SDS Table of Contents Click the desired link below to jump directly to that section in the SDS. NORLAB A DIVISION OF NORCO, INC. SAFETY DATA SHEET SDS 0.0001% TO 2.0% HYDROGEN IN AIR SDS NUMBER: NLB 2270 REVISION DATE: 6/1/2018
MANUFACTURER: NORLAB 898 W. GOWEN RD. BOISE, ID 83705 CONTACT: QUALITY DEPT. PHONE: 208-336-1643 FAX: 208-433-6160 WEB: WWW.NORLAB-GAS.COM PRODUCT NAME: 0.0001% TO 2.0% HYDROGEN IN AIR REVISION DATE: 6/1/2018 VERSION: 2 SDS NUMBER: NLB 2270 COMMON NAME: HYDROGEN IN AIR CAS NUMBER: NOT AVAILABLE - GAS MIXTURE CHEMICAL FAMILY: GAS MIXTURE CHEMICAL FORMULA: H2 + O2 + N2 SYNONYMS: HYDROGEN IN AIR CAL GAS, CALIBRATION GAS PRODUCT USE: CALIBRATION OF ANALYTICAL INSTRUMENTATION FOR TRANSPORTATION EMERGENCY CONTACT CHEMTREC: 800-424-9300
CLASSIFICATION OF THE SUBSTANCE OR MIXTURE: GHS CLASSIFICATION IN ACCORDANCE WITH 29 CFR 1910 (OSHA HCS): PHYSICAL, GASES UNDER PRESSURE, COMPRESSED GAS GHS LABEL ELEMENTS, INCLUDING PRECAUTIONARY STATEMENTS: GHS SIGNAL WORD: WARNING GHS HAZARD PICTOGRAMS: GAS CYLINDER GHS HAZARD STATEMENTS: H280: CONTAINS GAS UNDER PRESSURE; MAY EXPLODE IF HEATED CGA-HG24: SUPPORTS COMBUSTION. GHS PRECAUTIONARY STATEMENTS: P261: AVOID BREATHING DUST/FUME/GAS/MIST/VAPORS/SPRAY. P281: USE PERSONAL PROTECTIVE EQUIPMENT AS REQUIRED. P403+233: STORE IN A WELL VENTILATED PLACE. KEEP CONTAINER TIGHTLY CLOSED. CGA-PG02: PROTECT FROM SUNLIGHT WHEN AMBIENT TEMPERATURE EXCEEDS 52 DEG. C (125 DEG. F). CGA-PG05: USE A BACK FLOW PREVENTIVE DEVICE IN THE PIPING. CGA-PG06: CLOSE VALVE AFTER EACH USE AND WHEN EMPTY. CGA-PG10: USE ONLY WITH EQUIPMENT RATED FOR CYLINDER PRESSURE. CGA-PG20: USE ONLY EQUIPMENT OF COMPATIBLE MATERIALS OF CONSTRUCTION. HAZARDS NOT OTHERWISE CLASSIFIED (HNOC) OR NOT COVERED BY GHS: ROUTE OF ENTRY: INHALATION; INHALATION: NON-TOXIC - PRODUCT CONTAINS SUFFICIENT OXYGEN TO SUPPORT RESPIRATION. SKIN CONTACT: CONTACT WITH RAPIDLY EXPANDING GAS NEAR THE POINT OF RELEASE MAY CAUSE FROSTBITE WITH REDNESS, SKIN COLOR CHANGE TO GRAY OR WHITE, AND BLISTERING. EYE CONTACT: NONE ANTICIPATED. CONTACT WITH RAPIDLY EXPANDING GAS NEAR THE POINT OF RELEASE MAY CAUSE FROSTBITE. INGESTION: NOT ANTICIPATED. PRODUCT IS A GAS AT NORMAL CONDITIONS. NFPA: HEALTH 0 FIRE 0 REACTIVITY 0 SPECIFIC HAZARD N/A HMIS III: HEALTH 0 FIRE 0 PHYSICAL HAZARD 3 HMIS PPE B - SAFETY GLASSES, GLOVES NFPA: HEALTH 0 FIRE HAZARD 0 REACTIVITY 0 SPECIFIC HAZARD HMIS: HEALTH 0 FLAMMABILITY 0 PHYSICAL HAZARD 3 PERSONAL PROTECTION B PPE: SAFETY GLASSES GLOVES
INGREDIENTS: CAS# % CHEMICAL NAME 1333-74-0 0.0001-2.0% HYDROGEN 7782-44-7 20.9% OXYGEN 7727-37-9 77.1-79.0999% NITROGEN 20.9% OXYGEN IN NITROGEN INDICATES AN AIR BALANCE.
