee ouQ a:ccrdtng to tnc relevant chearjial s-andards.
5.2 Ventilated protective clothing S.2.1 General The Cesign of the protcive clothimg has 2o te :CZ:ed in tie pracical; :Crdormanca tes. spee-titc in 6.2.
5.2.2 Requirements for the nominal prOtection Iactcr 1HUl Vrntilixed rrcteccve clothing shal be cms:fhef a.c-rdirn; to table Z. Testing accorcnS; wet the necez:ary atrvity secince a*c.rd;nfg tc annex A. at the minr'm =e:vgn air flow ate.
Pa;e 7 prEts 107-3-i :19905 Table 2: Lvailtzw Class Maximum value of mean kealagg Into Nominal protection facto*
the haod during extrcise of one I
anl activity I
activinies 0.0ot o0c I
ICC21000C 3
0.02 0.01 I 1000 2
j 0,04 1
0.02 1
ECCO 11 0.10 1
0.06 2000 NOTE 1: Maxim~urn value is calculated as the ave'age rtrfermarict aye! all test seqzuences.
NOTE 2: Norrunal protection fac~of is v?'e,we~rocal of me IL ottazned-curing a3 Ictivy't1S 5.2.3 Suength of Sezrnz. Joins a'" Assenblages 5.2.3.1 Seams A sarn;le of eaeih type of Seam, shall be tes:ea in a~:t~rdace v~tth 'SC 6062 Annex A? iCeiristant-ra:.9 of ttivrrd. Three 3soacimnens or eicha Ivre c! seam. srna. be tesied and the mean of each set et three sarnples cacilsJaed. The gar-re-s. SeAnr. relfcvmrIne %hall te C!asfied at~rdinq %5 the Ie'vC!3 of rertcrmence grwen in table 3. using the vwets: mean res..1:. i.e. %!e wyvakest ;cam ty;e.
If tne I-ell is not a (fcatle bttavse tr-e -s,,rvr'gh ef re rnz~j!
is 1lcweT than tne sirengtr e cIt%*
tem.the value et mnatenasl tear resistance shcidd tle used for t's~sdficsxt n teem.
NOTE. The test method decce: iF%
ISO rGE-1 is only 3-tzlitatle tc straight scams jicinii ttwo
-iezrs of mater~aI.
Table 3:
suzzl'ication of seam strength las_
Seam sireniigh in Cl sN__
_ _ _ _ _300 5.2.3.2 Jcins and assemblages Tme r.tans anz a semt~s be!vwee'. Ilth suit ana de:a:!'a~le :ars e.g. ter.ween gloves and sleeves.
bocts and :rcuser ?ees at.'e Iesec. r. acc,-danm:.att 6,.! srii ovti'thtd i pull t0 !Co N 5.2.4 Visot T.he 'easer snal c.rrnolv witho 3tcl
-4 Where annfogg;pt czmc.cuncs w'e used or -srev-fmd by the -uatu-
!ac:ure1 t-ev Shall nMt rna-e n#1 adverie 3tNAC: O-n the heart ot tna wester, or on the :!whing.
Page 8 prEtN l073 1~99 Table 4, R~equireme~nts tat the visor Properties of the visor Reouirement I
Tes tinq Distortion~ cl wisdon the loss of %srht shhl nct iv~esd to read littters crn an colorretric5(
tw cls;n.h celc)chartj Ie rciat l
diwelofrmanc duest twol~
tcISa teonmt~c
~
cat ractical digtacrma 5rne dur se :zrd ~n ; to 6.2 Mechanical stiength sliatl not be visibly dirraged if according to E-U 1-'6 such a way as ta bet likely ta affect tne perlcrrmance GI the sunt system 5-2.5 Alt supply system Coupfin;s and ccnnecticru shN4 cczrncly with ENl 270.
The connectien tetween the cor-prexszd air sucly wbtu a-.d te.e suit.
tncuding artachments thre 5ded parts, telt or cthe! ;arts. or n'eans of stabds r.g the sun :0 the bcdv snIl viitihs-and a :S0 N pult when tested accertdng to 6 5 NOTEL Shculd be edrfcrrned btecre the inwarc SeaCa;e tes-.
5.2.6 Breathing hose The treathing hcsc shall cor!.ply wvih the te;uirernfnr.
ft ElJ 270d.
5.2.7 Alr flow fate T.wro suit systems shat be tested. one of wrtich has to te Crecondit;cned as soecffied in fi1.4. When
- csted the air flow
'at Znto tne suit !vs.t. sh t not be Iess tsan the manulacturets' minimum design flow rate. The maximum flov. tate shan n-: ex:etd :he maximum as stated by :'"e manufacturer. Test in accordance vrlh 6.3 The flow rate and the dir:ibu'orn of the atif Into Vie suit system shat not cause distress to the wcare ty local coclin;. The r.eat stress has :a be conticeree.
