NITROGEN

NITROGEN NF COA PRAXAIR CENTRAL MCGOWAN COMPANY, INC. PRAXAIR, INC. CUSTOMER PICK-UP INVER GROVE ST CLOUD, MN 56301 1-800-PRAXAIR Praxair Number: 8523608 BUSINESS CONFIDENTIAL LIQUID NITROGEN NF Minimum purity of 99.9980% by difference Lot Number: NI 998 061614 119 0942 Product Fill Date Trailer Time ID Location (Of Fill) Number (Of Fill) Component Specification Analytical Result Analytical Method CO <10 ppm <0.05 ppm LDL Servomex 4100 H20 <5 ppm 0.24 ppm N/A ODOR ND ND Organoleptic O2 <8 ppm 1.12 ppm Rosemount TO2 /DP PRODUCT IS IDENTIFIED AS NITROGEN THROUGH PROCESS VALIDATION, DEDICATED PIPING AND PRODUCT SPECIFIC CGA CONNECTIONS. Authorized PRAXAIR Representative LDL: Lower Detection Limit Of Analyzer STC 1025 1/97 Rev. CUSTOMER CentMcGowan NitrogenCOA Label; Nitrogen Compressed NF NITROGEN, COMPRESSED NF UN1066 NON-FLAMMABLE GAS 2 (R-K14) XXXXXX GCS-NNF-CMG-PK500 4/16/20 Rx only. WARNING: Administration of Nitrogen may be hazardous or contraindicated. For use only by or under the supervision of a licensed practioner who is experienced in the use and administration of Nitrogen and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the hazards, contraindications and side effects and the precautions to be taken. WARNING: CONTAINS GAS UNDER PRESSURE; MAY EXPLODE, IF HEATED, MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCCATION. Do not handle until all safety precautions have been read and understood. Use and store only outdoors or in a well-ventilated place. Use a back flow preventive device in the piping. Use only with equipment rated for cylinder pressure. Close valve after each use and when empty. Protect from sunlight when ambient temperature exceeds 52°C (125°F). Read and follow the Safety Data Sheet (SDS) before use. FIRST AID; IF INHALED; Remove person to fresh air and keep comfortable for breathing. Get medical advice/attention. CAS: 7727-37-9 DO NOT REMOVE THIS PRODUCT LABEL CENTRAL McGOWAN 123 Roosevelt Road St. Cloud, MN 56301 – 320-252-5292 In case of chemical emergency: call chemtrec 1-800-424-9300 CONTENTS: LTRS: □ CU FT. □ Nitrogen Compressed NF; Nitrogen Refrigerated Liquid NF NITROGEN, REFRIGERATED LIQUID NF UN1977 NON-FLAMMABLE GAS 2 (R-K14) XXXXXX Rx only. WARNING : CONTAINS REFRIGERATED GAS; MAY CAUSE CRYOGENIC BURNS OR INUURY. MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCATION. Do not handle until all safety precautions have been read and understood. Use and store only outdoors or in a well-ventilated place. Wear cold insulating gloves, face shield, and eye protection. Use a backflow preventive device in the piping. DO NOT change or force fit connections. Close valve after each use and when empty. Always keep container in upright position. Read and follow the Safety Data Sheet (SDS) before use. WARNING: Administration of Nitrogen may be hazardous or contraindicated. Rx ONLY For use only by or under the supervision of a licensed practitioner who is experienced in the use and administration of Nitrogen and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the hazards, contraindications, and side effects, and the precautions to be taken. FIRST AID: IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF ON SKIN : Thaw frosted parts with lukewarm water. Do not rub affected area. Get immediate medical advice/attention. CONTENTS: ________________________ LTRS: ___ CU FT: ___ CAS: 7727-37-9 DO NOT REMOVE THIS PRODUCT LABEL. In case of emergencyinvolving this material call INFOTRAC at 1-800-535-5053 CENTRAL McGOWN 123 Roosevelt Road St. Cloud, MN 56301 320-252-5292 IN CASE OF CHEMICAL EMERGENCY CALL CHEMTREC 1-800-424-9300 Nitrogen Refrigerated Liquid NF