INHALATION: NOT CONSIDERED DANGEROUS. SKIN CONTACT: NONE REQUIRED FOR GAS. FOR FROSTBITE, IMMERSE SKIN IN LUKEWARM WATER. DO NOT USE HOT WATER. OBTAIN MEDICAL ATTENTION. EYE CONTACT: NONE REQUIRED FOR GAS. IF FROSTBITE IS SUSPECTED, FLUSH EYES WITH COOL WATER FOR 15 MINUTES AND OBTAIN IMMEDIATE MEDICAL ATTENTION. INGESTION: NOT A DIRECT HAZARD.
FLAMMABILITY: NOT FLAMMABLE FLASH POINT: NONE FLASH POINT METHOD: NOT APPLICABLE BURNING RATE: NOT APPLICABLE AUTOIGNITION TEMP: NONE LEL: NONE UEL: NONE FIRE AND EXPLOSION HAZARDS: NONFLAMMABLE. CYLINDERS MAY RUPTURE VIOLENTLY OR VENT RAPIDLY FROM PRESSURE WHEN INVOLVED IN A FIRE SITUATION. EXTINGUISHING MEDIA: NONE REQUIRED. USE AS APPROPRIATE FOR SURROUNDING MATERIALS FIRE FIGHTING INSTRUCTIONS: FIREFIGHTERS SHOULD WEAR RESPIRATORY PROTECTION (SCBA) AND FULL TURNOUT OR BUNKER GEAR. CONTINUE TO COOL FIRE-EXPOSED CYLINDERS UNTIL WELL AFTER FLAMES ARE EXTINGUISHED.
EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE APPROPRIATE PROTECTIVE EQUIPMENT. IF LEAK IS IN USER'S EQUIPMENT, BE CERTAIN TO PURGE PIPING WITH INERT GAS PRIOR TO ATTEMPTING REPAIRS. IF LEAK IS IN CONTAINER OR VALVE, CONTACT THE APPROPRIATE EMERGENCY TELEPHONE NUMBER LISTED IN SECTION 1, OR CALL YOUR CLOSEST NORCO/NORLAB LOCATION.
HANDLING PRECAUTIONS: USE ONLY IN WELL-VENTILATED AREAS. VALVE PROTECTION CAPS MUST REMAIN IN PLACE UNLESS THE CYLINDER IS SECURED WITH VALVE OUTLET PIPED TO USE POINT. DO NOT DRAG, SLIDE OR ROLL CYLINDERS. USE A SUITABLE HAND TRUCK FOR CYLINDER MOVEMENT. USE A PRESSURE REGULATOR WHEN CONNECTING CYLINDER TO LOWER PRESSURE (<3000 PSIG) PIPING OR SYSTEMS. DO NOT HEAT CYLINDER BY ANY MEANS TO INCREASE THE DISCHARGE RATE OF PRODUCT FROM THE CYLINDER. USE A CHECK VALVE OR TRAP IN THE DISCHARGE LINE TO PREVENT HAZARDOUS BACKFLOW INTO THE CYLINDER. FOR ADDITIONAL RECOMMENDATIONS, CONSULT COMPRESSED GAS ASSOCIATION PAMPHLETS P-1. NEVER CARRY A COMPRESSED GAS CYLINDER OR A CONTAINER OF A GAS IN CRYOGENIC LIQUID FROM IN AN ENCLOSED SPACE SUCH AS A CAR TRUNK, VAN OR STATION WAGON. STORAGE REQUIREMENTS: PROTECT CYLINDERS FROM PHYSICAL DAMAGE. STORE IN COOL, DRY, WELL-VENTILATED AREA AWAY FROM HEAVY TRAFFIC AREAS AND EMERGENCY EXITS. DO NOT ALLOW THE TEMPERATURE WHERE CYLINDERS ARE STORED TO EXCEED 125 DEGREES F (52 DEGREES C). CYLINDERS SHOULD BE STORED UPRIGHT AND FIRMLY SECURED TO PREVENT FALLING OR BEING KNOCKED OVER. FULL AND EMPTY CYLINDERS SHOULD BE SEGREGATED. USE A "FIRST IN-FIRST OUT" INVENTORY SYSTEM TO PREVENT FULL CYLINDERS FROM BEING STORED FOR EXCESSIVE PERIODS OF TIME.
