NSF Product and Service Listings
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NSF/ANSI/CAN 60
Drinking Water Treatment Chemicals - Health Effects
Drinking Water Treatment Chemicals - Health Effects
| The National Colloid Company | |
| 906 Adams Street | |
| Steubenville, OH 43952 | |
| United States | |
| 740-282-1171 | |
| Visit this company's website |
Facility : Steubenville, OH
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Aluminum Chlorohydrate[AL] |
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| Trade Designation | Product Function | Max Use |
| Natco A-1999 | Coagulation & Flocculation | 250mg/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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Aminotrimethylene Phosphonic Acid |
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| Trade Designation | Product Function | Max Use |
| Natco ATMP-10 | Reverse Osmosis Antiscalant | 100mg/L |
| Natco ATMP-25 | Reverse Osmosis Antiscalant | 40mg/L |
| Natco ATMP-50 | Reverse Osmosis Antiscalant | 20mg/L |
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Blended Phosphates |
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| Trade Designation | Product Function | Max Use |
| Natco SP-45 | Corrosion & Scale Control Sequestering |
28mg/L |
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Citric Acid[1] [2] |
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| Trade Designation | Product Function | Max Use |
| Natco CA-50 | Membrane Cleaner | NA |
[1] 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.
[2] 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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Ferric Chloride |
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| Trade Designation | Product Function | Max Use |
| Natco Ferric Chloride | Coagulation & Flocculation | 250mg/L |
| Natco Ferric Chloride Solution | Coagulation & Flocculation | 795mg/L |
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Hydroxyethylidene Diphosphonic Acid |
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| Trade Designation | Product Function | Max Use |
| Natco HEDP-15 | Reverse Osmosis Antiscalant | 80mg/L |
| Natco HEDP-30 | Reverse Osmosis Antiscalant | 40mg/L |
| Natco HEDP-60 | Reverse Osmosis Antiscalant | 20mg/L |
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Miscellaneous Treatment Chemical |
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| Trade Designation | Product Function | Max Use |
| Natco RO-560 | Reverse Osmosis Antiscalant | 7mg/L |
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Miscellaneous Water Supply Products[1] |
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| Trade Designation | Product Function | Max Use |
| STA-CHLOR | Well Cleaning Aid | NA |
| WCA-32 | Well Cleaning Aid | NA |
[1] 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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Phosphoric Acid |
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| Trade Designation | Product Function | Max Use |
| Natphos-36 | Corrosion & Scale Control pH Adjustment |
27mg/L |
| Natphos-75 | Corrosion & Scale Control pH Adjustment |
13mg/L |
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Polyacrylamide[PC] |
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| Trade Designation | Product Function | Max Use |
| Natco WT-422 | Coagulation & Flocculation | 3mg/L |
| Natco WT-524 | Coagulation & Flocculation | 3mg/L |
| Natco WT-539 | Coagulation & Flocculation | 1mg/L |
| Natco WT-739 | Coagulation & Flocculation | 1mg/L |
[PC] Polyacrylamide Products Certified by NSF International comply with 40 CFR 141.111
requirements for percent monomer and dose.
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Polyaluminum Chloride[AL] |
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| Trade Designation | Product Function | Max Use |
| Natco A-1999 | Coagulation & Flocculation | 250mg/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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Sodium Bisulfite[3] |
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| Trade Designation | Product Function | Max Use |
| Natco SB-38 | Antioxidant Dechlorination |
46mg/L |
[3] 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).
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Sodium Hydroxide |
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| Trade Designation | Product Function | Max Use |
| Natco CS-10 | Corrosion & Scale Control pH Adjustment |
500mg/L |
| Natco CS-15 | Corrosion & Scale Control pH Adjustment |
333mg/L |
| Natco CS-20 | Corrosion & Scale Control pH Adjustment |
250mg/L |
| Natco CS-25 | Corrosion & Scale Control pH Adjustment |
200mg/L |
| Natco CS-30 | Corrosion & Scale Control pH Adjustment |
165mg/L |
| Natco CS-40 | Corrosion & Scale Control pH Adjustment |
125mg/L |
| Natco CS-50 | Corrosion & Scale Control pH Adjustment |
100mg/L |
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Sodium Hypochlorite[HY] |
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| Trade Designation | Product Function | Max Use |
| Natchlor | Disinfection & Oxidation | 77mg/L |
[HY] 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. Also,
reference the AWWA B300 (Hypochlorites) standard's Recommendations for the Handling and
Storage of Hypochlorite Solutions appendix for information on preservation techniques
for hypochlorite bleach in transit and storage.
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Sodium Permanganate[4] |
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| Trade Designation | Product Function | Max Use |
| Natsol-10 | Disinfection & Oxidation Oxidant |
352mg/L |
| Natsol-20 | Disinfection & Oxidation Oxidant |
176mg/L |
| Natsol-40 | Disinfection & Oxidation Oxidant |
88mg/L |
[4] The finished drinking water should be monitored to ensure that levels of manganese do
not exceed 0.05 mg/L.
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Sulfuric Acid |
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| Trade Designation | Product Function | Max Use |
| Natco SA-50 | Corrosion & Scale Control pH Adjustment |
93mg/L |
| Natco SA-93 | Corrosion & Scale Control pH Adjustment |
50mg/L |
Number of matching Manufacturers is 1
Number of matching Products is 35
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