NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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NSF/ANSI/CAN 60
Drinking Water Treatment Chemicals - Health Effects

Matheson Tri-Gas, Inc.
909 Lake Carolyn Parkway
Suite 1300
Irving, TX 75039
United States
800-284-0481
972-870-7029
Visit this company's website

Facility : Mesa, AZ

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction
[1] Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : El Dorado, AR

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
Carbon Dioxide	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Martinez, CA

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
Carbon Dioxide	Corrosion & Scale Control pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Vacaville, CA

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Ozone Reduction Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Vernon, CA

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Fort Meade, FL

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
Carbon Dioxide	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Jupiter, FL

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Lakeland, FL

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Pekin, IL

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
LCO2	pH Adjustment	100mg/L
LIQUID CARBON DIOXIDE	pH Adjustment	100mg/L

NOTE:  Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Washington, IN

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
Carbon Dioxide / C02	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Denison, IA

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
LCO2	pH Adjustment	100mg/L
LIQUID CARBON DIOXIDE	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Grimes, IA

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Westlake, LA

Oxygen
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	NA
Oxygen	Oxidant Ozone Reduction	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA

[1] Certified for use in ozone generators.
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Albion, MI

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
LCO2	pH Adjustment	100mg/L
LIQUID CARBON DIOXIDE	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Madison, MS

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
Carbon Dioxide	pH Adjustment	100mg/L
Carbon Dioxide -BEV	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Pass Christian, MS

Oxygen
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	NANA
Oxygen	Oxidant Ozone Reduction	NANA
Oxygen Medical Grade	Oxidant Ozone Reduction	NANA

[1] Certified for use in ozone generators.
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Waverly, NE

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	NA
Oxygen	Oxidant Ozone Reduction	NA
Oxygen Medical Grade	Ozone Reduction Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Albuquerque, NM

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Wake Forest, NC

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
OXYGEN	Oxidant	NA
Oxygen Medical Grade	Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Dickinson, ND

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Ozone Reduction Oxidant	NA
Oxygen	Ozone Reduction Oxidant	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Greenville, OH

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
LCO2	pH Adjustment	100mg/L
LIQUID CARBON DIOXIDE	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Holland, OH

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
OXYGEN (Liquid)	Oxidant	NA
Oxygen Medical Grade	Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Middletown, OH

Oxygen
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	NA
Oxygen	Oxidant Ozone Reduction	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Lawton, OK

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
UN 1073, OXYGEN, REFRIGERATED LIQUID, 2.2, (5.1)	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Clearfield, PA

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
LCO2	pH Adjustment	100mg/L
LIQUID CARBON DIOXIDE	pH Adjustment	100mg/L

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : St. Mary’s, PA

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Oxygen	Oxidant	NA
Oxygen Medical Grade	Oxidant	NA
[1] Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Cayce, SC

Oxygen
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	NA
Oxygen	Oxidant Ozone Reduction	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Gaston, SC

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Oxygen	Oxidant Ozone Reduction	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
UN 1073, OXYGEN, REFRIGERATED LIQUID, 2.2, (5.1)	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Bridgeport , TX

Carbon Dioxide
*Trade Designation*	*Product Function*	*Max Use*
LCO2	pH Adjustment	100mg/L
Liquid Carbon Dioxide	pH Adjustment	100mg/L

Facility : Irving, TX

Oxygen
*Trade Designation*	*Product Function*	*Max Use*
Oxygen[1]	Oxidant	NA
Oxygen Medical Grade	Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : San Antonio, TX

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	N/A
Oxygen	Oxidant Ozone Reduction	N/A
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Stafford, TX

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Liquid Oxygen	Oxidant Ozone Reduction	NA
Oxygen	Oxidant Ozone Reduction	NA
Oxygen Medical Grade	Oxidant Ozone Reduction	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : Waxahachie, TX

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
Oxygen	Oxidant	NA
Oxygen Medical Grade	Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

Facility : West Point, VA

Oxygen[1]
*Trade Designation*	*Product Function*	*Max Use*
OXYGEN (Liquid)	Oxidant	NA
Oxygen Medical Grade	Oxidant	NA
[1] This product is Certified for use in ozone generators.

NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
      documentation shipped with the product are Certified.

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