PRAXAIR INC -- HYDROSTAR H-5, H-10, H-35 SHIELDING GASES
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Material Safety Data Sheet
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MSDS Num: CJPGS
MSDS NAME: HYDROSTAR H-5, H-10, H-35 SHIELDING GASES
Responsible Party
Name: PRAXAIR INC
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Info Phone: 800-772-9257
Emergency Phone Number: 800-645-4633
Resp. Party Other MSDS No.: P-4861-C
Chemtrec IND/Phone: (800)424-9300
Review Ind: Y
Published: Y
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Contractor Summary
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Name: PRAXAIR, INC.
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Phone: 800-772-9247; 800-PRAXAIR
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Item Description Information
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Ingredients
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Cas: 1333-74-0
RTECS #: MW8900000
Name: HYDROGEN (SIMPLE ASPHYXIANT)
% low Wt: 3.
% high Wt: 35.
Other REC Limits: N/K (FP N)
OSHA PEL: N/K (FP N)
OSHA STEL: N/K (FP N)
ACGIH TLV: 5 MG/M3
ACGIH STEL: N/K (FP N)
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Cas: 7440-37-1
RTECS #: CF2300000
Name: ARGON (SIMPLE ASPHYXIANT)
% low Wt: 65.
% high Wt: 90.
Other REC Limits: N/K (FP N)
OSHA PEL: N/K (FP N)
OSHA STEL: N/K (FP N)
ACGIH TLV: 5 MG/M3
ACGIH STEL: N/K (FP N)
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Health Hazards Data
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Route Of Entry Inds - Inhalation: YES
Skin: YES
Ingestion: NO
Carcinogenicity Inds - NTP: NO
IARC: NO
OSHA: NO
Effects of Exposure: ACUTE: INHAL: ASPHY. EFTS ARE DUE TO LACK OF OXYGEN. MOD
CONCS MAY CAUSE HDCH, DROW, DIZZ, EXCITATION, EXCESS SALIVATION, VOMIT, &
UNCON. LACK OF OXYGEN CAN KILL. SKIN: NO HARM EXPECTED. INGEST: THIS PROD IS
A GAS AT NORM TEMP & PRESS. EYES: NO HARM EXPECTED. GASES, FUMES, &
DUSTS MAY CAUSE IRRIT TO EYES, LUNGS, NOSE, & THROAT. SOME TOX GASES
ASSOC W/WELDING & RELATED PROCESSES MAY CAUSE PULM EDEM A, ASPHY, &
DEATH. ACUTE OVEREXP MAY INCL SIGNS & SYMPS SUCH AS WATERY EYES, NOSE
& THROAT IRRIT, HDCH, DIZZ, DFCLTY BRTHG, FREQUENT COUGHING/CHEST PAINS.
(EFTS OF OVEREXP)
Explanation Of Carcinogenicity: NONE OF THE COMPONENTS OF THIS MIXTURE IS
LISTED.
Signs And Symptions Of Overexposure: HLTH HAZ: CHRONIC: NO HARM EXPECTED.
PROTRACTED INHAL OF AIR CONTAMINANTS MAY LEAD TO THEIR ACCUM IN LUNGS, A
CNDTN THAT MAY BE SEEN AS DENSE AREAS ON CHEST X-RAYS. SEV OF CHANGE IS
PROPORTIONAL TO LE NGTH OF EXPOS. CHANGES SEEN ARE NOT NEC ASSOC W/SYMPS OR
SIGNS OF REDUCED LUNG FUNC/DISEASE. IN ADDN, CHANGES ON X-RAYS MAY BE CAUSED
BY NON-WORK-RELATED FACTORS SUCH AS SMKNG, ETC. OTHER EFTS OF OVER EXP: THIS
MIXT IS AN ASPHY. LACK OF OXYGEN CAN KILL. SIGNIFICANT LAB DATA W/POSS
RELEVANCE TO HUMAN HLTH HAZ EVALUATION: NONE KNOWN.
Medical Cond Aggravated By Exposure: THE TOXICOLOGICAL AND THE PHYSICAL AND
CHEMICAL PROPERTIES OF THE MIXTURE COMPONENTS SUGGEST THAT OVEREXPOSURE IS
UNLIKELY TO AGGRAVATE EXISTING MEDICAL CONDITIONS.
