PRAXAIR, INC. -- METHANE
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Material Safety Data Sheet
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MSDS Num: CLFQS
MSDS NAME: METHANE
Responsible Party
Name: PRAXAIR, INC.
Address: 39 OLD RIDGEBURY RD
City: DANBURY CT 06810-5113
Info Phone: 800-772-9247; 800-PRAXAIR
Emergency Phone Number: 800-645-4633
Resp. Party Other MSDS No.: FORM NO. P-4618-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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Ingredients
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Cas: 74-82-8
RTECS #: PA1490000
Name: METHANE
> Wt: 99.
OSHA PEL: NONE ESTABLISHED
ACGIH TLV: SIMPLE ASPHYXIANT
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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: EMERGENCY OVERVIEW: DANGER! FLAMMABLE HIGH PRESSURE GAS.
MAY FORM EXPLOSIVE MIXTURES WITH AIR. MAY CAUSE DIZZINESS & DROWSINESS.
SELF-CONTAINED BREATHING APPARATUS MAY BE REQUIRED BY RESCUE WORKERS. E
FFECTS OF A SINGLE (ACUTE) OVEREXPOSURE: INHALATION- ASPHYXIANT. EFFECTS ARE
DUE TO LACK OF OXYGEN. MODERATE CONCENTRATIONS MAY CAUSE HEADACHE,
DROWSINESS, DIZZINESS, EXCITATION, EXCESS SALIVATION, VO MITING, AND
UNCONSCIOUSNESS. LACK OF OXYGEN CAN KILL. SKIN CONTACT-NO HARM EXPECTED.
SWALLOWING-AN UNLIKELY ROUTE OF EXPOSURE. EYE CONTACT-NO HARM EXPECTED.
EFFECTS OF REPEATED (CHRONIC) OVEREXPOSURE: NO HARM (EFFECTS OF
OVEREXPOSURE)
Explanation Of Carcinogenicity: METHANE IS NOT LISTED BY NTP, OSHA, OR IARC.
Signs And Symptions Of Overexposure: HEALTH HAZARDS ACUTE AND CHRONIC (CONT'D):
EXPECTED. OTHER EFFECTS OF OVEREXPOSURE: METHANE IS AN ASPHYXIANT. LACK OF
OXYGEN CAN KILL. SIGNIFICANT LABORATORY DATA WITH POSSIBLE RELEVANCE TO HUMAN
HEAL TH HAZARD EVALUATION: NONE KNOWN. FIREFIGHT PROC (CONT'D): AREA IF W/O
RISK; CONTINUE COOLING WATER SPRAY WHILE REMOVING CYLINDERS. DO NOT EXTING
FLAMES EMITTED FROM CYLINDERS; STOP FLOW OF GAS IF W/O RISK, OR ALLOW FLAMES
TO BURN OUT. NIOSH-APPROVED SCBA MAY BE REQUIRED BY RESCUE WORKERS. ON-SITE
BRIGADES MUST COMPLY WITH OSHA 29CFR 1910.156.
Medical Cond Aggravated By Exposure: THE TOXICOLOGY AND THE PHYSICAL AND
CHEMICAL PROPERTIES OF METHANE SUGGEST THAT OVEREXPOSURE IS UNLIKELY TO
AGGRAVATE EXISTING MEDICAL CONDITIONS.
First Aid: INHALATION: REMOVE TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF NOT
BREATHING. IF BREATHING IS DIFFICULT, QUALIFIED PERSONNEL MAY GIVE OXYGEN.
CALL A PHYSICIAN. SKIN CONTACT: WASH WITH SOAP AND WATER. SWALLOWING: AN
UNLIKELY ROUTE OF EXPOSURE. THIS PRODUCT IS A GAS AT NORMAL TEMPERATURE &
PRESSURE. EYE CONTACT: FLUSH EYES WITH WARM WATER. HOLD THE EYELIDS OPEN AND
AWAY FROM THE EYEBALLS TO ENSURE THAT ALL SURFACES ARE FLUSHED THOROUGHLY.
NOTES TO PHYSICIAN: THERE IS NO SPECIFIC ANTIDOTE. TREATMENT OF OVEREXPOSURE
SHOULD BE DIRECTED AT THE CONTROL OF SYMPTOMS AND THE CLINICAL CONDITION OF
THE P ATIENT.