Tes: in accorcance vn.n 6.2.
NOTE: Heat stress has tc be considerec.
5.2.8 Ait flow rate warning device It an audible warning device is mncorpora-ed in tre suit svS:rm it smail +/-an.piy to EN 270. except for tr.e sound pressure levl! which ray be in the range EECE(Al :
80 dBilI vnhen measured a: ;r.e eanr at the wearer. The frequency range zf rmi warning detice sht~l te be:ween :000 Hz to 4CCO e:t.
Five warning devicas shat ts tested, one ot which haz :z te precendilicned as sceci!:ed in S.1.4. Te-sting according to EN 27C.
5.2-9 Supply valve It a variable ccrninrcus fow valve s fatted. it shia. cmrcly :o EN
.7C. The valve snmal permit to a3,eus:
the air flow rate in the range tram the minimum to thq rmaxi; um as specified in 5.2.7. 1: small no: be possible to cose the valve to restrict the a"t flow teicw the rimrrum desi;n air flow tale.
5.2.10 E.haust devices The sudt shall be provleed en ts exhaust dovicte-rwe.c. shail =ant nue :c %W:rc correc:tv arter trme resting of ?,e prerqsljre 'rn :hd Suit !see _ 2 1 1;, during tht ;rtzc-al -erftom-mncs.esst Isee e.
c urnng s.,e ce~ermination ot me prcrection 'acr Isee E.J-Te accnrcn scc-raance with 6c6.
5.2 1 1 Pressure in the surs The overpressure snag ncr eaceeto ICC0 P3 mean and :Cao Pa pea,. A positvre pre-surt :hall be main-ainei. Tet:rig w.snit tie maximum ait ::w rate iuring t!e ic-vft. se senc ec:firc in _nre A
Page 9 rrEN 1073-1 : 1996 5.2.12 Carbon dioxide content of the inhalation air The carbon dioxide content of the inhalation air. determined at the minimum air flcw rate, shall not exceed an average of 1.0 % (by volume), tested according to EN 270. Two suits shall be tested. one of which has to be pretreated as specified in 6.1.1.
5.2.13 Noise associated with the air supply to the suit The noise measured in the suit at the ears shall not exceed EO dECAl at the maximum manufacturers' design flow rate. To be tested in accordance with EN 270. Two suits shall be tested. one of which has to be pretreated as specified in 6.1.1.
6 Test methods 6.1 Test preparations 6.1.1 Pretreatment When the clothing is intended to be reusable the requirements for the materials or the complete clothing shall be proved after 5 cycles of cleaning and disinfection according to the manufacturer's instructions for use before testing.
6.1.2 Conditioning AZ material samples shall be ccnditioned by storage at 120
- 2) 0C and 165 +/-: 5) % relative humidity for at least 2:t h. Star: each of the tests as scecffied in 6.1.3 and 6.1.4. within 5 rmin after removal from the conditioning atmosphere.
6.1.3 Visual inspection A visual inspection snaIl be carried cut by the test house prier to the laboratory or the practical performance test. This may entail a certain amount of dismrrantling in accordance with the manufactu-rers' information for maintenance.
6.1.4 Preconditioning for the practical performance test If the manufacturer does not state the preconditioning atmosphere for the practical performance test, the complete clothing shall be exposed:
a) for 4 h to a temperature of ( 31 'C and allowed to return to ambient conditions, followed by b) for 4 h to an atmosphere of (60 _ 31 *C at 95 % relative humidity. It shall then be allowed to return to ambient temperature.
6.2 Practical performance test 6.2.1 General The tests shall be carried out by two test persons at 120 -51
'C and a relative humidity of less than 60 %. The test temperature and humidity shall be recorded. The background noise shall not be greater than 75 dB(A).
The test persons shall be selected who are familiar with using such or similar protective clothing. The persons will be drawn from those people certified as fit to do so by thermedical officer. The necessity of a medical examination before or supervision during the tests shail be at the testing officers discretion.
Pnor to tne test tnere is an examination tihat rtie suit Ls in vworking-condition and tmat it can be used
-withcut danger. If more than one size of a clothing is manufactured :he subjects are asKed to select the acorccriate size. Ensure that the air supply is within the scecified parameters. Two suits shail be tested.
each being tested on one test person.
After fitting the suit each test person is asked 'Does the suit fit?". If the answer is -Yes'. corntnue the
.est. If the answer is 'No'. replace the test person or the suit.