First Aid: INHAL: REMOVE TO FRESH AIR. IF NOT BRTHG, GIVE ARTIFICIAL RESP. IF
BRTHG IS DIFFICULT, QUALIFIED PERS MAY GIVE OXYGEN. CALL MD. SKIN: FLUSH
W/WATER. INGEST: HIGHLY UNLIKELY ROUTE OF EXPOS. THIS PROD I S A GAS AT NORM
TEMPERATURE & PRESSURE. CALL MD IMMED (FP N). EYES: FLUSH W/WATER FOR AT
LEAST 15 MINS. HOLD EYELIDS OPEN & AWAY FROM EYEBALLS TO ENSURE THAT ALL
SURFACES ARE FLUSHED THORO. IF DISCOMF ORT PERSISTS, SEEK MED ATTN. NOTES TO
MD: THERE IS NO SPECIFIC ANTIDOTE. THIS PROD IS INERT. TREATMENT OF OVEREXP
SHOULD BE DIRECTED AT CONTROL OF SYMPTOMS & CLINICAL CONDITION.
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Handling and Disposal
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Spill Release Procedures: DANGER! FLAMM, HIGH-PRESS GAS. FORMS EXPLOSIVE
MIXTURES W/AIR. IMMED EVACUATE ALL PERS FROM DANGER AREA. USE NIOSH APPRVD
SCBA WHERE NEEDED. REMOVE ALL SOURCES OF IGNIT IF W/OUT RISK. REDUCE GAS
W/FOG OR FINE WATER SPRAY. SHUT OFF FLOW IF W/OUT RISK. VENT AREA/MOVE
CYLINDER TO WELL-VENTILATED AREA. FLAMM GAS MAY SPREAD FROM LEAK. BEFORE
ENTERING AREA, ESP CONFINED AREAS, CHECK ATM W/APPROP DEVICE.
Waste Disposal Methods: PVNT WASTE FROM CONTAM SURROUNDING ENVIRON. KEEP PERS
AWAY. DISCARD PROD, RESIDUE, DISP CONTR/LINER IN ENVIRON-ACCEPTABLE MANNER,
I/A/W FED, STATE & LOC REGS. IF NEC, CALL LOC SUPP FOR ASSIST. DO NOT
ATTEMPT TO DISP OF RESIDUAL/UNUSED QTYS. RETURN CYL TO SUPP. FOR EMER DISP,
SECURE CYL IN WELL-VENTD AREA/OUTDOORS, THEN SLOWLY DISCHARGE GAS TO ATM.
Handling And Storage Precautions: STORE & USE W/ADEQ VENT. SEPARATE
HYDROGEN CYLS FROM OXYGEN, CHLORINE, & OTHER OXIDIZERS BY AT LEAST 20
FEET/USE BARRICADE OF NON-COMBUST MATL. BARRICADE SHOULD BE AT LST 5 FEET
HIGH & HAVE FIRE RESIS T RATING OF AT LST 1/2 HR. FIRMLY SECURE CYLS
UPRIGHT TO KEEP THEM FROM FALLING/BEING KNOCKED OVER.
Other Precautions: SCREW VALVE PROT CAP FIRMLY IN PLACE BY HAND. POST "NO
SMKNG/OPEN FLAMES" SIGNS IN STOR & USE AREAS. THERE MUST BE NO SOURCES OF
IGNIT. ALL ELEC EQUIP IN STOR AREAS MUST BE EXPLO-PROOF. STOR AREAS MUS T
MEET NATL ELEC CODES FOR CLASS I HAZ AREAS. STORE ONLY WHERE TEMP WILL NOT
EXCEED 125F (52C). (TOX INFO)
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Fire and Explosion Hazard Information
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Flash Point Text: FLAM GAS MIXTURE
Lower Limits: SUP DAT
Upper Limits: 75% (ALL)
Extinguishing Media: CARBON DIOXIDE, DRY CHEMICALS, WATER SPRAY, OR FOG.
Fire Fighting Procedures: WEAR NIOSH APPRVD SCBA & FULL PROT EQUIP (FP N).