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Handling and Disposal
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Spill Release Procedures: DANGER! FLAMMABLE HIGH PRESSURE GAS. FORMS EXPLOSIVE
MIXTURES W/AIR. (SEE FIRE & EXPL HAZARDS). IMMEDIATELY EVACUATE ALL
PERSONNEL FROM DANGER AREA. USE SCBA WHERE NEEDED. REMOVE ALL SOURCES OF
IGNITI ON IF WITHOUT RISK. REDUCE VAPORS WITH FOG OR FINE H2O SPRAY. SHUT OFF
FLOW IF WITHOUT RISK. VENT AREA OR MOVE CYLINDER TO A WELL-VENT AREA.
FLAMMABLE VAPORS MAY SPREAD FROM LEAK. (NEUT AGENT)
Neutralizing Agent: N/P. SPILL (CONT'D): BEFORE ENTERING AREA, ESPECIALLY
CONFINED AREAS, CHECK ATMOSPHERE WITH AN APPROVED DEVICE.
Waste Disposal Methods: PREVENT WASTE FROM CONTAM THE SURROUNDING ENVIRON. KEEP
PERSONNEL AWAY. DISCARD ANY PROD, RESIDUE, DISPOSABLE CONTAINER OR LINER IN
AN ENVIRON ACCEPTABLE MANNER, IN FULL COMPLIANCE WITH FED, STATE, &
LOCAL REGS. IF NECESSARY, CALL LOCAL SUPPLIER FOR ASSISTANCE. DO NOT ATTEMPT
TO DISPOSE OF RESIDUAL OR UNUSED QUANTITIES. RETURN CYLINDER TO SUPPLIER.
Handling And Storage Precautions: STORE & USE W/ADEQUATE VENT. SEPARATE
METHANE CYLINDERS FROM OXYGEN, CHLORINE, & OTHER OXIDIZERS BY AT LEAST
20FT OR USE A BARRICADE OF NON-COMBUSTIBLE MATERIAL. BARRICADE SHOULD BE AT
LEAST 5FT HIGH & HAVE A FIRE RESIST RATING OF AT LEAST 1/2 HOUR. FIRMLY
SECURE CYLINDERS UPRIGHT TO (OTHER PREC)
Other Precautions: HAND/STOR (CONT'D): THEM FROM FALLING/BEING KNOCKED OVER.
SCREW VALVE PROTECTION CAP FIRMLY IN PLACE BY HAND. POST 'NO SMOKING OR OPEN
FLAMES' SIGNS IN STORAGE & USE AREAS. THERE MUST BE NO SOURCES OF
IGNITION. ALL ELECTRICAL EQUIP IN STORAGE AREA MUST BE EXPLOSION PROOF.
STORAGE AREA MUST MEET NATI ONAL (TOXICOLOGICAL)
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Fire and Explosion Hazard Information
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Flash Point Method: TCC
Flash Point: =-187.6C, -306.F
Autoignition Temp: =537.2C, 999.F
Lower Limits: 5% BY VOLUME
Upper Limits: 15% BY VOL
Extinguishing Media: CO2, DRY CHEMICAL, WATER SPRAY, OR FOG. FEDERAL REGS
(CONT'D): AT FACILITIES THAT MANUFACTURE, USE, STORE OR OTHERWISE HANDLE
REGULATED SUBSTANCES IN QTY THAT EXCEED SPECIFIED LMIT.
Fire Fighting Procedures: USE NIOSH APPROVED SCBA & FULL PROTECTIVE EQUIP
(FP N). DANGER! FLAMM HIGH PRESSURE GAS. EVACUATE ALL PERSONNEL FROM DANGER
AREA. IMMED SPRAY CYLINDERS W/H2O FROM MAX DISTANCE UNTIL COOL, TAKING CARE
NOT TO EXTINGUISH FLAMES. REMOVE SOURCES OF IGNITION IF W/OUT RISK. REMOVE
ALL CYLINDERS FIRE (OVEREXPOSURE).
