NSF Product and Service Listings

These NSF Official Listings are current as of Friday, January 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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US Silica Company / U.S. Silica Holding, Inc 
24275 Katy Freeway Suite 600
Katy, TX 77494 
United States 
800-243-7500 
281-258-2170
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Facility : Berkeley Springs, WV
Trade Designation      

Pigment
EverWhite® Pigment       

[1] Use of this ingredient in NSF Certified products requires prior authorization from NSF.
[2] Only products bearing the NSF Mark are Certified.
[3] Ingredient complies with NSF/ANSI/CAN 61 health effects requirements when tested at 73°
    F in PVC material.

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