DANGER! FLAM HIGH-PRESS GAS. ASPHY. EFTS ARE DUE TO LACK OF OXYGEN. EVACUATE
ALL PERS FROM DANGER AREA. IMMED DELUGE CYLS W/WATER FROM MAX DIST UNTIL C
OOL, THEN MOVE AWAY FROM FIRE AREA IF W/OUT RISK. CONTINUE COOLING W/WATER
SPRAY WHILE MOVING CYLS. (SUP DAT)
Unusual Fire/Explosion Hazard: FLAM GAS. FLAME IS NEARLY INVISIBLE. ESCAPING
GAS MAY IGNITE SPONT. HYDROGEN GAS HAS LOW IGNIT ENERGY. FIREBALL FORMS IF
GAS CLOUD IGNITED IMMED AFTER RELEASE. FORMS EXPLO MIXTS W/AIR &
OXIDIZING AGEN TS. HEAT OF FIRE CAN BUILD PRESS IN CYL & CAUSE IT TO
RUPTURE. CYLS CONTAINING THIS MIXT ARE EQUIPPED W/PRESS (SUP DAT)
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Control Measures
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Respiratory Protection: USE NIOSH APPRVD AIR-PURIFYING/AIR-SUPPLIED RESPS, AS
APPROP, WHERE LOCAL/GENERAL EXHAUST VENT IS INADEQUATE. ADEQUATE VENT MUST
KEEP WORKER EXPOS BELOW APPLIC TLV'S FOR FUMES, GASES & OTHER BY-PRODS
OF WELDING W/THIS MIXT. A NIOSH APPRVD AIR-SUPPLIED RESP MUST BE USED IN
CONFINED SPACES. RESP PROT MUST CONFORM TO OSHA RULES AS SPECIFIED IN 29 CFR
1910.134.
Ventilation: USE EXPLO-PROOF LOC EXHST SYS, IF NEC, TO PVNT OXYGEN DEFICIENCY
& KEEP HAZ FUMES & GASES BELOW APPLIC TLV'S IN WORKER'S BRTHG ZONE.
(TOX INFO)
Protective Gloves: WEAR WORK GLOVES WHEN HANDLING CYLINDERS; WELDING GLOVES FOR
WELDING.
Eye Protection: ANSI APPROVED CHEMICAL WORKERS GOGGLES (FP N).
Other Protective Equipment: ANSI APPROVED EMERGENCY EYEWASH AND DELUGE SHOWER
(FP N). METATARSAL SHOES FOR CYLINDER HANDLING. SELECT IN ACCORDANCE WITH
OSHA 29 CFR 1910.132 AND 1910.133. FOR WELDING SEE HANDLING & STORAGE
SECTION.
Work Hygienic Practices: REGARDLESS OF PROTECTIVE EQUIPMENT, NEVER TOUCH LIVE
ELECTRICAL PARTS.
Supplemental Safety and Health: LEL: 40% (H-10) TO 11.4% (H-35). FIRE FIGHT
PROC: DO NOT EXTING ANY FLAMES EMITTED FROM CYLS; ALLOW THEM TO BURN OUT.
ON-SITE FIRE BRIGADES MUST COMPLY W/OSHA 29 CFR 1910.156. EXPLO HAZ: RELIEF
DEVICE . (EXCEPTIONS MAY EXIST WHERE AUTHORIZED BY DOT.) NO PART OF CYL
SHOULD BE SUBJECTED TO TEMP >125F (52C). (OTHER INFO)
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Physical/Chemical Properties
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B.P. Text: N/A @ 1 ATM
M.P/F.P Text: N/A @ 1 ATM
Vapor Pres: N/A @ 68F (20C)
Spec Gravity: 0.92-1.25 @ 70F & 1 ATM
Evaporation Rate & Reference: GAS, N/A
Solubility in Water: NEGLIGIBLE
Appearance and Odor: COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE AND
PRESSURE.
Percent Volatiles by Volume: 100
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Reactivity Data
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Stability Indicator: YES
Stability Condition To Avoid: NONE KNOWN.
Materials To Avoid: NONE KNOWN.
Hazardous Decomposition Products: ARC PROCESS MAY GIVE OFF SUCH GASES AS CARBON
MONOXIDE & CARBON DIOXIDE. ARC RADIA MAY FORM OZONE & NITROGEN OXIDES. OTHER
DECOMP PRODS OF ARC WELDING & CUTTING FORM WHEN MATL (CNDTNS TO AVOID
(POLYM))
Hazardous Polymerization Indicator: NO
Conditions To Avoid Polymerization: HAZ DECOMP PRODS: BEING WORKED
VAPORIZES/REACTS W/OTHER MATLS INCLUDING OXYGEN, I.E. OXIDIZES.
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Toxicological Information
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Toxicological Information: THIS MIXT IS A SIMPLE ASPHY. VENT: GEN EXHST VENT
MAY BE ACCEPTABLE IF IT CAN MAINTAIN ADEQ SUPPLY OF AIR & KEEP HAZ FUMES
& GASES BELOW APPLIC TLV'S IN WORKER'S BRTHG ZONE. SPECIAL/OTHER: NONE.
