OXYGEN

PRAXAIR                              Track No: 012

Haciendo nuestro planeta mds productive

Certificate of Analysis (COA)

PRAXAIR MEXICO S. de R.L. de C.V.

700 Via Matamoros drive, Garza Cantu

San Nicolas de los Garza, Nuevo Leon,

64550 Mexico

Oxygen USP NDA:                            589381                  Customer Name:              Praxair Inc – Harlingen Tx

FDA Establishment Identifier:            301258051             Praxair Number:               6010667

DUNS Number:                                 812953909

LIQUID OXYGEN USP

Batch Number:

OXMIS IC0917 MIS LOX 01 1026

Order:                   Lot Number:                                                                      Shipping Container:

98579309              OX MIS 101017 PRXM481 0053                                            481

Expiration date:                2018 01 09

This product described in this document meets the requirements of the United States Pharmacopeia 40^th edition, 2017, and specifications of Praxair Mexico, S. de R.L. de C.V.

Component                        Specification                     Analytical Result Analytical Method¹ Analyzer Used

Assay                                    NLT 99.5% by volume     99.89%v/v                           Paramagnetic                    Servomex 4100

Identification                     Positive                                Positive                                Paramagnetic                    Servomex 4100

Tester’s Signature:           XXXXXXXXXXXXXXXXXXXXXX

Reviewer’s Signature:    XXXXXXXXXXXXXXXXXXXXXX

                                                Quality Assurance Reviewer

Notes:1.  Liquid oxygen produced by the air liquefaction process.

2.  Product is identified as Oxygen by way of oxygen specific paramagnetic analyzers

                3.  Product is identified as oxygen through process validation, dedicated piping and product specific CGA fittings.

Date/Time:         2017 10 10                          01:26                                                     OO/R-02-080/1-10

Oxygen

PRAXAIR                              Track No:

Haciendo nuestro planeta mds productive

Certificate of Analysis (COA)

PRAXAIR MEXICO S. de R.L. de C.V.

700 Via Matamoros drive, Garza Cantu

San Nicolas de los Garza, Nuevo Leon,

64550 Mexico

Oxygen USP NDA:                            210844                  Customer Name:             

FDA Establishment Identifier:            3004658099           Praxair Number:              

DUNS Number:                                 812821245

LIQUID OXYGEN USP

Batch Number:     _________

Order:    ________               Lot Number:          __________                      Shipping Container:   ___________

Component                        Specification                     Analytical Result Analytical Method¹ Analyzer Used

Assay                                    NLT 99.5% by volume           _____%v/v                         Paramagnetic                    Servomex 4100

Identification                         Positive                                _________                         Paramagnetic                    Servomex 4100

Tester’s Signature:           __________________________

Reviewer’s Signature:    _________________________

                                                Quality Assurance Reviewer

Notes:1.  Liquid oxygen produced by the air liquefaction process.

2.  Product is identified as Oxygen by way of oxygen specific paramagnetic analyzers

             3.  Product is identified as oxygen through process validation, dedicated piping and product specific CGA fittings.

Date/Time:         _______________________                                                       OO/R-02-080/3-10

Oxygen Label