Unusual Fire/Explosion Hazard: FLAMMABLE GAS. FORMS EXPLOSIVE MIX W/AIR &
OXIDIZING AGENTS. HEAT OF FIRE CAN BUILD PRESSURE IN CYLINDER & CAUSE IT
TO RUPTURE. NO PART OF A CYLINDER SHOULD BE SUBJECTED TO TEMP HIGHER THAN
125F(52C). METHANE CYLINDERS ARE EQUIPPED W/PRESSURE-RELIEF DEVICE.
(EXCEPTIONS MAY EXIST WHERE AUTHORIZED BY DOT). (RESP PROT)
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Control Measures
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Respiratory Protection: A NIOSH RESPIRATOR APPROPRIATE FOR THE EXPOSURE OF
CONCERN (FP N).RESPIRATORY PROTECTION MUST CONFORM TO OSHA RULES AS SPECIFIED
IN 29 CFR 1910.134. UNUSUAL FIRE HAZ (CONT'D): IF VENTING/LEAKING METHA NE
CATCHES FIRE, DO NOT EXTING FLAMES. FLAMM GAS MAY SPREAD FROM LEAK CREATING
EXPLOS RE-IGNITION HAZ. VAPORS CAN BE IGNITED BY PILOT LIGHT, OTHER
(REACTIVITY)
Ventilation: AN EXPLOSION-PROOF LOCAL EXHAUST SYSTEM IS ACCEPTABLE. SEE
SPECIAL. MECHANICAL (GENERAL) INADEQUATE. SPECIAL: USE ONLY IN A CLOSED
SYSTEM. OTHER: NONE.
Protective Gloves: IMPERVIOUS GLOVES (FP N). (HYGENIC PRACTICES)
Eye Protection: ANSI APPROVED CHEMICAL WORKER GOGGLES & FULL FACESHIELD (FP N).
(HYGENIC PRAC).
Other Protective Equipment: METATARSAL SHOES FOR CYLINDER HANDLING. SELECT IN
ACCORDANCE WITH OSHA 29 CFR 1910.132 & 1910.133. REGARDLESS OF PROTECTIVE
EQUIPMENT, NEVER TOUCH LIVE ELECTRICAL PARTS.
Work Hygienic Practices: N/P. GLOVES (CONT'D): WEAR WORK GLOVES FOR CYLINDER
HANDLING AND TO PREVENT EXPOSURE TO LIQUID. EYE PROTECTION (CONT'D):SELECT IN
ACCORDANCE WITH OSHA 29 CFR 1910.133.
Supplemental Safety and Health: NFPA: HEALTH-1, FLAMMABILITY-4, REACTIVITY-0,
SPECIAL- SA (CGA RECOMMENDS THIS TO DESIGNATE SIMPLE ASPHYXIANT. : HEALTH-0,
FLAMMABILITY-4, REACTIVITY-0. SYNONYMS: MARSH GAS, METHYL HYDRIDE, FIRE
DAMP, SEWER GAS.
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Physical/Chemical Properties
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Boiling Point: =-161.4C, -258.6F
B.P. Text: -258.68F(-161.48C)
Melt/Freeze Pt: =-182.6C, -296.7F
M.P/F.P Text: -296.7F(-182.61C)
Spec Gravity: .55491(AIR=1)@ 60F & 1ATM
Evaporation Rate & Reference: (BUTYL ACETATE=1): HIGH
Solubility in Water: VOL/VOL@100F,37.8C:SLIGHT
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: N/P. RESP PROT(CONT'D): FLAMES, SMOKING, SPARK,
HEATER, ELEC EQUIP, STATIC DISCHARGE, OTHER IGNIT SOURCES AT LOCATIONS
DISTANT FROM PROD HANDLING POINT. EXPLOS ATMOSPHERE MAY LINGER.
Materials To Avoid: OXIDIZING AGENTS. MIXTURES WITH BROMINE PENTAFLUORIDE,
CHLORINE AND YELLOW MECURIC OXIDE, NITROGEN TRIFLUORIDE, LIQUID OXYGEN, OR
OXYGEN DIFLUORIDE MAY EXPLODE.
Hazardous Decomposition Products: THERMAL DECOMPOSITION & BURNING MAY PRODUCE
CO/CO*2. AT TEMPERATURES EXCEEDING 700C & IN THE ABSENCE OF OXYGEN OR AIR,
METHANE MAY DECOMPOSE TO FORM HYDROGEN. HAZARDOUS COMBUSTION PRODUCTS: CO,
CO*2.