Page 10 PrEN 1073-1: 1996 6.2.2 Procedure During the test the following activities shall be done in simulation of the practical use of the suit:
- the test shall be completed within a total working ttire of 20 min
- walking on the level with regular rate of 5 km hW fcr 5 min
- filling a small basket (see figure 1. approximate volurr.e e n with 12 mm chippings (e.g. lirmestore chipoings) or other suitable material from a hopper which stands 1.5 m high and has an opening at tne bottom to allow the contents to be shovelled cut and a furner crening at the top where the chippings may be returned. The person stoops or kneels as he wishes and fills the basket with chiPoings. He then lifts the basket and empties the contents back into the hopoer. This is reseated 15 to 20 times in 10 min.
in7@
1 Figure 1: hopper and basket 6.2.3 Information to be recorded During the practical performance test the clothing shall be subjectively assessed by the wearer and the following shall be recorded:
al harness comfort (see 6.61:
b) security of fastening and couplings; c) accessibility of controls and pressure gauge (if fitted):
d} clarity and field of vision from the facepiece and/or visor:
el clothing comfort:
f) ease of speech transmission; go any other comments volunteered by the wearer.
6.3 Measurement of minimum and maximum air flow rate Connect the ends of the distribution system collectively to a suikable measuring device. Record the maximum air flow delivered at the manufacturers' specified air sucnly. If a control valve is fitted. record the maximum delivered air flow and the minimum delivered air flow.
The value of minimum and maximum air flow rate shall be determinec under the condition of exercise 6 of Annex A (person standing still].
6.4 Determination of the protection factor The protec.tcn factor shall be determined in accordance with prEN 943-1. Sodium chicride test methoc shall be used. Activity sequences for zestng are given in Annex A of this standard.
The ceeerminaticn has to be done a: tne rminimurm design air flew rate (see 5.2.71.
On two test subjects four new suits snall be tested. Two suits per test subject.
Page I I prEff171l:19 For ta:h individual test calculat~e the arnthrnetic mean ovtr %hir turne ;ericd.
Calcufare the percentage inward leakage flU as followi.
Cs C1 I ha.'lcr~ge ccneen~trtion in th~e test rlsamter.
C:
mean concentration in the breathing z-.ne for ea= exeirce. For c!aszifica3-.cr-accordirrg to tatle 2. the aveta;. value tot Le lout suits :s-zaf te ?aken.
6.5 Join and assemblage puli test Assemble the moans of attachmer't acc~r6tg io the mmufaciure-s' inicvmamcn. 11 the aazerntlec item (e.g. glove or booti is Itself not strong enough to acvly the re-tuirtd rug &usu~.~t'te an item theat izz.
Securely attach one par: to a fixed cimrrip. Apply tne require: force lcngrrucially. Reccrd a,. which ftdrc it Farts cr state tmat at the requiked force lt was ;tdll coM;e:t'e.
6.6 Exhaust devic-a pugt test Mocunt the suit en to a durnviy torso wftich can be ascusled so that me load can be a.-Ced axially te the, exhaust device. A aystem of tetaminig struas ci bands is fittHed ver the suit around the exhatzs: dev'ce so t."at the load is av;Utd as ditectiy as posLter to tetr itting of Lne txihaust. device in *Whe suit.
Exert a torce et 150 = 2.51 N to the exhauz% dev'ca ano hold tot 10 S. Re~est: 10 times.
U~amirne vne exhau:st device for Sig-is ci darnmage or fiLf!
7 Marking The marking shall comcfy with the szec~flzcrtics ci EN.140 with tre ;i~grarn as ;groef in !-gure.
The level cf prformanci-ef the inward leakage (IL. %uad be markee as:
IL : class X CZ clas-s nurmoer Acc::r-ing to tabte 2).
Rgute Z: Frcogwri 8 Manufacturers' information the rnanutac-urers' in!=rr.-aticn sha.I camrivy with tte s:tc:Giz:.-cnz at EU2.O The fogoviing irltitcimitcrt shall btsuc;6ed ad_,t:cnally,.
- nistt,.-crs ter ::c:-nng..
us~rig. 1fmrcg. rernaviT; ancs.c rr IzW lcas:CM.
attainsc use Ilempefwerut range ett.l
-teets to tie carried cut hy the wearer tbefore use fit tecutrec!.
-maintenar:e and cleaning a-id ceafl*tarrina::cn bd. e.g. shcwNer~g (if trtuitec'.
-.)C manuiact~.rer shiall specify Ine requtret su-.;lv cressure and flow range riecesir
!C 7naalrin
'Warnzigs lIt 3cpfcoriame) shall te given aga~rzt: cuclersre.k y to bit enCeun ercd. as t';. na es d#=enCdr.q on the air 1low rate, wort ojad. tnviror~ment:31 ztmcsrnere, and so on.