ENGINEERING CONTROLS: GENERAL VENTILATION PERSONAL PROTECTIVE EQUIPMENT: HYDROGEN CAS#:(1333-74-0) [0.0001-2.0%] OXYGEN CAS#:(7782-44-7) [20.9%] NITROGEN CAS#:(7727-37-9) [77.1-79.0999%] PERSONAL PROTECTIVE EQUIPMENT: RESPIRATORY PROTECTION: WHERE RISK ASSESSMENT SHOWS AIR-PURIFYING RESPIRATORS ARE APPROPRIATE USE A FULL-FACE RESPIRATOR WITH MULTI-PURPOSE COMBINATION (US) OR TYPE AXBEK (EN 14387) RESPIRATOR CARTRIDGES AS A BACKUP TO ENGINEERING CONTROLS. IF THE RESPIRATOR IS THE SOLE MEANS OF PROTECTION, USE A FULL-FACE SUPPLIED AIR RESPIRATOR. USE RESPIRATORS AND COMPONENTS TESTED AND APPROVED UNDER APPROPRIATE GOVERNMENT STANDARDS SUCH AS NIOSH (US) OR CEN (EU). HAND PROTECTION: HANDLE WITH GLOVES. GLOVES MUST BE INSPECTED PRIOR TO USE. USE PROPER GLOVE REMOVAL TECHNIQUE (WITHOUT TOUCHING GLOVES OUTER SURFACE) TO AVOID SKIN CONTACT WITH THIS PRODUCT. DISPOSE OF CONTAMINATED GLOVES AFTER USE IN ACCORDANCE WITH APPLICABLE LAWS AND GOOD LABORATORY PRACTICES. WASH AND DRY HANDS. SPLASH PROTECTION: MATERIAL: BUTYL-RUBBER MINIMUM LAYER THICKNESS: 0.3 MM BREAK THROUGH TIME: 60 MIN MATERIAL TESTED:BUTOJECT (KCL 897 / ALDRICH Z677647, SIZE M) DATA SOURCE: KCL GMBH, D-36124 EICHENZELL, PHONE +49 (0)6659 87300, E-MAIL SALES@KCL.DE, TEST METHOD: EN374 IF USED IN SOLUTION, OR MIXED WITH OTHER SUBSTANCES, AND UNDER CONDITIONS WHICH DIFFER FROM EN 374, CONTACT THE SUPPLIER OF THE CE APPROVED GLOVES. THIS RECOMMENDATION IS ADVISORY ONLY AND MUST BE EVALUATED BY AN INDUSTRIAL HYGIENIST FAMILIAR WITH THE SPECIFIC SITUATION OF ANTICIPATED USE BY OUR CUSTOMERS. IT SHOULD NOT BE CONSTRUED AS OFFERING AN APPROVAL FOR ANY SPECIFIC USE SCENARIO. EYE PROTECTION: USE EQUIPMENT FOR EYE PROTECTION TESTED AND APPROVED UNDER APPROPRIATE GOVERNMENT STANDARDS SUCH AS NIOSH (US) OR EN 166(EU). SKIN AND BODY PROTECTION: IMPERVIOUS CLOTHING, THE TYPE OF PROTECTIVE EQUIPMENT MUST BE SELECTED ACCORDING TO THE CONCENTRATION AND AMOUNT OF THE DANGEROUS SUBSTANCE AT THE SPECIFIC WORKPLACE. HYGIENE MEASURES: HANDLE IN ACCORDANCE WITH GOOD INDUSTRIAL HYGIENE AND SAFETY PRACTICE. WASH HANDS BEFORE BREAKS AND AT THE END OF WORKDAY.
