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Hazardous Gas / Gas Line Signs and Labels

Gas is used for many purposes in a wide variety of workplaces. Luckily, we offer signs that address a lot of the issues involved with handling hazardous gases. Where these gasses are in use, an OSHA or ANSI compliant safety sign or label might help prevent workplace disasters. Signs are offered in many formats, styles, colors, and materials, such as industrial grade plastic, aluminum, magnetic backing, and adhesive labels.

  • Identify hazardous gas containers, tanks, storage areas and more with our signs or adhesive labels

  • Made with a protective laminate layer that resists moisture, abrasion, UV and chemicals

  • Proudly made in the USA, most orders ship within 2 business days

1 - 48 of 887 Signs
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FLAMMABLE GAS 2

DOT-9862
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GAS SHUTOFF VALVE

NHEP-13843
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DEADLY MANURE GASES DEATH MAY BE IMMEDIATE! ENTER PIT ONLY WITH SELF-CONTAINED AIR SUPPLY VENTILATION, RESCUE HARNESS, MECHANICAL LIFT, AND STANDBY PERSON

ODEP-25372
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COMPRESSED GAS FLAMMABLE CONTENT UNDER PRESSURE HANDLE WITH CARE

ODEP-1775
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INHALATION HAZARD 2 [YOUR UN NUMBER HERE YOUR PROPER SHIPPING NAME HERE]

DOT-9870-CUSTOM
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CARBON DIOXIDE GAS VACATE IMMEDIATELY when alarm operates Can cause injury or death

AWEP-9780-R
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Oxygen storage No Smoking No open flames

ADEP-16849
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DO NOT REMOVE CONTENT: CO2 (CARBON DIOXIDE) HEALTH HAZARD 4- Deadly 3 - Extreme danger 2 - Hazardous 1 - Slightly hazardouse 0 - Normal material FIRE HAZARD Flash Point 4 - Below 73 F 3 - Below 100 F 2 - Below 200 F 1 - Above 200 F 0 - Will not burn SPECIFIC HAZARD Use NO WATER W Oxidizer OX Simple Asphyxiant SA Acid ACID Alkali ALK Corrosive COR Radiation Hazard INSTABILITY 4 - May detonate 3 - Shock and heat may detonate 2 - Violent Chemical change 1 - Unstable if heated 0 - Stable 1 0 0 NEW INSPECTED RECHARGE PROTECTIVE EQUIPMENT: IN CONFINED SPCE WEAR GOGGLES, GLOVES SCBA. EYES: TREAT EXPOSED AREA AS FROSTBITE. SKIN: TREAT AREA EXPOSED AS FROSTBITE. IF BREATHED: PROVIDE FREAH AIR OR OXYGEN. DO NOT REMAIN IN CONFINED SPACE AFTER USE. CO2 PRESSURE YR 21 22 23 24 25 26 27 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC

CS215191
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GAS SHUTOFF [down arrow]

OEEP-28811
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CARBON DIOXIDE GAS DO NOT ENTER until ventilated Can cause injury or death

AWEP-9782-R
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DEADLY MANURE GASES DEATH MAY BE IMMEDIATE! ENTER PIT ONLY WITH SELF-CONTAINED AIR SUPPLY VENTILATION, RESCUE HARNESS, MECHANICAL LIFT, AND STANDBY PERSON

NHEP-25372
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KEEP OUT FUMIGATING WITH POISON GAS

ODEP-4145
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MEDICAL GASES NO SMOKING OR OPEN FLAME

OCEP-38761
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FLAMMABLE GAS 2

DOT-13232
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WARNING HAZARDOUS AREA HYDROGEN SULFIDE AUTHORIZED PERSONNEL ONLY EXTREME HEALTH HAZARD FATAL OR HARMFUL IF INHALED KEEP UPWIND DO NOT BREATHE GAS FIRST AID: REMOVE INDIVIDUAL TO FRESH AIR, WASH OFF AFFECTED AREA, KEEP INDIVIDUAL WARM

NHEP-25137
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MEDICAL GASES NO SMOKING OR OPEN FLAME

ONEP-38761
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GAS SHUTOFF VALVE

NHEP-13840
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ASPHYXIATION HAZARD INSTRUMENT SUPPLY GAS CAN CONTAIN 100% CARBON DIOXIDE GAS DO NOT USE INSTRUMENT SUPPLY GAS AS BREATHING AIR OR FOR PNEUMATIC TOOLS IN NON-CONFINED SPACES

NHEP-31205
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GAS SHUTOFF VALVE - VÁLVULA DE CORTE DE GAS

NHB-13843
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CARBON DIOXIDE GAS DISCHARGE VACATE IMMEDIATELY when alarm operates Can cause injury or death

AWEP-9790-R
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MERCURY VAPOR RESPIRATORS REQUIRED IN THIS AREA - VAPOR DE MERCURIO SE REQUIEREN RESPIRADORES EN ESTA ÁREA