Fage 12 Annex A Inormativ]
Aitivity sequence for the testing of the protection factor Table AlI: Activity sequence for the m~ung of thir protection lactor No
~Activive sefouencg fcr :he z:e:.i-.g
{time C11 1
Mest&s person in the su't 2 den beets, gloves rtc, as rt;.ured atzz:-. rg i:tn-fma
&ufwruurvr:
ins~ruct.cns I_____
3 pc~zcn to entet tes, c.arrnbtr. connect. t,,ing :r. trie samcnle por4
- no MIs agent 41 establish bakgteune risfing ats ample ::cn:
-tn
- erso standins 3
3-.ill - no test agent 5!
start test agent and a~ew to svatilize It____
6 record leakage and Pressure at sanr.-le ;c~rt wfmLI tet ;erson star.-
dinc stifl 7
star-trieadjmll e
walk 3
0-Teczrd leakage and pressure at iam;pe -;c~nt witr =a pe~icn wal kirna at.socut 5 km W"_____
tO j sca viradmill ItI record teakiage and pfU15uft in sarrle* ;c~r1. :erzoen rnvin; Ar-.s I up and down~ at-oie heid height and lcck~n; uceard. v.g. Witnrg
.bject lhalf brick) fltro lrzk tc shelf leiel 12 record leakzgt and pressure a: szmpfi :cini, person dcsng count-I MUCUS :cuat; I
13 st y test a;ent and aftcw to cdes:erse with :es in cfharnt.er 2
14 disc tnre=: samnple lte~s and rermove :ets:n !rzr-tins: chamcer
____land undress subtctv NOTE. -the total trial miay vary. ail ti:me: arg 2nd~
- z.
are to stzare =,ndl::ona. %Vhen doing scuits, a %!cw di-.beiate action isre-,V~rV. sav. C:n:.i-acuslv aunng !ecut 12 a Anal*yse resufta ev-e? znal 2 mmn.f eav-oxirr-s-e :aricc :t a'.cid -arrv aver :1 Petuit frcm cnc sexecjse to the otncr.
Fleccrec :nlUinge :~enii"I celt~n ucusy usrng a !-eOsrate decqc:r lit zossiciel.
Se.-Oatde Presuprtse inzzoq bte suit over the wricle :tme.
Page 13 Annex ZA finformativel Clauses of this European Standard addressing e-sscntial requirements or other provisions of EU Difectivea Tr-s E~.rccexr Standard hits been ;recared under A m~andie 7rven, tc CEfl ty tre Eurovean Cem'rr~r-sicn ar-: -me Eurozean Fite
- -rate..55ceIistn anc iScrtnu
- ctzetial rcquitements et EU viec~rwe Fg26 EM1c.
WARIMING Other re~uiritiner-ts and other EU C,.fe-:ji~es may be st;rhcabie ito the rciduc:ls) tailng wvtihin the zcnve of this s:;sdard.
The fc,'.ow.ng CIZU-.e% Of this Standard arc hNe~y to su~c-.e rezzuatenents of Dire y--e 29'68EEEC.
,flnnex II:
EIJ*Directive 89I6861SEC-Anrex II clausesz of this itarndard 1.1 Diisign principles 1.3 Comfort and tfficiuncyv
'..1 Information su~ccied tv vi rariaufac~ureir I
2.2 PPE 'enmosirn9 the parts of the todv xc be prttcv.~d-I tand 5 2.12' PFE bearing one or mare iWermdcation or rec:.;nmem 7
marks direcdvy or inaireesdv reata:-,q t: health ame. satety 3.9 F.adia6CM :3rotec:icn,
~ard C-,rr:1tzr'ce virth the clatuses ot m.is vanar~ar cravides zme rr-cans cf confcrrning wnh i:-. sec~fi-ell senrtial re(:u*:erncnts ci,me Directive Concetnec And asIC'atro E2-:TA re-guladcris.
SUPPLEMENT 5.3 CNRO-2004-00075, Attachment 1 CERTIFICATE NO. 007311971162/01/96/0001 FOR MURUROA V4 MTH2 ISSUED BY THE INSTITUTE FOR NUCLEAR PROTECTION AND SECURITY
ECEC 96/ 0001 Page 1/9 INSTITUTE FOR NUCLEAR PROTECTION AND SECURITY Technical Center for Nuclear Equipment Certification In accordance with the directive 89/686/EEC dated December 21 th 1989 comparing the laws of the States Members Legislations relative to the Personal Protective Equipments, and the decrees no 92-765, 766 and 768 dated July 29 1992 transposing the directive into French Laws.
The organisation here below mentioned (IPSN / CTHEN) whose references are as follows:
Address: B.P. no 6 - 92265 Fontenay-aux-Roses Cedex (France).
Empowered by Order of the Ministries of Employment and Agriculture dated December 24i 1996.
Identified under the no 0073 (published in the EEC Official Publication dated July 23 th 1994).
Assigns the:
-EC TYPE EXAMINATION CERTIFICATE Ne 0073~~SH / i iIi62 1 01 1 96/001-:.