APPEARANCE: COLORLESS GAS PHYSICAL STATE: GAS ODOR THRESHOLD: NOT APPLICABLE PARTICLE SIZE: NOT APPLICABLE SPEC GRAV./DENSITY: NOT APPLICABLE VISCOSITY: NOT APPLICABLE FLAMMABILITY: NOT FLAMMABLE ODOR: ODORLESS MOLECULAR FORMULA: H2 IN AIR SOLUBILITY: SLIGHTLY SOLUBLE SOFTENING POINT: NOT APPLICABLE PERCENT VOLATILE: 100%
CHEMICAL STABILITY: STABLE CONDITIONS TO AVOID: NONE KNOWN MATERIALS TO AVOID: NONE KNOWN HAZARDOUS DECOMPOSITION: NONE KNOWN HAZARDOUS POLYMERIZATION: WILL NOT OCCUR.
HYDROGEN CAS#:(1333-74-0) [0.0001-2.0%]: INFORMATION ON TOXICOLOGICAL EFFECTS: ACUTE TOXICITY: ORAL LD50 NO DATA AVAILABLE INHALATION LC50 DERMAL LD50 OTHER INFORMATION ON ACUTE TOXICITY SKIN CORROSION/IRRITATION: NO DATA AVAILABLE SERIOUS EYE DAMAGE/EYE IRRITATION: NO DATA AVAILABLE RESPIRATORY OR SKIN SENSITIZATION: NO DATA AVAILABLE GERM CELL MUTAGENICITY: NO DATA AVAILABLE CARCINOGENICITY: IARC: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS PROBABLE, POSSIBLE OR CONFIRMED HUMAN CARCINOGEN BY IARC. ACGIH: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A CARCINOGEN OR POTENTIAL CARCINOGEN BY ACGIH. NTP: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A KNOWN OR ANTICIPATED CARCINOGEN BY NTP. OSHA: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A CARCINOGEN OR POTENTIAL CARCINOGEN BY OSHA. REPRODUCTIVE TOXICITY: NO DATA AVAILABLE TERATOGENICITY: NO DATA AVAILABLE SPECIFIC TARGET ORGAN TOXICITY - SINGLE EXPOSURE (GLOBALLY HARMONIZED SYSTEM): NO DATA AVAILABLE SPECIFIC TARGET ORGAN TOXICITY - REPEATED EXPOSURE (GLOBALLY HARMONIZED SYSTEM): NO DATA AVAILABLE ASPIRATION HAZARD: NO DATA AVAILABLE POTENTIAL HEALTH EFFECTS: INHALATION MAY BE HARMFUL IF INHALED. MAY CAUSE RESPIRATORY TRACT IRRITATION. INGESTION MAY BE HARMFUL IF SWALLOWED. SKIN MAY BE HARMFUL IF ABSORBED THROUGH SKIN. MAY CAUSE SKIN IRRITATION. EYES MAY CAUSE EYE IRRITATION. SIGNS AND SYMPTOMS OF EXPOSURE: TO THE BEST OF OUR KNOWLEDGE, THE CHEMICAL, PHYSICAL, AND TOXICOLOGICAL PROPERTIES HAVE NOT BEEN THOROUGHLY INVESTIGATED. SYNERGISTIC EFFECTS: NO DATA AVAILABLE ADDITIONAL INFORMATION: RTECS: MW8900000 OXYGEN CAS#: (7782-44-7) [20.9%] INFORMATION ON TOXICOLOGICAL EFFECTS: ACUTE TOXICITY: ORAL LD50 NO DATA AVAILABLE INHALATION LC50 DERMAL LD50 OTHER INFORMATION ON ACUTE TOXICITY SKIN CORROSION/IRRITATION: NO DATA AVAILABLE SERIOUS EYE DAMAGE/EYE IRRITATION: NO DATA AVAILABLE