• NITROGEN NF COA PRAXAIR CENTRAL MCGOWAN COMPANY, INC. PRAXAIR, INC. CUSTOMER PICK-UP INVER GROVE ST CLOUD, MN 56301 1-800-PRAXAIR Praxair Number: 8523608 BUSINESS CONFIDENTIAL LIQUID NITROGEN NF Minimum purity of 99.9980% by difference Lot Number: NI 998 061614 119 0942 Product Fill Date Trailer Time ID Location (Of Fill) Number (Of Fill) Component Specification Analytical Result Analytical Method CO <10 ppm <0.05 ppm LDL Servomex 4100 H20 <5 ppm 0.24 ppm N/A ODOR ND ND Organoleptic O2 <8 ppm 1.12 ppm Rosemount TO2 /DP PRODUCT IS IDENTIFIED AS NITROGEN THROUGH PROCESS VALIDATION, DEDICATED PIPING AND PRODUCT SPECIFIC CGA CONNECTIONS. Authorized PRAXAIR Representative LDL: Lower Detection Limit Of Analyzer STC 1025 1/97 Rev. CUSTOMER CentMcGowan NitrogenCOA Label
• Nitrogen Compressed NF NITROGEN, COMPRESSED NF UN1066 NON-FLAMMABLE GAS 2 (R-K14) XXXXXX GCS-NNF-CMG-PK500 4/16/20 Rx only. WARNING: Administration of Nitrogen may be hazardous or contraindicated. For use only by or under the supervision of a licensed practioner who is experienced in the use and administration of Nitrogen and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the hazards, contraindications and side effects and the precautions to be taken. WARNING: CONTAINS GAS UNDER PRESSURE; MAY EXPLODE, IF HEATED, MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCCATION. Do not handle until all safety precautions have been read and understood. Use and store only outdoors or in a well-ventilated place. Use a back flow preventive device in the piping. Use only with equipment rated for cylinder pressure. Close valve after each use and when empty. Protect from sunlight when ambient temperature exceeds 52°C (125°F). Read and follow the Safety Data Sheet (SDS) before use. FIRST AID; IF INHALED; Remove person to fresh air and keep comfortable for breathing. Get medical advice/attention. CAS: 7727-37-9 DO NOT REMOVE THIS PRODUCT LABEL CENTRAL McGOWAN 123 Roosevelt Road St. Cloud, MN 56301 – 320-252-5292 In case of chemical emergency: call chemtrec 1-800-424-9300 CONTENTS: LTRS: □ CU FT. □ Nitrogen Compressed NF
• Nitrogen Refrigerated Liquid NF NITROGEN, REFRIGERATED LIQUID NF UN1977 NON-FLAMMABLE GAS 2 (R-K14) XXXXXX Rx only. WARNING : CONTAINS REFRIGERATED GAS; MAY CAUSE CRYOGENIC BURNS OR INUURY. MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCATION. Do not handle until all safety precautions have been read and understood. Use and store only outdoors or in a well-ventilated place. Wear cold insulating gloves, face shield, and eye protection. Use a backflow preventive device in the piping. DO NOT change or force fit connections. Close valve after each use and when empty. Always keep container in upright position. Read and follow the Safety Data Sheet (SDS) before use. WARNING: Administration of Nitrogen may be hazardous or contraindicated. Rx ONLY For use only by or under the supervision of a licensed practitioner who is experienced in the use and administration of Nitrogen and is familiar with the indications, effects, dosages, methods, and frequency and duration of administration, and with the hazards, contraindications, and side effects, and the precautions to be taken. FIRST AID: IF INHALED: Remove person to fresh air and keep comfortable for breathing. IF ON SKIN : Thaw frosted parts with lukewarm water. Do not rub affected area. Get immediate medical advice/attention. CONTENTS: ________________________ LTRS: ___ CU FT: ___ CAS: 7727-37-9 DO NOT REMOVE THIS PRODUCT LABEL. In case of emergencyinvolving this material call INFOTRAC at 1-800-535-5053 CENTRAL McGOWN 123 Roosevelt Road St. Cloud, MN 56301 320-252-5292 IN CASE OF CHEMICAL EMERGENCY CALL CHEMTREC 1-800-424-9300 Nitrogen Refrigerated Liquid NF