To the following Personal Protective Equipment model:
Designation: Ventilated Protective Suit against Radioactive Contamination pressurised for a single use only.
Commercial reference: MTH 2-ref. 841 442 T.
Manufacturer: DELTA PROTECTION I REDI - 69 210 Saint-Germain-Sur-L'Abresle.
Certificate applicant: DELTA PROTECTION - Z.A. De Berret-30200 Bagnols-Sur-Ceze.
Essential Requirements
Reference:
EN 143, pr EN 1073 (nov. 1995), pr EN 943 (august 1995), EN 270, EN 146.
Date : January 10` 1996 G.BRUHL / Chief of CTHEN Nota : According to article R 223-62 of the 'Working Law", the empowered organisation should be informed of any modification made to the material subject of this EEC type examination certificate, as well as of any modification made to the contents of this technical file on which the delivered type certificate was based on (address, manufacturer name, quality insurance certificate extract,...)
This certificate contains 12 pages no 1/9 to 9/9 Fw ox
" oen dy shl b. uld a d*.t.
ECEC 96/0001 Page 219
- 1. DESCRIPTION It is a Ventilated Protective Suit against Radioactive Contamination ventilated type - pressurised for a single use only, its name is:
MTH2 - ref. DELTA: 841 442 T The T values are defined according to the size of the suit.
The suit includes:
A air tight suit with an incorporated hood A suit fastening system located on the back of the suit.
A breathable air flow supply system.
A air exhaust device.
A safety strip for emergency opening located on the hood.
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ECEC 96/1 0001 Page 3/9 1.1.
MAIN MATERIALS Skin of the suit:
White polyethylene: Ethyfuge 2000 Thickness: 24/100 mm Hood:
PE Cristal - 30/100 mm thickness.
Visor:
PVC (astraglass) 50/100 mm thickness.
Gloves:
PVC Sempersoft type - Size 9-91/2, and Semperstar type - size 10-10 Y2..
Boots:
Polyethylene - 24/1 00 mm thickness, reinforced with PE cristal.
1.2.
COMPONENTS Internal Ventilation System:
It includes a total ventilation V4 fitted with a valve with CEJN (ref:342) butt.
Exhaust:
It includes two exhaust valves located on the head and on the back of the suit.
Fastening device:
It Includes a double zip fastener located vertically on the back of the suit.
Other components:
The suit includes:
A safety strip for an emergency opening located on the hood.
A acoustic link tunnel.
A loop for breathable air supply pipe.
Several Internal strengthening pieces for elbows, knees and legs.
A transparent window to visualise the dosimeter.
- 2.
CONFORMITY TO REQUIREMENTS 2.1.
REQUIREMENTS FOR THE MATERIALS (except accessories: Gloves, slippers...)
(See paragraph 5.1. of the prEN 1073)
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ECEC 96/0001 Page 419 2.1.1. Abrasion Resistance Test according to the Norm EN 530 - method 2 (abrasive paper 00). The classification is carried out according to the following diagram:
Class Number of cycles l
6
> 2 000 cycles 5
> 1500 cycles 4
> 1 000 cycles 3
> 500 cycles 2
> 100 cycles 1
I 10 cycles Results:
Class 6 for Ethyfuge 2000 - 241100 mm thickness.
Class 6 for PVC.
.1.2. Flex cracking Resistance Test according to the Norm ISO 7854 - method B. The classification is carried out according to the following diagram:
Class Number of cycles 6
> 100 000 cycles 5
> 40 000 cycles 4
> 15 000 cycles 3
5 000 cycles 2
2 500 cycles I
1 000 cycles This test is not applicable to suits for one single use only.
2.1.3. Puncture Resistance Test according to the Norm EN 863. The classification is carried out according to the following diagram:
Class Puncture resistance 3
> 100N 2
> 5ON 1
> 10N Results:
Class 1 for Ethyfuge 2000 - 24/100 mm thickness.
Class 2 for PE cristal.
ECEC 96 1 0001 Page 5/9 2.1.4. Resistance in blocking Test according to the Norm ISO 5978. The classification is carried out according to the following diagram:
Class Comments 2
non stick 1
sticky This test is not applicable to non-coated materials.
2.1.5. Tear Resistance Test according to the Norm ISO 9073-4. The classification is according to the following diagram:
Class l Applied strength 6
> 150N 5
> 80N 4
> 40N 3
> 20N 2
> 1ON 1
2N Results :.
Class 4 for Ethyfuge 2000 - 24/100 mm thickness.
Class 3 for PE Cristal.
2.1.6.Flammability of materials, visors, and ancillary parts Tests are carried out according to the Norms EN 1146 - single burner test (paragraph 7.5.3).
Results: Test requirements entirely fulfilled.