OCB-4505
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NITROGEN INERT GAS BLANKETED EQUIPMENT WILL NOT SUPPORT LIFE AUTHORIZED PERSONNEL ONLY

ODEP-19940
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WARNING CARBON DIOXIDE GAS WHEN ALARM OPERATES OR AFTER DISCHARGE DO NOT ENTER UNTIL VENTILATED

NHEP-31317
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OXYGEN NO SMOKING NO OPEN FLAMES

ODEP-5145
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DANGER! ABANDONED AND INACTIVE MINES ARE DEATH TRAPS! DO NOT GET TRAPPED! STAY OUT! STAY ALIVE! DANGERS AWAIT INSIDE: HIDDEN DEEP SHAFTS BAD AIR AND POISONOUS GASES CAVE-INS OF LOOSE ROCK OR DECAYED TIMBERS DISCARDED EXPLOSIVES POISONOUS SNAKES UNSAFE OR BROKEN LADDERS FLOODED TUNNELS DAMAGING OR REMOVING THIS SIGN IS A FELONY ENTRY INTO THESE WORKINGS IS A CRIMINAL TRESPASS

NHEP-19813
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BEFORE ENTERING TURN ON EXTERIOR VENTILATION AND LIGHT SWITCH ALLOW BUILDING TO VENTILATE WAIT 5 MINUTES BEFORE ENTERING

NHEP-29951
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OXYGEN NO SMOKING NO OPEN FLAMES - OXÍGENO NO FUMAR NO ENCENDER FUEGO

OCB-5145
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Medical gas in use

ADEP-31159
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THE LAW REQUIRES THE OWNER OF THE PREMISES TO PROVIDE A CARBON MONOXIDE ALARM IN EACH APARTMENT IN THIS BUILDING THE CARBON MONOXIDE ALARM MUST BE PLACED WITHIN 15 FEET OF THE PRIMARY ENTRANCE TO EACH ROOM LAWFULLY USED FOR SLEEPING MUST BE OF THE TYPE EQUIPPED WITH AN END OF LIFE AUDIO INDICATOR AND MUST BE PERIODICALLY REPLACED BY THE PROPERTY OWNER AS NECESSARY TENANTS ARE RESPONSIBLE FOR THE MAINTENANCE AND REPAIR OF THE ALARMS INSTALLED INTO THE APARTMENT AND FOR REPLACING ANY OR ALL ALARMS INSTALLED IN THE APARTMENT THE LAW PROVIDES THAT THE OCCUPANT OF EACH CLASS A APARTMENT IN A BUILDING IN WHICH A CARBON MONOXIDE ALARM IS PROVIDED AND INSTALLED SHALL PAY THE OWNER $25.00 PER ALARM FOR THE COST OF SUCH WORK FOR THE INITIAL AND EACH PERIODIC REPLACEMENT THE OCCUPANT HAS ONE YEAR FROM THE DATE OF INSTALLATION TO MAKE SUCH PAYMENT TO THE OWNER

NHEP-33954_WRSTR
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FLAMMABLE OR COMBUSTIBLE LIQUIDS VAPORS MAY BE PRESENT KEEP AWAY FROM SPARKS, FLAMES AND IGNITION SOURCES EXTINGUISH SMOKING MATERIALS FOR USE ON PROPERLY VENTED STORAGE VESSELS KEEP LID CLOSED AND OPENINGS SECURELY PLUGGED WHEN NOT IN USE

OWEP-33482
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COMPRESSED AIR - AIRE COMPRIMIDO

ODB-1760
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GAS METER ROOM NO STORAGE PERMITTED

NHEP-31226
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DO NOT ENTER WHEN LIGHT IS FLASHING CARBON DIOXIDE LEAK DETECTED

OWEP-28470
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GAS CYLINDER STORAGE

NHEP-31152
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ASPHYXIATION HAZARD INSTRUMENT SUPPLY GAS CAN CONTAIN 100% CARBON DIOXIDE GAS DO NOT USE INSTRUMENT SUPPLY GAS AS BREATHING AIR OR FOR PNEUMATIC TOOLS IN NON-CONFINED SPACES

ODEP-31205
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CARBON DIOXIDE GAS VENTILATE THIS AREA BEFORE ENTERING A HIGH CARBON DIOXIDE GAS (CO2) CONCENTRATION IN THIS AREA CAN CAUSE SUFFOCATION

OWEP-31631
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Natural Gas No smoking or open flames

ADEP-4565
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Oxygen in use

ADEP-5139
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Asphyxiation hazard Instrument supply gas can contain 100% carbon dioxide gas Do not use instrument supply gas as breathing air or for pneumatic tools in non-confined spaces

ADEP-31205
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GAS CYLINDER STORAGE

ONEP-31153
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OZONE GAS GENERATOR GASEOUS OXIDIZER TOXIC GAS

NHEP-27141
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MAIN GAS VALVE SHUTOFF

OEEP-29019
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NATURAL GAS NO SMOKING OR OPEN FLAMES

ODEP-4565
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