Hazardous Polymerization Indicator: NO
Conditions To Avoid Polymerization: NONE KNOWN.
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Toxicological Information
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Toxicological Information: NO INFO AVAIL. OTHER PREC (CONT'D): ELECTRICAL
CODES FOR CLASS 1 HAZARDOUS AREAS. STORE ONLY WHERE TEMP WILL NOT EXCEED
125F(52C). STORE FULL & EMPTY CYLINDERS SEPARATELY. USE A FIRST-IN,
FIRST-OUR I NVENTORY SYSTEM TO PREVENT STORING FULL CYLINDERS FOR LONG
PERIODS. FOR FULL DETAILS & REQ, SEE NFPA 50A. PROTECT CYLINDERS FROM
DMG. USE SUITABLE HAND TRUCK TO MOVE CYLINDERS; DO NOT DRAG, ROLL, SLID E OR
DROP. ALL PIPED METHANE SYSTEMS & ASSOCIATED EQUIP MUST BE GROUNDED. ELEC
EQUIP MUST BE NON-SPARKING/EXPLOSION PROOF. LEAK CHECK SYSTEM W/SOAPY WATER;
NEVER USE A FLAME. NEVER ATTEMPT TO LIFT CYL INDER BY ITS CAP; THE CAP
(ECOLOGICAL)
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Ecological Information
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Ecological: NO ADVERSE ECOLOGICAL EFFECTS EXPECTED. METHANE DOES NOT CONTAIN
ANY CLASS I OR II OZONE-DEPLETING CHEMICALS. METHANE IS NOT LISTED AS A
MARINE POLLUTANT BY DOT. TOXICOLOGICAL (CONT'D): IS INTENDED S OLELY TO
PROTECT VALVE. NEVER INSERT AN OBJECT (E.G. WRENCH, SCREWDRIVER, PRY BAR)
INTO CAP OPENINGS; DOING SO MAY DMG VALVE & CAUSE LEAK. USE AN ADJUSTABLE
STRAP WRENCH TO REMOVE OVER-TIGHT OR RUSTED CAP. OPEN VALVE SLOWLY. IF VALVE
IS HARD TO OPEN, DISCONTINUE USE & CONTACT YOUR SUPPLIER. SPECIAL
PRECAUTIONS: FLAMMABLE HIGH-PRESSURE GAS. MAY FROM EXPLOSIVE MIX W/AIR. USE
PIPING & EQUIPMENT ADEQU ATELY DESIGNED TO WITHSTAND (SARA)
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MSDS Transport Information
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Regulatory Information
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Sara Title III Information: SECTION 302/304: TPQ: NONE; EXTREMELY HAZ
SUBSTANCES 40 CFR 355: NONE. SECTIONS 311/312: THE HAZARD CATEGORIES FOR THIS
PROD ARE AS FOLLOWS: IMMEDIATE, PRESSURE, FIRE: YES. DELAYED, REACTIVITY: NO.
SE CTION 313: REQUIRES SUBMISSION OF ANNUAL REPORTS OF RELEASE OF TOX CHEM
THAT APPEAR IN 40 CFR PART 372: METHANE DOES NOT REQUIRE REPORTING UNDER
SECTION 313. ECOLOGICAL (CONT'D): PRESSURES TO BE ENCOU NTERED. USE ONLY IN
CLOSED SYSTEM. USE ONLY SPARK-PROOF TOOL & EXPLOSION-PROOF EQUIP. GROUND
ALL EQUIP. STORE & USE AWAY FROM OXYGEN & OPEN FLAME. GAS CAN CAUSE
RAPID SUFFOCATION DUE TO OXYGEN DEFICIE NCY. STORE & USE W/ADEQUATE
(STATE REGS)
Federal Regulatory Information: CERCLA RQ: NONE. OSHA, 29 CFR 1910.119: PROCESS
SAFETY MGMT OF HIGHLY HAZ CHEM: REQUIRES FACILITIES TO PROCESS SAFETY
MANAGEMENT PROGRAM BASED ON THRESHOLD QTY (TQ) OF HIGH HAZ CHEM. METHANE IS
NOT LI STED IN APPENDIX A AS A HIGHLY HAZOUDOUS CHEMICAL; HOWEVER, ANY
PROCESS THAT INVOLVES FLAMMABLE GAS ON SITE IN ONE LOCATION, IN QTYS OF
10,000 LBS (4553 KG) OR MORE IS COVERED UNDER THIS REG UNLESS TH E GAS IS
USED AS FUEL. TSCA: TOXIC SUBSTANCES CONTROL ACT: METHANE IS LISTED ON TSCA
INVENTORY. 40 C FR 68: RISK MANAGEMENT PROG FOR CHEM ACCIDENTAL RELEASE
PREVENTION: REQUIRES DEVELOPMENT & IMPLEMENTATION OF RISK MGMT PROG
(EXTING MEDIA)
State Regulatory Information: CALIFORNIA: THIS PROD IS NOT LISTED BY CA SAFE
DRINKING WATER TOXIC ENFORCEMENT ACT OF 1986 (PROPOSITION 65). PENNSYLVANIA:
PROD IS SUBJECT TO THE PA WORKER & COMMUNITY RIGHT-TO-KNOW ACT (35 P.S.