2.2. REQUIREMENTS FOR THE ACCESSORIES 2.2.1.Gloves The gloves set on the MTH2 ref. 841 442 T comply with the specific requirements for this type of Individual Protection Equipment, mainly to the Norm EN 421 'Protective Gloves against ionizer radiation and radioactive contamination'.
They have Special EC Examination Certificates (ECEC) based on contracted tests.
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ECEC 96/0001 Page 619 2.2.2.Boots The boots are part and parcel of the suit and are made of the same constituted material.
Consequently they comply with the requirements.
2.3. REQUIREMENTS FOR THE PROTECTIVE SUIT 2.3.1. Suit Design: Practical Performance Test The Practical Performance Test is carried out according to the prEN 1073 (paragraph 6.2.).
The conditioning is according to the manufacturer directions for use.
Parameters Valuations a) Harness comfort b) Security of fastenings & couplings c) Accessibility of adjusting devices d) Clarity of vision through visor e) Suit comfort g) Other parameters Aimless Good Good Good Good No particular notice 2.3.2. Fit Factor (paragraph 5.2.2. of the pr EN 1073)
The protection factor is determined according to the PrEN 944 standard (paragraph 8.9) by respecting the sequences indicated in Annex A of the PrEN 1073.
The mean leakage value ( or inversely, the protection factor) enables a clothing classification according to the following table. The preconditioning according to the instructions for use recommendations.
Maximum accepted values, In %, of the ratio of the Ventilated average Inward Leakage Inside the hood, pressurised calculated on the whole lot of suits FIT FACTOR Suit classification For One activity For all activities 5
0.004 0.002 50 000 4
0.010 0.005 20 000 3
0.020 0.010 10 000 2
0.040 0.020 5 000 1
0.100 0.050 2 000 Results : The suit is classified 5.
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ECEC 96/0001 Page 7/9 2.3.3.1.
Seams, Joins and Assemblages pull test resistance 2.3.3.1.
Seams / Welds (paragraph 5.2.3.1 of the pr EN 1073)
A sample of each type of seam/weld is tested according to the Norm ISO 5082 (annex 2).
The seam performance level is according to the following classification:
Class Seam resistance (N) 5
> 300 4
> 125 3
> 75 2
> 50 1
> 30 The tests have been applied to the following welds:
Elbow and knee reinforcement Crotch assembly Belt assembly Booties assembly Results: All the welds are classified 3.
2.3.3.2.
Joins and Assemblages (paragraph 5.2.3.2. - prEN 1073)
This suit has no removable parts. This paragraph is aimless.
2.3.4 Gas tight (paragraph 5.2.4. of prEN 1073.
The test was carried out according to the EN 464 standard. The loss of pressure shall not be greater than 4 mbar in 6 minutes.
Results : Test not undertaken as the clothing is not considered as an gastight suit.
2.3.5.
Visors (paragraph 5.2.5. of prEN 1073)
The distortion of vision is measured, during the Practical Performance. The mechanical resistance test of the visor is according to the Norm EN 146 (paragraph 6.6 and 6.7.).
Results: Distortion of vision: Up to requirement.
Mechanical resistance : up to requirement.
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ECEC 96/0001 Page 819 2.3.6. Air supply system (paragraph 5.2.6. of the pr EN 1073)
The couplings and connections must comply with the requirements of the paragraphs 6.7.1.,
6.7.2., and 6.11.7. of the EN 270. The connection between the compressed air supply system and the suit must resist to a 250 N pull.
Result: requirement entirely fulfilled.
2.3.6. Breathing Hose (paragraph 5.2.7. of the pr EN 1073)
Tests are performed according to the EN 270 (paragraph 7.2. and 7.6). The pipes must not block the movements nor cause a rupture of the air supply during the Practical Performance Test.
Result: No constraint.
2.3.7.
Air supply flow rate (paragraph 5.2.8. of the PrEN 1073)
The test is carried out according to the PrEN 1073 standard (paragraph 6.3).
Result:
Minimal flow rate:30 m3.h-1 (500 l/minr1) for a 6 Bar supply pressure Maximal flow rate:66 m3.h-1 (1100 I/min-1) for a 5.5 Bar supply pressure 2.3.8. Air flow rate warning device (paragraph 5.2.9. of the pr EN 1073)
If a warning Is fitted, it must comply to the EN 270 (paragraph 6.13.3). The test must be carried out according to the EN 270 (paragraph 7.12). The sound level must be higher than 85 dB(A).
Result: Aimless (there is no sonic warning device).
2.3.9. Air supply valve (paragraph 5.2.10 of the pr EN 1073)
Where present, the control valve should enable a variation of flow rate between the minimum and maximum specified values without the possibility of closure.
Result: Requirements entirely fulfilled.