OTHER PREC: STORE FULL & EMPTY CYLS SEPARATELY. USE FIRST-IN, FIRST-OUT
INVENTORY SYS TO PVNT STORING FULL CYLS FOR LONG PERIODS. FOR FULL DETAILS
& REQS, SEE NFPA 50A, PUBLISHED BY NFPA. PROT CYLS FROM DM G. USE
SUITABLE HAND TRUCK TO MOVE CYLS; DO NOT DRAG, ROLL, SLIDE/DROP. HYDROGEN IS
LIGHTEST KNOWN GAS. IT MAY LEAK OUT OF SYS THAT ARE AIR-TIGHT FOR OTHER GASES
& MAY COLLECT IN POORLY VENTD UPPER RE ACHES OF BLDGS. (ECOLOGICAL INFO)
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Ecological Information
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Ecological: NO ADVERSE ECOLOGICAL EFTS EXPECTED. THIS MIXT DOES NOT CONTAIN ANY
CLASS I/CLASS II OZONE-DEPLETING CHEMS. NONE OF COMPONENTS OF THIS MIXT IS
LISTED AS MARINE POLLUTANT BY DOT. TOX INFO: ALL PIPED HY DROGEN SYS &
ASSOC EQUIP MUST BE GROUNDED. ELEC EQUIP MUST BE NON-SPKG/EXPLO-PROOF. LEAK
CHECK SYS W/SOAPY WATER; NEVER USE FLAME. DO NOT CRACK HYDROGEN CYL VALVED
BEFORE OPENING THEM; ESCAPING GAS MA Y IGNITE SPONT. NEVER ATTEMPT TO LIFT
CYL BY ITS CAP; CAP IS INTENDED SOLELY TO PROT VALVE. NEVER INSERT OBJECT
(E.G., WRENCH, SCREWDRIVER, PRY BAR) INTO CAP OPENINGS; DOING SO MAY DMG
VALVE & CAUSE L EAK. (SARA REGS)
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MSDS Transport Information
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Regulatory Information
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Sara Title III Information: SECTIONS 302/304: TPQ: NONE. EXTREMELY HAZ
SUBSTANCES (40 CFR 355): NONE. SECTIONS 311/312: HAZ CATEGORIES: IMMED: NO;
DELAYED: NO; PRESS: YES; REACTIVITY: NO; FIRE: NO. SECTION 313: NONE OF
COMPONENT S OF THIS MIXT REQUIRES REPORTING UNDER SECTION 313. ECOLOGICAL
INFO: USE ADJUSTABLE STRAP WRENCH TO REMOVE OVER-TIGHT/RUSTED CAPS. OPEN
VALVE SLOWLY. IF VALVE IS HARD TO OPEN, DISCONTINUE USE & CONT YOUR
SUPPLIER. NEVER STRIKE ARC ON COMPRESSED GAS CYL/MAKE CYL A PART OF ELEC
CIRCUIT. USING THIS MIXT IN WELDING & CUTTING MAY CREATE ADDNL HAZS:
FUMES & GASES CAN BE DANGEROUS TO YOUR HLTH & MAY CAU SE SERIOUS LUNG
DISEASE. (STATE REGS)
Federal Regulatory Information: THE FOLLOWING SELECTED REGULATORY REQS MAY
APPLY TO THIS PROD. NOT ALL SUCH REQS ARE IDENTIFIED. USERS OF THIS PROD ARE
SOLELY RESPONSIBLE FOR COMPLIANCE W/ALL APPLIC FED, STATE, & LOC REGS.
EPA: CERC LA: RQ: NONE. 40 CFR 68: RISK MANAGEMENT PROGRAM FOR CHEM
ACCIDENTAL RELEASE PREVENTION: HYDROGEN COMPONENT IS LISTED AS REGULATED
SUBSTANCE IN QTYS OF 10,000 LBS (4553 KG)/MORE. TSCA: COMPONENTS OF T HIS
MIXT ARE LISTED ON TSCA INVENTORY.
OSHA: 29 CFR 1910.119: NONE OF COMPONENTS OF THIS MIXT IS LIS TED IN APPENDIX A
AS HIGHLY HAZ CHEM.