SECT IONS 7301-7320). SARA (CONT'D: VENTILATION. CLOSE CYLINDER VALVE AFTER
EACH USE; KEEP CLOSED EVEN WHEN EMPTY. NEVER WORK ON PRESSURIZED SYSTEM. IF
THERE IS A LEAK, BLOW SYSTEM DOWN IN AN ENVIRONMENTAL LY SAFE MANNER IN
COMPLIANCE WITH ALL FED, STATE & LOCAL LAWS, THEN REPAIR LEAK. NEVER
GROUND A COMP RESSED GAS CYLINDER OR ALLOW IT TO BECOME PART OF AN ELECTRICAL
CIRCUIT. NOTE: PRIOR TO USING ANY PLASTICS, CONFIRM THEIR (OTHER INFO)
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Other Information
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Other Information: STATE INFO (CONT'D): COMPATIBILITY WITH METHANE. MIXTURES:
WHEN YOU MIX TWO OR MORE GASES OR LIQUIFIED GASES, YOU CAN CREATE ADDITIONAL,
UNEXPECTED HAZARDS. OBTAIN & EVALUATE SAFETY INFO FOR EACH COMP ONENT
BEFORE YOU PRODUCE THE MIXTURE. CONSULT AN INDUSTRIAL HYGIENIST`OR OTHER
TRAINED PERSON WHEN YOU EVALUATE THE END PRODUCT. REMEMBER, GASES &
LIQUIDS HAVE PROPERTIES THAT CAN CAUSE SERIOUS INJURY OR DEATH. BE SURE TO
READ & UNDERSTAND ALL LABELS & INSTRUCTIONS SUPPLIED WITH ALL
CONTAINERS OF THIS PRODUCT. STANDARD VALVE CONNECTIONS FOR U.S. &
CANADA: THREADED: CGA-350. DO NOT USE ADAPTERS. CONTACT NEHC FOR ADDITIONAL
INFO.
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HAZCOM Label
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MSDS NAME: METHANE
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: 06/25/2001
Status Code: A
Origination Code: G
Hazard And Precautions: EMERGENCY OVERVIEW: DANGER! FLAMMABLE HIGH PRESSURE
GAS. MAY FORM EXPLOSIVE MIXTURES WITH AIR. MAY CAUSE DIZZINESS &
DROWSINESS. SELF-CONTAINED BREATHING APPARATUS MAY BE REQUIRED BY RESCUE
WORKERS. E FFECTS OF A SINGLE (ACUTE) OVEREXPOSURE: INHALATION- ASPHYXIANT.
EFFECTS ARE DUE TO LACK OF OXYGEN. MODERATE CONCENTRATIONS MAY CAUSE
HEADACHE, DROWSINESS, DIZZINESS, EXCITATION, EXCESS SALIVATION, VO MITING,
AND UNCONSCIOUSNESS. LACK OF OXYGEN CAN KILL. SKIN CONTACT-NO HARM EXPECTED.
SWALLOWING-AN UNLIKELY ROUTE OF EXPOSURE. EYE CONTACT-NO HARM EXPECTED.
EFFECTS OF REPEATED (CHRONIC) OVEREXPOSURE: NO HARM (EFFECTS OF
OVEREXPOSURE)
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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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