2.3.11.Exhaust devices (paragraph 5.2.11. of the pr EN 1073)
The exhaust devices must work correctly after the testing of the pressure in the suit, during the Practical Performance Test and during the determination of the Fit Factor. Test in accordance with the EN 1073 (paragraph 6.6.).
Results:
Good valves working.
Pull resistance superior to the fixed limit.
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ECEC 96/0001 Page 9/9 2.3.12.Pressure in the suit During the activity sequence as specified, the overpressure shall not exceed 1000 Pa mean and 2000 Pa peak. A positive pressure shall be maintained.
Result: Requirements entirely fulfilled.
2.3.13.Carbon dioxide content of the Inhalation air The CO2 content of the inhalation air, determined at the minimum air flow rate, shall not exceed an average of 1 % (by volume), tested according to the EN 270 (paragraph 7.15).
Result: Requirement entirely fulfilled.
2.3.14. Noise associated with the air supply to the suit (paragraph 5.2.14 - pr EN 1073)
Test according to the EN 270 (paragraph 7.16). The noise measured in the suit at the ears shall not exceed 80 dB(A) at the maximum air flow rate as indicated by the manufacturer.
Result: Requirement entirely fulfilled.
- 3.
CHECKINGS 3.1.
MARKING (paragraph ? of the pr EN 1073)
The markipg Is satisfies the requirements of article 7 in the EN 340.
3.2.
MANUFACTURER INFORMATION (Paragraph 8 of the pr 1073)
The manufacturers information complies with the specifications in paragraph 8 of the EN 340.
They contain the instructions for use, the usage conditions and the specific limits and restraints.
3.3.
MAINTENANCE MARKING This is aimless, the suit being for one single use only.
- 4. CONCLUSIONS Upon presentation of the tests results, the Ventilated suit - pressurised for a single use only, MTH 2 - ref. 841 442 T is certified to ensure a protection against radioactive contamination according the following specified limits:
Minimum air flow rate:
30 m3.h"' (500 I.minI)
Maximum air flow rate:
66 m3.h"'.(1100 I.minI)
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SUPPLEMENT 5.4 CNRO-2004-00075, Attachment I PROTECTION FACTOR DETERMINED DURING FIT TEST EXCERCISES FOR MURUROA V4 MTH2
DPEANSTESRICTHEN/02-642 Page 1 of 3 Test Results carried out on the full encapsulated suit MTH2 ref. 841442T For the EC Type Examination Certificate N00073/197/162/01/96/0001 You will find below the detailed results for this equipment in accordance with the Essential Requirements of the European Standard pr EN 1073-1 (revision Nov 1995). Other results that are not pointed out in this report are already written in the EC TYPE Examination certificate (dated December 10th 1997) 1 - Air Flow enterinq the suit when connected to a 6 bar feeding pressure (paragraph
.5.2.8. of the EC Type Examination Certificate) ult Entrance valve position Air flow feeding pressure air flow (m3/h I num Bar psig l1mn/ cfm) 1 Fully open 5,5 / 77 66/1100/ 38 1
Closed 6,0/ 87 30 / 500 / 17 2
Fully open 5,5 / 77 65/1080 /37,8 2
closed 6,0 / 87 31 /516/ 18 2 - Carbon dioxide content of the Inhalation air when measured at the minimum air flow (paragraph 5.2.13. of the EC Examination Type) j-Jitl Feeding pressure Air flow C02 contents(%)
nmb Bar / psig M3/h I_
cm 6/ 87 30/ 17 0,85 2 116/87 31 / 18 0,80 3 - Noise level associated with the air supply to the suit when tested at the maximum air flow rate (paragraph 5.2.14 of the EC Examination Type) ult Feeding pressure Alrflow Noise level (dB) numb Bar/pslg M3/h; cfm 1
5,5 / 77 66 / 38 76,8 2
5,5 / 77 65 / 37,8 78,5
Page 2 of 3 4 - Inward leakage average-Fit Factor measured at the minimal air flow of 4501/mn (paragraph 2.3.3. of the CE Examination Type)
Suit n" 1
2 Exercise Air flow m3hl Il/mn cfm 30/500/ 17 31 /516/ 18 Standing still 130 000 130 000 Walking (5 km/h) 59 500 50 000 Moving arms up and down 125 000 125 000 above head l
Continuous squats 65 000 81 250 Bending forward 100 000 92 850 Person twisting at waist 115 000 130 000 Standing still 130 000 130 000 Average 103 500 103 440 5 - Pressure In the suit when measured at the maximum air flow when suit connected under 5.5 bar (77psig) feeding pressure (paragraph 4.12.of the EC Examination Type)
Suit n 1
2 Exercise P ave! P min/ Pmax P ave; P min, P Max.
daPa.
daPa Standing still 40 38 Walking ( 5 km/h) 40 23 74 100 61 128 Moving arms up and down 40 17 62 46 18 72 above head Continuous squats 42 4
86 56 3
110 Bending forward 52 3
104 74 0
162 Person twisting at waist 38 18 58 46 20 110 Person crawling 37
=
40 For Information: Both overboots are breaked at the end of the test
Page 3 of 3 6 Over Pressure and fit factor when person crawling on the floof as indicated in paragraph 4.12 and 5.2.2 of the or EN 1073-idated 1995 Suit number Crawling exercise Average DP Minimum DP Maximum DP Fit Factor daPa daPa daPa 1
52 12 90 110 000 2
65 3
102 105 000 7 Screen:( paragraph 5.2.5 )
- Distortion of the vision: none
- Mechanical resistance: no incidence on the screen.
