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.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/PwsChemicals/Listings.asp?Company=3L430&Standard=060&


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



 
Tessenderlo Kerley, Inc. 
2910 North 44th Street
Suite 100 
Phoenix, AZ 85018 
United States 
602-889-8300
Visit this company's website

Facility : Eufaula, AL


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination
50mg/L
Calcium Thiosulfate Ozone Reduction
Dechlorination
50mg/L

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Facility : Distribution Center - Hanford, CA


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination
50mg/L

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Facility : Fresno, CA


Calcium Polysulfide[1]
Trade Designation Product Function Max Use
Calmet Other
Precipitation Agent
NA

[1] This product is used to treat heavy metals in wells used as drinking water sources. It
    should be applied according to the manufacturer's dosage chart.

Calcium Thiosulfate[2]
Trade Designation Product Function Max Use
CAPTOR® Dechlorination
Ozone Reduction
50mg/L

[2] This product is to used for the destruction of residual chlorine.  It should be applied
    only to the extent necessary to ensure chlorine removal.  Actual chlorine concentration
    in the water should be used to calculate the necessary dose of calcium thiosulfate.


Facility : Distribution Center - Granite City, IL


Calcium Thiosulfate[1]
Trade Designation Product Function Max Use
CAPTOR® Ozone Reduction
Dechlorination
50mg/L
Calcium Thiosulfate Ozone Reduction
Dechlorination
50mg/L

[1] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary does of calcium
    thiosulfate.


Facility : Distribution Center - Muskegon, MI


Calcium Thiosulfate
Trade Designation Product Function Max Use
Captor Dechlorination
Ozone Reduction
50mg/L

[1] This product is to be used for the destruction of residual chlorine. It should be
    applied only to the extent necessary to ensure chlorine removal. Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.

Facility : Kennewick, WA


Calcium Polysulfide[1]
Trade Designation Product Function Max Use
Calmet Other
Precipitation Agent
NA

[1] This product is to be used to treat heavy metals in wells used as drinking water
    sources. Product should be applied according to the manufacturer's dosage chart.

Calcium Thiosulfate[2]
Trade Designation Product Function Max Use
CAPTOR® Dechlorination
Ozone Reduction
50mg/L
Calcium Thiosulfate Dechlorination
Ozone Reduction
50mg/L

[2] This product is to be used for the destruction of residual chlorine.  It should be
    applied only to the extent necessary to ensure chlorine removal.  Actual chlorine
    concentration in the water should be used to calculate the necessary dose of calcium
    thiosulfate.


Number of matching Manufacturers is 1
Number of matching Products is 11
Processing time was 0 seconds