Nitrogen

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

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, 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

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

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, 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