SUPPLEMENT 5.5 CNRO-2004-00075, Attachment I DONNING AND REMOVAL INSTRUCTIONS FOR MURUROA V4 MTH2
NO/841 442T INDICE: e M.T.H.2 DATE: 12/00 PAGE: 1/1 INSTRUCTIONS FOR USE Preliminary remarks: This clothing Is to be used under the authority of the person responsible for Issuing the equipment for its dedicated use:
- the clothing offers the necessary protection for it's Intended use.
- Breathable air network, hoses with connectors compatible with that of the clothing, are actually available on site and that they are capable of supplying a sufficient quantity of air:
minimum flow rate 500 liters/min. +1-10% at 6 Bars; (17 cfm at 85 psig) maximum flow rate 1100 liters/min. +/- 10% at 6 Bars; (38cfm at 85 psig)
DRESSING
- The wearer, with a helper, visually inspects the condition of the garment and its components, then removes the shipping protection (cardboard on the visor and Inside the garment, and removable 'plastic protection' from the visor).
- He enters through the rear opening of the garment and Insures that his legs are in the garment.
- Connects to the breathable air network by passing the supply line through the loop at the rear of the garment, at the same height as the supply valve.
- Connects,a communication device, If applicable, through the safety loop and communication loop and finishes dressing.
-The helper zips up the dual zipper system and applies a large strip of adhesive tape to the upper extremity of the second zipper at the top to ensure air tightness. He then, ties the over boot laces around the ankles.
- The wearer can control the air supply by turning the adjustment knob. The correct functioning of the supply flow valve and the over pressure valves can be verified by crouching down rapidly a few times.
- He then Is free to enter the work zone.
UNDRESSING
- Undressing may be done in the following manner. While the garment Is still being supplied with air, the helper pulls on the orange undressing strip, which runs from one wrist to the other over the hood. Once the undressing strip is removed, the helper can split the suit shell by pulling on the hooded area and separating the suit Into two Identical pieces. The helper rolls up the front and rear parts In a way that traps the contamination and avoids all contact with the wearer of the garment. (Please consult our video for detailed undressing techniques).
IMPORTANT
- Leave the work zone Immediately If the clothing deflates during the work phase evolution.If the helmet fogs, or if the person has a feeling of excessive warmth.
- Remember that the clothing remains pressurised for a few minutes In case of an air supply failure STORAGE In the original packaging; out of the light; between + 5°C and + 450C.( 41PF and 1130F)
USAGE The air supply should be between + 1 50C and + 450C. ( 590F and 11 31F)
EXPIRY DATE The clothing should be used by the third year from the date of manufacture.
CLEANING Not necessary for this type of equipment which is for a single use only.
EMERGENCY FEATURES
- Air outside of the garment can be breathed by removing the safety strip at the front of the helmet/hood.
- The undressing strip, removed by the wearer, enables the wearer to self escape t in less than 5 seconds.
- Breathable air: see the EN 132 standard.
ATTACHMENT 2 CNRO-2004-00075 List of Regulatory Commitments to CNRO-2004-00075 Page 1 of 1 List of Regulatory Commitments The following table identifies those actions committed to by Entergy in this document. Any other statements in this submittal are provided for Information purposes and are not considered to be regulatory commitments.
TYPE ICheck one)
SCHEDULED ONE-CONTINUING COMPLETION COMMITMENT TIME COMPLIANCE DATE (If ACTION Required)
The Mururoa V4 MTH2 single use suit will be Before use of integrated into the applicable Entergy respiratory Mururoa suit programs using the information provided by the X
manufacturer.
New lesson plans will be developed to train workers Before use of on Mururoa's features, donning, use and removal, Mururoa suit cautions and use of mouth strip and tear off strips X
for routine and emergency egress.
Radiation Protection personnel will be provided Before use of additional training for selection, approval, issue, Mururoa suit equipment set-up, operation and maintenance instructions for the Mururoa suit.
An explanation of when standby rescue personnel Before use of will be required will be clearly explained In Entergy X
Mururoa suit procedures.
Entergy understands that this is a single use suit Before use of and will discard each suit after a single use.
X Mururoa suit