State Regulatory Information: CALIFORNIA: NONE OF COMPONENTS OF THIS MIXT IS
LISTED BY CALIFORNIA UNDER SAFE DRINKING WATER TOX ENFORCEMENT ACT OF 1986
(PROPOSITION 65). PENNSYLVANIA: THIS PROD IS SUBJECT TO PENNSYLVANIA WORKER
& COMMUNITY RIGHT-TO-KNOW ACT (35 P.S. SECTIONS 7301-7320). SARA REGS:
KEEP HEAD OUT OF FUMES. DO NOT BREATHE FUMES & GASES. USE ENOUGH VENT,
LOC EXHST/BOTH TO KEEP FUMES & GASES FROM BRTHG ZONE & GEN A REA.
FUMES & GASES CANNOT BE CLASSIFIED SIMPLY. AMT & TYPE DEPEND ON METAL
BEING WORKED & PROCESS, P ROC, EQUIP, & SUPPLIES USED. POSS DANGEROUS
MATLS MAY BE FOUND IN FLUXES, ELECTRODES, & OTHER MATLS. PLEASE CONT NEHC
FOR MORE INFO (FP N).
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Other Information
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Other Information: NFPA RATINGS: HLTH=0; FLAMM=4; REACTIVITY=0; SPECIAL=SA (CGA
RECOMMENDS THIS RATING TO DESIGNATE SIMPLE ASPHY). RATINGS: HLTH=0; FLAMM=4;
REACTIVITY=0. SUP DAT: IF VENTING/LEAKING HYDROGEN CATCHE S FIRE, DO NOT
EXTING FLAMES. FLAM GAS MAY SPREAD FROM LEAK, CREATING EXPLO RE-IGNIT HAZ.
VAPS CAN BE IGNITED BY PILOT LIGHTS, OTHER FLAMES, SMKNG, SPKS, HEATERS, ELEC
EQUIP, STATIC DISCHARGE/OTHER IG NIT SOURCES AT LOCATIONS DISTANT FROM PROD
HNDLG POINT. EXPLO ATMS MAY LINGER. BEFORE ENTERING AREA, ESP CONFINED AREAS,
CHECK ATM W/APPRVD DEVICE. HAZ COMBUST PRODS: NONE KNOWN.
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HAZCOM Label
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MSDS NAME: HYDROSTAR H-5, H-10, H-35 SHIELDING GASES
Company: PRAXAIR, INC.
Street: 39 OLD RIDGEBURY RD
City: DANBURY CT
Zipcode: 06810-5113
Health Emergency Phone: 800-645-4633
Label Required IND: Y
Date Of Label Review: 10/07/1999
Status Code: A
Origination Code: F
Chronic Hazard IND: Y
Eye Protection IND: YES
Skin Protection IND: YES
Signal Word: DANGER
Respiratory Protection IND: YES
Health Hazard: Severe
Contact Hazard: None
Fire Hazard: Severe
Reactivity Hazard: None
Hazard And Precautions: FLAMMABLE GAS. ACUTE: INHAL: ASPHY. EFTS ARE DUE TO
LACK OF OXYGEN. MOD CONCS MAY CAUSE HDCH, DROW, DIZZ, EXCITATION, EXCESS
SALIVATION, VOMIT, & UNCON. LACK OF OXYGEN CAN KILL. SKIN: NONE EXPECTED.
I NGEST: PROD IS A GAS AT NORM TEMP & PRESS. EYES: NONE EXPECTED. GASES,
FUMES, & DUSTS MAY CAUSE IRRIT TO EYES, LUNGS, NOSE, & THROAT. SOME
TOX GASES ASSOC W/WELDING & RELATED PROCESSES MAY CAUSE PULM EDEMA,
ASPHY, & DEATH. SIGNS & SYMPS MAY INCL WATERY EYES, NOSE & THROAT
IRRIT, HDCH, DIZZ, DFCLTY BRTHG, FREQUENT COUGHING/CHEST PAINS. CHRONIC: NO
HARM EXPECTED. PROTRACTED INHAL OF AIR CONTAMS MAY LEAD TO THEIR ACCUM IN
LUNGS.
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Disclaimer (provided with this information by the compiling agencies): This
information is formulated for use by elements of the Department of Defense.
The United States of America in no manner whatsoever expressly or implied
warrants, states, or intends said information to have any application, use or
viability by or to any person or persons outside the Department of Defense
nor any person or persons contracting with any instrumentality of the United
States of America and disclaims all liability for such use. Any person
utilizing this instruction who is not a military or civilian employee of the
United States of America should seek competent professional advice to verify
and assume responsibility for the suitability of this information to their
particular situation regardless of similarity to a corresponding Department
of Defense or other government situation.
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