RESPIRATORY OR SKIN SENSITIZATION: NO DATA AVAILABLE GERM CELL MUTAGENICITY: NO DATA AVAILABLE CARCINOGENICITY: IARC: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS PROBABLE, POSSIBLE OR CONFIRMED HUMAN CARCINOGEN BY IARC. ACGIH: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A CARCINOGEN OR POTENTIAL CARCINOGEN BY ACGIH. NTP: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A KNOWN OR ANTICIPATED CARCINOGEN BY NTP. OSHA: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A CARCINOGEN OR POTENTIAL CARCINOGEN BY OSHA. REPRODUCTIVE TOXICITY: NO DATA AVAILABLE TERATOGENICITY: NO DATA AVAILABLE SPECIFIC TARGET ORGAN TOXICITY - SINGLE EXPOSURE (GLOBALLY HARMONIZED SYSTEM): NO DATA AVAILABLE SPECIFIC TARGET ORGAN TOXICITY - REPEATED EXPOSURE (GLOBALLY HARMONIZED SYSTEM): NO DATA AVAILABLE ASPIRATION HAZARD: NO DATA AVAILABLE POTENTIAL HEALTH EFFECTS: INHALATION MAY BE HARMFUL IF INHALED. MAY CAUSE RESPIRATORY TRACT IRRITATION. INGESTION MAY BE HARMFUL IF SWALLOWED. SKIN MAY BE HARMFUL IF ABSORBED THROUGH SKIN. MAY CAUSE SKIN IRRITATION. EYES MAY CAUSE EYE IRRITATION. SIGNS AND SYMPTOMS OF EXPOSURE: NAUSEA, DIZZINESS, UNCONSCIOUSNESS, MAY BE HARMFUL. SYNERGISTIC EFFECTS: NO DATA AVAILABLE ADDITIONAL INFORMATION: RTECS: RS2060000 NITROGEN CAS#:(7727-37-9) [77.1-79.0999%] INFORMATION ON TOXICOLOGICAL EFFECTS: ACUTE TOXICITY: ORAL LD50 NO DATA AVAILABLE INHALATION LC50 DERMAL LD50 OTHER INFORMATION ON ACUTE TOXICITY SKIN CORROSION/IRRITATION: NO DATA AVAILABLE SERIOUS EYE DAMAGE/EYE IRRITATION: NO DATA AVAILABLE RESPIRATORY OR SKIN SENSITIZATION: NO DATA AVAILABLE GERM CELL MUTAGENICITY: NO DATA AVAILABLE CARCINOGENICITY: IARC: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS PROBABLE, POSSIBLE OR CONFIRMED HUMAN CARCINOGEN BY IARC. ACGIH: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A CARCINOGEN OR POTENTIAL CARCINOGEN BY ACGIH. NTP: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A KNOWN OR ANTICIPATED CARCINOGEN BY NTP. OSHA: NO COMPONENT OF THIS PRODUCT PRESENT AT LEVELS GREATER THAN OR EQUAL TO 0.1% IS IDENTIFIED AS A CARCINOGEN OR POTENTIAL CARCINOGEN BY OSHA. REPRODUCTIVE TOXICITY: NO DATA AVAILABLE TERATOGENICITY: NO DATA AVAILABLE SPECIFIC TARGET ORGAN TOXICITY - SINGLE EXPOSURE (GLOBALLY HARMONIZED SYSTEM): NO DATA AVAILABLE SPECIFIC TARGET ORGAN TOXICITY - REPEATED EXPOSURE (GLOBALLY HARMONIZED SYSTEM): NO