NSF Product and Service Listings
These NSF Official Listings are current as of Wednesday, September 30, 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
Drinking Water Treatment Chemicals - Health Effects
| Nalco Company | |
| 1601 West Diehl Road | |
| Naperville, IL 60563-1198 | |
| United States | |
| 630-305-1000 | |
| Visit this company's website |
Facility : #109 USA
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Miscellaneous Treatment Chemical |
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| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #111 USA
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #140 USA
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #150 Canada
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Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
[5] This product contains sulfite. Sulfites have been known to cause potentially lethal
allergic reactions in sulfite-sensitive individuals. The maximum recommended allowable
residual sulfite level in the finished drinking water is 100 ppb (0.1 mg/L).
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #1110 Germany
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Miscellaneous Water Supply Products |
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| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
[1] Certified for addition to the feedwater for evaporative desalination units only.
[2] Certified for use as an off-line membrane cleaner. When used as an off-line membrane
cleaner, this product is designed to be flushed out prior to using the system for
drinking water. Follow manufacturer's use instructions.
[3] This product is designed to be used off-line and flushed out prior to using the system
for drinking water, following manufacturer's use instructions.
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NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #1130 Spain
|
Miscellaneous Treatment Chemical |
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| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
[AL] Based on an evaluation of health effects data, the level of aluminum in the finished
drinking water shall not exceed 2 mg/L.
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NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #1140 United Kingdom
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #2120 Brazil
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
[CL] The residual levels of chlorine (hypochlorite ion and hypochlorous acid), chlorine
dioxide, chlorate ion, chloramine and disinfection by-products shall be monitored in the
finished drinking water to ensure compliance to all applicable regulations.
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NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #2135 Santiago, Chile
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Aminotrimethylene Phosphonic Acid |
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| Trade Designation | Product Function | Max Use |
| PERMATREAT™ PC-191T | Reverse Osmosis Antiscalant | 10mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #2150 Mexico
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
|
Miscellaneous Water Supply Products |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
[1] Certified for use as an off-line membrane cleaner. When used as an off-line membrane
cleaner, this product is designed to be flushed out prior to using the system for
drinking water. Follow manufacturer's use instructions.
[2] This product is designed to be used off-line and flushed out prior to using the system
for drinking water, following manufacturer's use instructions.
[3] The pH of the influent and effluent water should be monitored to ensure that all traces
of the product have been removed before placing into service.
|
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NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #3104 Darra
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #3125 Australia
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #4105 Korea, Republic of
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PERMATREAT® PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #4110 India
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #4111 India
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| Permatreat® PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #4118 Dammam II, Saudi Arabia
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #4120 Indonesia
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : #4150 Taiwan
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : Scott, LA
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : Bogotá D.C., Colombia
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| NALCO® PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : Badr City, Egypt
|
Miscellaneous Treatment Applications |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : Lima, Peru
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| NALCO® PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Facility : Rayong, Thailand
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
| Nalco Company | |
| 1601 West Diehl Road | |
| Naperville, IL 60563 | |
| United States | |
| 630-305-1000 | |
| Visit this company's website |
Facility : #4165 China
|
Miscellaneous Treatment Chemical |
||
| Trade Designation | Product Function | Max Use |
| PermaTreat™ PC-191T | Reverse Osmosis Antiscalant | 15mg/L |
| PermaTreat™ PC-191TS | Reverse Osmosis Antiscalant | 15mg/L |
NOTE: Only products bearing the NSF Mark on the product, product packaging, and/or
documentation shipped with the product are Certified.
Number of matching Manufacturers is 2
Number of matching Products is 28
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