DATA AVAILABLE ASPIRATION HAZARD: NO DATA AVAILABLE POTENTIAL HEALTH EFFECTS: INHALATION MAY BE HARMFUL IF INHALED. MAY CAUSE RESPIRATORY TRACT IRRITATION. INGESTION MAY BE HARMFUL IF SWALLOWED. SKIN MAY BE HARMFUL IF ABSORBED THROUGH SKIN. MAY CAUSE SKIN IRRITATION. EYES MAY CAUSE EYE IRRITATION. SIGNS AND SYMPTOMS OF EXPOSURE: MAY BE HARMFUL., NAUSEA, HEADACHE, VOMITING SYNERGISTIC EFFECTS: NO DATA AVAILABLE ADDITIONAL INFORMATION: RTECS: QW9700000
HYDROGEN CAS#: (1333-74-0) [0.0001-2.0%] INFORMATION ON ECOLOGICAL EFFECTS: TOXICITY: NO DATA AVAILABLE PERSISTENCE AND DEGRADABILITY: NO DATA AVAILABLE BIOACCUMULATIVE POTENTIAL: NO DATA AVAILABLE MOBILITY IN SOIL: NO DATA AVAILABLE PBT AND VPVB ASSESSMENT: NO DATA AVAILABLE OTHER ADVERSE EFFECTS: NO DATA AVAILABLE OXYGEN CAS#: (7782-44-7) [20.9%] INFORMATION ON ECOLOGICAL EFFECTS: TOXICITY: NO DATA AVAILABLE PERSISTENCE AND DEGRADABILITY: NO DATA AVAILABLE BIOACCUMULATIVE POTENTIAL: NO DATA AVAILABLE MOBILITY IN SOIL: NO DATA AVAILABLE PBT AND VPVB ASSESSMENT: NO DATA AVAILABLE OTHER ADVERSE EFFECTS: NO DATA AVAILABLE NITROGEN CAS#: (7727-37-9) [77.1-79.0999%] INFORMATION ON ECOLOGICAL EFFECTS: TOXICITY: NO DATA AVAILABLE PERSISTENCE AND DEGRADABILITY: NO DATA AVAILABLE BIOACCUMULATIVE POTENTIAL: NO DATA AVAILABLE MOBILITY IN SOIL: NO DATA AVAILABLE PBT AND VPVB ASSESSMENT: NO DATA AVAILABLE OTHER ADVERSE EFFECTS: NO DATA AVAILABLE
DO NOT ATTEMPT TO DISPOSE OF RESIDUAL WASTE OR UNUSED QUANTITIES IN RETURNABLE CONTAINERS. RETURN IN SHIPPING CONTAINER, PROPERLY LABELED, WITH ANY VALVE OUTLET PLUGS OR CAPS SECURED AND VALVE PROTECTION CAP IN PLACE TO NORCO FOR PROPER DISPOSAL.
UN1956, COMPRESSED GAS, N.O.S., 2.2 PROPER SHIPPING NAME US: UN 1956, COMPRESSED GAS N.O.S., (HYDROGEN, AIR), 2.2 PROPER SHIPPING NAME CANADA: UN1956, COMPRESSED GAS, N.O.S., 2.2 CLASS 2.2, NON-FLAMMABLE AND NON-TOXIC GASES
COMPONENT (CAS#) [%] CODES HYDROGEN (1333-74-0) [0.0001-2.0%] MASS, NJHS, PA, TSCA, TXAIR OXYGEN (7782-44-7) [20.9%] MASS, PA, TSCA NITROGEN (7727-37-9) [77.1-79.0999%] MASS, PA, TSCA REGULATORY CODE DESCRIPTIONS: MASS: MA MASSACHUSETTS HAZARDOUS SUBSTANCES LIST NJHS: NJ RIGHT-TO-KNOW HAZARDOUS SUBSTANCES PA: PA RIGHT-TO-KNOW LIST OF HAZARDOUS SUBSTANCES TSCA: TOXIC SUBSTANCES CONTROL ACT TXAIR: TX AIR CONTAMINANTS WITH HEALTH EFFECTS SCREENING LEVEL
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